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[[File:Heart of palm.jpg|thumb|Fresh heart of palm]]
[[File:Heart of palm.jpg|thumb|Fresh heart of palm]]
[[File:9850Foods Fruits Baliuag Bulacan Philippines 18.jpg|thumb|Julienned ubod (coconut heart) from the [[Philippines]]]]
[[File:9850Foods Fruits Baliuag Bulacan Philippines 18.jpg|thumb|Julienned ubod (coconut heart) from the [[Philippines]]]]
'''Heart of palm''' is a [[vegetable]] harvested from the inner core and growing [[bud]] of certain [[palm tree]]s, most notably the [[coconut]] (''Cocos nucifera''), juçara (''[[Euterpe edulis]]''), [[açaí palm]] (''Euterpe oleracea''), [[sabal|palmetto]] (''Sabal'' spp.), and [[Bactris gasipaes|peach palm]]. Harvesting of many uncultivated or wild single-stemmed palms results in palm tree death (e.g. ''Geonoma edulis'').<ref>Sylvester, O.; Avalos, G. (2009). Illegal palm heart (''Geonoma edulis'') harvest in Costa Rican national parks: patterns of consumption and extraction. ''Economic Botany''. 63(2): 179-189.</ref> However, other palm species are clonal or multi-stemmed plants (e.g. ''Prestoea acuminata'', ''Euterpe oleracea''), and moderate harvesting will not kill the entire clonal palm. Heart of palm may be eaten on its own, and often it is eaten in a [[salad]].
'''Heart of palm''' is a [[vegetable]] harvested from the inner core and growing [[bud]] of certain [[palm tree]]s, most notably the [[coconut]] (''Cocos nucifera''), juçara (''[[Euterpe edulis]]''), [[açaí palm]] (''Euterpe oleracea''), [[sabal|palmetto]] (''Sabal'' spp.), and [[Bactris gasipaes|peach palm]]. Harvesting of many uncultivated or wild single-stemmed palms (e.g. ''Geonoma edulis'') results in palm tree death.<ref>Sylvester, O.; Avalos, G. (2009). Illegal palm heart (''[[Geonoma edulis]]'') harvest in Costa Rican national parks: patterns of consumption and extraction. ''Economic Botany''. 63(2): 179-189.</ref> However, other palm species are clonal or multi-stemmed plants (e.g. ''[[Prestoea acuminata]]'', ''[[Euterpe oleracea]]''), and moderate harvesting will not kill the entire clonal palm. Heart of palm may be eaten on its own, and often it is eaten in a [[salad]].


There are palm varieties that have become domesticated farm species as an alternative to sourcing from wild palms. The main variety that has been domesticated is ''[[Bactris gasipaes]]'', known in English as [[peach palm]].<ref name="zeldes">{{Cite web | last = Zeldes | first = Leah A. | author-link = Leah A. Zeldes | title = Eat this! Heart of palm, an exotic taste of the tropics | work = Dining Chicago | publisher = Chicago's Restaurant & Entertainment Guide, Inc. | date = 2010-11-17 | url = http://www.diningchicago.com/blog/2010/11/17/eat-this-heart-of-palm-an-exotic-taste-of-the-tropics/ | access-date = 2011-05-18 }}</ref> This variety is the most widely used for canning. Peach palms are self-[[Sucker (botany)|suckering]] and produce multiple [[Plant stem|stems]],<ref name="KaheleHeartsHanaHou">{{cite web |url= http://www.hanahou.com/pages/Magazine.asp?Action=DrawArticle&ArticleID=591&MagazineID=38 |title= Big Island Hearts |author= Rose Kahele |work= [[Hana Hou!]] Vol. 10, No. 4 |date= August–September 2007 }}</ref> with up to 40 on one plant. This lets producers lower costs by harvesting several stems from a plant while avoiding the death of the palm. Another advantage is that the peach palm has been selectively bred to eliminate the thorns of its wild cousins. Since harvesting is still labor-intensive, palm hearts are regarded as a delicacy.
There are palm varieties that have become domesticated farm species as an alternative to sourcing from wild palms. The main variety that has been domesticated is ''[[Bactris gasipaes]]'', known in English as [[peach palm]].<ref name="zeldes">{{Cite web | last = Zeldes | first = Leah A. | author-link = Leah A. Zeldes | title = Eat this! Heart of palm, an exotic taste of the tropics | work = Dining Chicago | publisher = Chicago's Restaurant & Entertainment Guide, Inc. | date = 2010-11-17 | url = http://www.diningchicago.com/blog/2010/11/17/eat-this-heart-of-palm-an-exotic-taste-of-the-tropics/ | access-date = 2011-05-18 | archive-date = 2018-07-18 | archive-url = https://web.archive.org/web/20180718234658/http://www.diningchicago.com/blog/2010/11/17/eat-this-heart-of-palm-an-exotic-taste-of-the-tropics/ | url-status = dead }}</ref> This variety is the most widely used for canning. Peach palms are self-[[Sucker (botany)|suckering]] and produce multiple [[Plant stem|stems]],<ref name="KaheleHeartsHanaHou">{{cite web |url= http://www.hanahou.com/pages/Magazine.asp?Action=DrawArticle&ArticleID=591&MagazineID=38 |title= Big Island Hearts |author= Rose Kahele |work= [[Hana Hou!]] Vol. 10, No. 4 |date= August–September 2007 }}</ref> with up to 40 on one plant. This lets producers lower costs by harvesting several stems from a plant while avoiding the death of the palm. Another advantage is that the peach palm has been selectively bred to eliminate the thorns of its wild cousins. Since harvesting is still labor-intensive, palm hearts are regarded as a delicacy.


