Editing Nopal (section)

== Nutrition ==
Per US [[cup (unit)|cup]] serving (236.6 ml), ''nopal'' fruit is an excellent source of the [[dietary mineral]] [[manganese]] (20% of the [[Daily Value]], DV) and a good source of [[vitamin C]] (13% DV), [[magnesium]] (11% DV) and [[calcium]] (14% DV),<ref>{{cite web| url=http://nutritiondata.self.com/facts/vegetables-and-vegetable-products/3029/2| author = Nutritiondata.com| title= Nopales, Raw, Nutrition Facts, USDA SR-21| publisher = Conde Nast}}</ref> with nutrient content improving as the plant matures.<ref>{{Cite journal | pmid = 21655119| year = 2011| last1 = Hernández-Urbiola| first1 = M. I.| title = Chemical analysis of nutritional content of prickly pads (Opuntia ficus indica) at varied ages in an organic harvest| journal = International Journal of Environmental Research and Public Health| volume = 8| issue = 5| pages = 1287–95| last2 = Pérez-Torrero| first2 = E| last3 = Rodríguez-García| first3 = M. E.| doi = 10.3390/ijerph8051287| pmc = 3108109| doi-access = free}}</ref>  However, its calcium may not be biologically available because it is present as [[calcium oxalate]], a non-absorbable complex in the small intestine.<ref>{{cite journal| last =  Mcconn| first = Michele |author2=Nakata, Paul |date=February 2004| title = Oxalate Reduces Calcium Availability in the Pads of the Prickly Pear Cactus Through Formation of Calcium Oxalate Crystals| journal = Journal of Agricultural and Food Chemistry | volume = 52| issue = 5| pages = 1371–1374| url = http://www.ars.usda.gov/research/publications/publications.htm?SEQ_NO_115=161211| access-date = 2006-08-10| doi = 10.1021/jf035332c| pmid =  14995148| bibcode = 2004JAFC...52.1371M | url-access = subscription}}</ref>