==Names==
==Names==
Major local names for heart of palm include '''palm cabbage''' or '''palmetto''' in [[Florida]] and [[Trinidad]]; '''palmito''' in South and Central America; '''ubod''' in the [[Philippines]]; '''củ hủ dừa''' in [[Vietnam]]; '''cœur de palmier''' in French; '''corazón de palma''' or '''col de palma''' in Spanish; '''coração de palma''' or '''palmito''' in Portuguese; and '''cuore di palma''' in Italian.
Major local names for heart of palm include '''palm cabbage''' or '''palmetto''' in [[Florida]] and [[Trinidad]]; '''palmito''' in South and Central America; '''ubod''' in the [[Philippines]]; '''củ hủ dừa''' in [[Vietnam]]; '''cœur de palmier''' in French; '''corazón de palma''' or '''col de palma''' in Spanish; '''coração de palma''' or '''palmito''' in Portuguese; and '''cuore di palma''' in Italian.
Swamp cabbage in Florida


== Nutrition ==
== Nutrition ==
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| vitC_mg=1.9
| vitC_mg=1.9
| vitA_ug=23.4
| vitA_ug=23.4
| note=[https://ndb.nal.usda.gov/ndb/foods/show/50526?manu=&fgcd=&ds= Link to USDA Database entry]{{dead link|date=October 2022|bot=medic}}{{cbignore|bot=medic}}
| note=[https://plants.usda.gov/home/plantProfile?symbol=BAGA2 Link to USDA Database entry]
| source_usda=1
| source_usda=1
}}
}}
Hearts of palm are rich in fiber, potassium, iron, zinc, phosphorus, copper, vitamins [[Vitamin B2|B2]], [[Vitamin B6|B6]], and [[Vitamin C|C]].<ref name=":0" /> They are ranked as a "good" source of [[protein]], [[riboflavin]], and [[Potassium#Nutrition|potassium]], and as a "very good source" of [[dietary fiber]], vitamin C, [[folate]], [[Calcium#Nutrition|calcium]], [[Iron#Nutrition|iron]], [[Magnesium#Nutrition|magnesium]], [[Phosphorus#Nutrition|phosphorus]], [[Zinc#Nutrition|zinc]], [[Copper#Nutrition|copper]], and especially, [[Manganese#Nutrition|manganese]],<ref>{{cite web |title=Hearts of palm, canned |url=https://nutritiondata.self.com/facts/vegetables-and-vegetable-products/3027/2 |website=Self NutritionData |access-date=27 August 2019}}</ref> along with being a good ratio between [[Omega-6 fatty acid|omega-3]] and [[omega-6 fatty acid|omega-6]] [[fatty acid]]s. The high [[Sodium#Nutrition|sodium]] content noted on the chart for hearts of palm relates to the canned product; it is not present in the fresh product.
Hearts of palm are rich in fiber, potassium, iron, zinc, phosphorus, copper, vitamins [[Vitamin B2|B2]], [[Vitamin B6|B6]], and [[Vitamin C|C]].<ref name=":0" /> They are ranked as a "good" source of [[protein]], [[riboflavin]], and [[Potassium#Nutrition|potassium]], and as a "very good source" of [[dietary fiber]], vitamin C, [[folate]], [[Calcium#Nutrition|calcium]], [[Iron#Nutrition|iron]], [[Magnesium#Nutrition|magnesium]], [[Phosphorus#Nutrition|phosphorus]], [[Zinc#Nutrition|zinc]], [[Copper#Nutrition|copper]], and especially, [[Manganese#Nutrition|manganese]],<ref>{{cite web |title=Hearts of palm, canned |url=https://nutritiondata.self.com/facts/vegetables-and-vegetable-products/3027/2 |website=Self NutritionData |access-date=27 August 2019 |archive-date=28 December 2019 |archive-url=https://web.archive.org/web/20191228035639/https://nutritiondata.self.com/facts/vegetables-and-vegetable-products/3027/2 |url-status=dead }}</ref> along with being a good ratio between [[Omega-6 fatty acid|omega-3]] and [[omega-6 fatty acid|omega-6]] [[fatty acid]]s. The high [[Sodium#Nutrition|sodium]] content noted on the chart for hearts of palm relates to the canned product; it is not present in the fresh product.


== Cultivation ==
== Cultivation ==
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[[File:Ubod kan niyog.jpg|thumb|left|Ubod (coconut heart) sold in the [[Philippines]]]]
[[File:Ubod kan niyog.jpg|thumb|left|Ubod (coconut heart) sold in the [[Philippines]]]]
In Southeast Asia, the dominant source of hearts of palm are coconuts (''[[Cocos nucifera]]''). Other palms species used include rattans (''[[Calamus (palm)|Calamus]]'' spp. and ''[[Daemonorops]]'' spp.), fishtail palms (''[[Caryota]]'' spp.), areca palm (''[[Areca catechu]]''), ''[[Linospadix]]'' spp., ''[[Arenga]]'' spp., sago palms (''[[Metroxylon sagu]]''), and buri palms (''[[Corypha]]'' spp.), among others.<ref name="Tabora">{{cite book |last1=Tabora |first1=P.C. Jr. |last2=Balick |first2=M.J. |last3=Bovi |first3=M.L.A. |last4=Guerra |first4=M.P. |last5=Williams |first5=J.T. |title=Underutilized Crops: Pulses and Vegetables |date=1993 |publisher=Chapman & Hall |location=London |isbn=0412466104 |pages=193–218 |chapter=Hearts of palm (''Bactris'', ''Euterpe'' and others) |url=https://www.nybg.org/files/scientists/mbalick/Hearts%20of%20Palm%20(Bactris,%20Euterpe%20and%20others).pdf}}</ref>
In Southeast Asia, the dominant source of hearts of palm are coconuts (''[[Cocos nucifera]]''). Other palms species used include rattans (''[[Calamus (palm)|Calamus]]'' spp.), fishtail palms (''[[Caryota]]'' spp.), areca palm (''[[Areca catechu]]''), ''[[Linospadix]]'' spp., ''[[Arenga]]'' spp., sago palms (''[[Metroxylon sagu]]''), and buri palms (''[[Corypha]]'' spp.), among others.<ref name="Tabora">{{cite book |last1=Tabora |first1=P.C. Jr. |last2=Balick |first2=M.J. |last3=Bovi |first3=M.L.A. |last4=Guerra |first4=M.P. |last5=Williams |first5=J.T. |title=Underutilized Crops: Pulses and Vegetables |date=1993 |publisher=Chapman & Hall |location=London |isbn=0412466104 |pages=193–218 |chapter=Hearts of palm (''Bactris'', ''Euterpe'' and others) |url=https://www.nybg.org/files/scientists/mbalick/Hearts%20of%20Palm%20(Bactris,%20Euterpe%20and%20others).pdf}}</ref>


[[File:Palmito.JPG|thumb|Heart of palm being prepared in [[Brazil]] for sale]]
[[File:Palmito.JPG|thumb|Heart of palm being prepared in [[Brazil]] for sale]]
In Central and South America, the dominant species used are juçara palms (''[[Euterpe edulis]]''), açaí palms (''[[Euterpe oleracea]]''), and pejibaye palms (''[[Bactris]]'' spp.). Other species used include sabal palmettos (''[[Sabal]]'' spp.), grugru palms (''[[Acrocomia aculeata]]''), royal palms (''[[Roystonea]]'' spp.), ''[[Astrocaryum]]'' spp., maripa palms (''[[Attalea maripa]]''), urucuri palms (''[[Attalea phalerata]]''), cohune palms (''[[Attalea cohune]]''), hesper palms (''[[Brahea]]'' spp.), and ''[[Syagrus (plant)|Syagrus]]'' spp., among others.<ref name="Tabora"/> In South America, ''[[Euterpe precatoria]]'' (in Peru and Bolivia), ''[[Euterpe edulis]]'' (in Brazil), and ''[[Prestoea acuminata]]'' (in Ecuador) were formerly harvested commercially on a large scale, but currently not any longer due to overharvesting.<ref>{{Cite journal |last=Galetti |first=Mauro |last2=Fernandez |first2=JosÉ Carlos |date=April 1998 |title=Palm heart harvesting in the Brazilian Atlantic forest: changes in industry structure and the illegal trade |url=https://onlinelibrary.wiley.com/doi/abs/10.1046/j.1365-2664.1998.00295.x |journal=Journal of Applied Ecology |language=en |volume=35 |issue=2 |pages=294–301 |doi=10.1046/j.1365-2664.1998.00295.x |issn=0021-8901}}</ref> A 2000 case study in the journal ''[[Biotropica]]'' proposed that ''Euterpe edulis'' could be sustainably grown and harvested.<ref>{{Cite journal |last=Reis |first=Mauricio Sedrez dos |last2=Fantini |first2=Alfredo Celso |last3=Nodari |first3=Rubens Onofre |last4=Reis |first4=Ademir |last5=Guerra |first5=Miguel Pedro |last6=Mantovani |first6=Adelar |date=2000 |title=Management and Conservation of Natural Populations in Atlantic Rain Forest: The Case Study of Palm Heart (Euterpe edulis Martius) |url=https://www.jstor.org/stable/2663926 |journal=Biotropica |volume=32 |issue=4b |pages=894–902 |issn=0006-3606}}</ref> Today, commercially available palmito in South America is typically derived from wild ''[[Euterpe oleracea]]'' and cultivated ''[[Bactris gasipaes]]''.<ref name="Brokamp-2015">{{cite book |last=Brokamp |first=Grischa |date=2015 |title=Relevance and Sustainability of Wild Plant Collection in NW South America: Insights from the Plant Families Arecaceae and Krameriaceae |url=https://www.springer.com/gp/book/9783658086954 |location=Wiesbaden |publisher=Springer Spektrum |doi=10.1007/978-3-658-08696-1 |isbn=978-3-658-08695-4}}</ref>
In Central and South America, the dominant species used are juçara palms (''[[Euterpe edulis]]''), açaí palms (''[[Euterpe oleracea]]''), and pejibaye palms (''[[Bactris]]'' spp.). Other species used include sabal palmettos (''[[Sabal]]'' spp.), grugru palms (''[[Acrocomia aculeata]]''), royal palms (''[[Roystonea]]'' spp.), ''[[Astrocaryum]]'' spp., maripa palms (''[[Attalea maripa]]''), urucuri palms (''[[Attalea phalerata]]''), cohune palms (''[[Attalea cohune]]''), hesper palms (''[[Brahea]]'' spp.), and ''[[Syagrus (plant)|Syagrus]]'' spp., among others.<ref name="Tabora"/> In South America, ''[[Euterpe precatoria]]'' (in Peru and Bolivia), ''[[Euterpe edulis]]'' (in Brazil), and ''[[Prestoea acuminata]]'' (in Ecuador) were formerly harvested commercially on a large scale, but currently not any longer due to overharvesting.<ref>{{Cite journal |last=Galetti |first=Mauro |last2=Fernandez |first2=JosÉ Carlos |date=April 1998 |title=Palm heart harvesting in the Brazilian Atlantic forest: changes in industry structure and the illegal trade |url=https://onlinelibrary.wiley.com/doi/abs/10.1046/j.1365-2664.1998.00295.x |journal=Journal of Applied Ecology |language=en |volume=35 |issue=2 |pages=294–301 |doi=10.1046/j.1365-2664.1998.00295.x |issn=0021-8901|hdl=11449/33053 |hdl-access=free }}</ref> A 2000 case study in the journal ''[[Biotropica]]'' proposed that ''Euterpe edulis'' could be sustainably grown and harvested.<ref>{{Cite journal |last=Reis |first=Mauricio Sedrez dos |last2=Fantini |first2=Alfredo Celso |last3=Nodari |first3=Rubens Onofre |last4=Reis |first4=Ademir |last5=Guerra |first5=Miguel Pedro |last6=Mantovani |first6=Adelar |date=2000 |title=Management and Conservation of Natural Populations in Atlantic Rain Forest: The Case Study of Palm Heart (Euterpe edulis Martius) |url=https://www.jstor.org/stable/2663926 |journal=Biotropica |volume=32 |issue=4b |pages=894–902 |issn=0006-3606}}</ref> Today, commercially available palmito in South America is typically derived from wild ''[[Euterpe oleracea]]'' and cultivated ''[[Bactris gasipaes]]''.<ref name="Brokamp-2015">{{cite book |last=Brokamp |first=Grischa |date=2015 |title=Relevance and Sustainability of Wild Plant Collection in NW South America: Insights from the Plant Families Arecaceae and Krameriaceae |url=https://www.springer.com/gp/book/9783658086954 |location=Wiesbaden |publisher=Springer Spektrum |doi=10.1007/978-3-658-08696-1 |isbn=978-3-658-08695-4}}</ref>


Cultivation has also spread to [[South Asia]], [[Africa]], and other parts of the world, utilizing native palms like ''[[Ravenea madagascariensis]]'', ''[[Phoenix canariensis]]'', ''[[Lodoicea maldivica]]'', and ''[[Borassus aethiopum]]'', among others.<ref name="Tabora"/> Based on a 1987 article, peach palms were previously shown to have stretched out from Bolivia to Honduras as well as the Amazon River into Central America, however recent studies into their conservation have estimated that their geographical distribution actually extends into the Caribbean and other continents.<ref>{{Cite journal |last=Clement |first=Charles R. |last2=UrpÍ |first2=Jorge E. Mora |date=April 1987 |title=Pejibaye palm (Bactris gasipaes, Arecaceae): Multi-use potential for the lowland humid tropics |url=http://dx.doi.org/10.1007/bf02858977 |journal=Economic Botany |volume=41 |issue=2 |pages=302–311 |doi=10.1007/bf02858977 |issn=0013-0001}}</ref>
Cultivation has also spread to [[South Asia]], [[Africa]], and other parts of the world, utilizing native palms like ''[[Ravenea madagascariensis]]'', ''[[Phoenix canariensis]]'', ''[[Lodoicea maldivica]]'', and ''[[Borassus aethiopum]]'', among others.<ref name="Tabora"/> Based on a 1987 article, peach palms were previously shown to have stretched out from Bolivia to Honduras as well as the Amazon River into Central America, however recent studies into their conservation have estimated that their geographical distribution actually extends into the Caribbean and other continents.<ref>{{Cite journal |last=Clement |first=Charles R. |last2=UrpÍ |first2=Jorge E. Mora |date=April 1987 |title=Pejibaye palm (Bactris gasipaes, Arecaceae): Multi-use potential for the lowland humid tropics |url=http://dx.doi.org/10.1007/bf02858977 |journal=Economic Botany |volume=41 |issue=2 |pages=302–311 |doi=10.1007/bf02858977 |issn=0013-0001}}</ref>
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== Harvesting ==
== Harvesting ==
[[File:پنیر نخل در آب‌پخش.jpg|thumb|Heart of [[date palm]] in [[Ab Pakhsh]] ([[Bushehr province]], [[Iran]])]]
When harvesting the cultivated young palm, the tree is cut down, and the bark is removed, leaving layers of white fibers around the center core. During processing, the fibers are removed, leaving the center core or heart of palm. The center core is attached to a slightly more fibrous cylindrical base with a larger diameter. The entire cylindrical center core and the attached base are edible. The center core is considered more of a delicacy because of its lower fiber content. ''Arecaceae'' was brought up in a 2003 article with regard to its long-winded harvesting process. It is mentioned that this palm reaches full maturation within 8–10 years and that the complete removal of the heart requires the ruination of the entire plant.<ref>{{Cite journal |last=Gaiotto |first=F. A. |date=2003-09-01 |title=Genetic Structure, Mating System, and Long-Distance Gene Flow in Heart of Palm (Euterpe edulis Mart.) |url=https://academic.oup.com/jhered/article-lookup/doi/10.1093/jhered/esg087 |journal=Journal of Heredity |language=en |volume=94 |issue=5 |pages=399–406 |doi=10.1093/jhered/esg087 |issn=0022-1503 |eissn=1465-7333}}</ref> While there are concerns about the negative impacts of harvesting palm hearts, further conservation efforts could be explored using the research on the outcome of adaptations to moisture within the grown environment on the life span of heart of palm seeds.<ref>{{Cite journal |last=De Almeida |first=T.M.H. |last2=Andrade |first2=A.C.S. |last3=Lopes |first3=H.M. |date=2009-07-01 |title=Brazilian cacti seed germination under different temperature and substrate conditions |url=http://dx.doi.org/10.15258/sst.2009.37.2.21 |journal=Seed Science and Technology |volume=37 |issue=2 |pages=474–479 |doi=10.15258/sst.2009.37.2.21 |issn=0251-0952}}</ref>
When harvesting the cultivated young palm, the tree is cut down, and the bark is removed, leaving layers of white fibers around the center core. During processing, the fibers are removed, leaving the center core or heart of palm. The center core is attached to a slightly more fibrous cylindrical base with a larger diameter. The entire cylindrical center core and the attached base are edible. The center core is considered more of a delicacy because of its lower fiber content.{{citation needed|date=January 2024}} ''Arecaceae'' was brought up in a 2003 article with regard to its long-winded harvesting process. It is mentioned that this palm reaches full maturation within 8–10 years and that the complete removal of the heart requires the ruination of the entire plant.<ref>{{Cite journal |last=Gaiotto |first=F. A. |date=2003-09-01 |title=Genetic Structure, Mating System, and Long-Distance Gene Flow in Heart of Palm (Euterpe edulis Mart.) |url=https://academic.oup.com/jhered/article-lookup/doi/10.1093/jhered/esg087 |journal=Journal of Heredity |language=en |volume=94 |issue=5 |pages=399–406 |doi=10.1093/jhered/esg087 |issn=0022-1503 |eissn=1465-7333|doi-access=free }}</ref> While there are concerns about the negative impacts of harvesting palm hearts, further conservation efforts could be explored using the research on the outcome of adaptations to moisture within the grown environment on the life span of heart of palm seeds.<ref>{{Cite journal |last=De Almeida |first=T.M.H. |last2=Andrade |first2=A.C.S. |last3=Lopes |first3=H.M. |date=2009-07-01 |title=Brazilian cacti seed germination under different temperature and substrate conditions |url=http://dx.doi.org/10.15258/sst.2009.37.2.21 |journal=Seed Science and Technology |volume=37 |issue=2 |pages=474–479 |doi=10.15258/sst.2009.37.2.21 |issn=0251-0952}}</ref>


== See also ==
== See also ==
*[[Swamp cabbage]]
* [[Banana pith]]
* [[Banana pith]]
*[[Palmyra sprout]]
*[[Palmyra sprout]]

Latest revision as of 20:25, 30 June 2024

Fresh heart of palm
Julienned ubod (coconut heart) from the Philippines

Heart of palm is a vegetable harvested from the inner core and growing bud of certain palm trees, most notably the coconut (Cocos nucifera), juçara (Euterpe edulis), açaí palm (Euterpe oleracea), palmetto (Sabal spp.), and peach palm. Harvesting of many uncultivated or wild single-stemmed palms (e.g. Geonoma edulis) results in palm tree death.[1] However, other palm species are clonal or multi-stemmed plants (e.g. Prestoea acuminata, Euterpe oleracea), and moderate harvesting will not kill the entire clonal palm. Heart of palm may be eaten on its own, and often it is eaten in a salad.

There are palm varieties that have become domesticated farm species as an alternative to sourcing from wild palms. The main variety that has been domesticated is Bactris gasipaes, known in English as peach palm.[2] This variety is the most widely used for canning. Peach palms are self-suckering and produce multiple stems,[3] with up to 40 on one plant. This lets producers lower costs by harvesting several stems from a plant while avoiding the death of the palm. Another advantage is that the peach palm has been selectively bred to eliminate the thorns of its wild cousins. Since harvesting is still labor-intensive, palm hearts are regarded as a delicacy.

Names

[edit]

Major local names for heart of palm include palm cabbage or palmetto in Florida and Trinidad; palmito in South and Central America; ubod in the Philippines; củ hủ dừa in Vietnam; cœur de palmier in French; corazón de palma or col de palma in Spanish; coração de palma or palmito in Portuguese; and cuore di palma in Italian. Swamp cabbage in Florida

Nutrition

[edit]
Heart of Palm
Nutritional value per 100 g (3.5 oz)
Energy79.5 kJ (19.0 kcal)
3.1 g
Sugars0.0 g
Dietary fiber1.6 g
0.39 g
1.55 g
Vitamins and minerals
VitaminsQuantity
%DV†
Vitamin A equiv.
3%
23.4 μg
Vitamin C
2%
1.9 mg
MineralsQuantity
%DV†
Calcium
4%
47 mg
Iron
12%
2.09 mg
Sodium
15%
349 mg
Link to USDA Database entry
†Percentages estimated using US recommendations for adults,[4] except for potassium, which is estimated based on expert recommendation from the National Academies.[5]

Hearts of palm are rich in fiber, potassium, iron, zinc, phosphorus, copper, vitamins B2, B6, and C.[6] They are ranked as a "good" source of protein, riboflavin, and potassium, and as a "very good source" of dietary fiber, vitamin C, folate, calcium, iron, magnesium, phosphorus, zinc, copper, and especially, manganese,[7] along with being a good ratio between omega-3 and omega-6 fatty acids. The high sodium content noted on the chart for hearts of palm relates to the canned product; it is not present in the fresh product.

Cultivation

[edit]

Harvesting and eating heart of palm is traditional in the cultures of Southeast Asia and South and Central America, pre-dating the colonial era. The species used depend on the region.[8]

Ubod (coconut heart) sold in the Philippines

In Southeast Asia, the dominant source of hearts of palm are coconuts (Cocos nucifera). Other palms species used include rattans (Calamus spp.), fishtail palms (Caryota spp.), areca palm (Areca catechu), Linospadix spp., Arenga spp., sago palms (Metroxylon sagu), and buri palms (Corypha spp.), among others.[8]

Heart of palm being prepared in Brazil for sale

In Central and South America, the dominant species used are juçara palms (Euterpe edulis), açaí palms (Euterpe oleracea), and pejibaye palms (Bactris spp.). Other species used include sabal palmettos (Sabal spp.), grugru palms (Acrocomia aculeata), royal palms (Roystonea spp.), Astrocaryum spp., maripa palms (Attalea maripa), urucuri palms (Attalea phalerata), cohune palms (Attalea cohune), hesper palms (Brahea spp.), and Syagrus spp., among others.[8] In South America, Euterpe precatoria (in Peru and Bolivia), Euterpe edulis (in Brazil), and Prestoea acuminata (in Ecuador) were formerly harvested commercially on a large scale, but currently not any longer due to overharvesting.[9] A 2000 case study in the journal Biotropica proposed that Euterpe edulis could be sustainably grown and harvested.[10] Today, commercially available palmito in South America is typically derived from wild Euterpe oleracea and cultivated Bactris gasipaes.[11]

Cultivation has also spread to South Asia, Africa, and other parts of the world, utilizing native palms like Ravenea madagascariensis, Phoenix canariensis, Lodoicea maldivica, and Borassus aethiopum, among others.[8] Based on a 1987 article, peach palms were previously shown to have stretched out from Bolivia to Honduras as well as the Amazon River into Central America, however recent studies into their conservation have estimated that their geographical distribution actually extends into the Caribbean and other continents.[12]

As of 2008, Costa Rica was the primary source of fresh palm hearts in the U.S.[6] Peach palms are also cultivated in Hawaii,[3] and now have limited distribution on the mainland, primarily to the restaurant trade. Florida's wild Sabal palmetto or cabbage palm was once a source of hearts of palm but is now protected by conservation law.[2]

Harvesting

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Heart of date palm in Ab Pakhsh (Bushehr province, Iran)

When harvesting the cultivated young palm, the tree is cut down, and the bark is removed, leaving layers of white fibers around the center core. During processing, the fibers are removed, leaving the center core or heart of palm. The center core is attached to a slightly more fibrous cylindrical base with a larger diameter. The entire cylindrical center core and the attached base are edible. The center core is considered more of a delicacy because of its lower fiber content.[citation needed] Arecaceae was brought up in a 2003 article with regard to its long-winded harvesting process. It is mentioned that this palm reaches full maturation within 8–10 years and that the complete removal of the heart requires the ruination of the entire plant.[13] While there are concerns about the negative impacts of harvesting palm hearts, further conservation efforts could be explored using the research on the outcome of adaptations to moisture within the grown environment on the life span of heart of palm seeds.[14]

See also

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References

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Wikimedia Commons has media related to heart of palm.
  1. ^ Sylvester, O.; Avalos, G. (2009). Illegal palm heart (Geonoma edulis) harvest in Costa Rican national parks: patterns of consumption and extraction. Economic Botany. 63(2): 179-189.
  2. ^ a b Zeldes, Leah A. (2010-11-17). "Eat this! Heart of palm, an exotic taste of the tropics". Dining Chicago. Chicago's Restaurant & Entertainment Guide, Inc. Archived from the original on 2018-07-18. Retrieved 2011-05-18.
  3. ^ a b Rose Kahele (August–September 2007). "Big Island Hearts". Hana Hou! Vol. 10, No. 4.
  4. ^ United States Food and Drug Administration (2024). "Daily Value on the Nutrition and Supplement Facts Labels". FDA. Archived from the original on 2024-03-27. Retrieved 2024-03-28.
  5. ^ National Academies of Sciences, Engineering, and Medicine; Health and Medicine Division; Food and Nutrition Board; Committee to Review the Dietary Reference Intakes for Sodium and Potassium (2019). Oria, Maria; Harrison, Meghan; Stallings, Virginia A. (eds.). Dietary Reference Intakes for Sodium and Potassium. The National Academies Collection: Reports funded by National Institutes of Health. Washington, DC: National Academies Press (US). ISBN 978-0-309-48834-1. PMID 30844154. Archived from the original on 2024-05-09. Retrieved 2024-06-21.
  6. ^ a b "Hearts of Palm: Nutrition . Selection . Storage". Fruits & Veggies More Matters. Retrieved 2019-03-21.
  7. ^ "Hearts of palm, canned". Self NutritionData. Archived from the original on 28 December 2019. Retrieved 27 August 2019.
  8. ^ a b c d Tabora, P.C. Jr.; Balick, M.J.; Bovi, M.L.A.; Guerra, M.P.; Williams, J.T. (1993). "Hearts of palm (Bactris, Euterpe and others)". Underutilized Crops: Pulses and Vegetables (PDF). London: Chapman & Hall. pp. 193–218. ISBN 0412466104.
  9. ^ Galetti, Mauro; Fernandez, JosÉ Carlos (April 1998). "Palm heart harvesting in the Brazilian Atlantic forest: changes in industry structure and the illegal trade". Journal of Applied Ecology. 35 (2): 294–301. doi:10.1046/j.1365-2664.1998.00295.x. hdl:11449/33053. ISSN 0021-8901.
  10. ^ Reis, Mauricio Sedrez dos; Fantini, Alfredo Celso; Nodari, Rubens Onofre; Reis, Ademir; Guerra, Miguel Pedro; Mantovani, Adelar (2000). "Management and Conservation of Natural Populations in Atlantic Rain Forest: The Case Study of Palm Heart (Euterpe edulis Martius)". Biotropica. 32 (4b): 894–902. ISSN 0006-3606.
  11. ^ Brokamp, Grischa (2015). Relevance and Sustainability of Wild Plant Collection in NW South America: Insights from the Plant Families Arecaceae and Krameriaceae. Wiesbaden: Springer Spektrum. doi:10.1007/978-3-658-08696-1. ISBN 978-3-658-08695-4.
  12. ^ Clement, Charles R.; UrpÍ, Jorge E. Mora (April 1987). "Pejibaye palm (Bactris gasipaes, Arecaceae): Multi-use potential for the lowland humid tropics". Economic Botany. 41 (2): 302–311. doi:10.1007/bf02858977. ISSN 0013-0001.
  13. ^ Gaiotto, F. A. (2003-09-01). "Genetic Structure, Mating System, and Long-Distance Gene Flow in Heart of Palm (Euterpe edulis Mart.)". Journal of Heredity. 94 (5): 399–406. doi:10.1093/jhered/esg087. eISSN 1465-7333. ISSN 0022-1503.
  14. ^ De Almeida, T.M.H.; Andrade, A.C.S.; Lopes, H.M. (2009-07-01). "Brazilian cacti seed germination under different temperature and substrate conditions". Seed Science and Technology. 37 (2): 474–479. doi:10.15258/sst.2009.37.2.21. ISSN 0251-0952.
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