Knowledge Tree
vitamin C
Also known as: vitamina C
Facts (40)
Sources
Nutritional potential of underutilized edible plant species in coffee ... link.springer.com Apr 23, 2021 10 facts
claimThe vitamin C content values obtained in the study agree with those reported for sub-Saharan Africa and India by Stadlmayr et al. (2013).
measurementCooking reduces vitamin C content in Amaranthus species by 65%, in dried Vernonia amygdalina by 61%, and in dried Adansonia digitata by almost 100%, according to Yadav and Sehgal (1995) and FAO (1990).
measurementSyzygium guineense contains 330.72 mg of Vitamin C per 100 g of edible parts, and Rubus apetalus contains 294.19 mg of Vitamin C per 100 g of edible parts.
measurementSyzygium guineense fruits contain 330.72 mg/100 g of fresh edible portion of vitamin C, and Rytigynia apetalus fruits contain 294.19 mg/100 g of fresh edible portion of vitamin C.
claimThe vitamin C content in tubers of Dioscorea cayenensis and Dioscorea prehensilis is difficult to calculate because it is significantly affected by temperature, as noted by Hernández et al. (2006).
measurementThe vitamin C content in the studied edible plant species ranges between 126.88 and 330.72 mg/100 g of fresh edible portion.
procedureVitamin C content in edible plant samples was determined by iodometric titration using the method described by Sowa and Kondo (2003).
referenceHernández Y., Lobo M.G., and González M. (2006) conducted a comparative evaluation of methods for determining vitamin C in tropical fruits, published in Food Chemistry.
claimRubus apetalus is a good source of pro-vitamin A, and Syzygium guineense is a good source of vitamin C, with both species containing relatively low amounts of antinutritional factors.
claimPortulaca oleracea is considered a weed in Ethiopia, but its leaves and stems contain high amounts of iron, zinc, and vitamin C, including twice the amount of iron found in maize.
Comparison of Traditional Indigenous Diet and Modern Industrial ... isom.ca Feb 26, 2024 7 facts
claimIn the human body, vitamin C exists in two main forms: ascorbic acid (AA) and dehydroascorbate (DHA), as stated by Packer (1997).
claimType 2 diabetics exhibit lower plasma and red blood cell (RBC) levels of vitamin C compared to healthy individuals, according to a 2015 study by Tu et al.
referenceFediuk (2002) examined the Inuit diet in the past and present with a specific focus on Vitamin C content.
claimVitamin C is a potent water-soluble antioxidant that protects against plasma lipid peroxidation.
claimThe traditional Inuit diet provided moderate levels of vitamin C through the consumption of liver, adrenal glands of caribou, the blubber and skin of whales, the liver, brain, and fat of seals, berries, and sorrel grass (also known as scurvy grass).
claimThe processed diet consumed by some residents of Bethel, Alaska, consisted of white flour, white sugar, canned goods, coffee, and tea, and was inherently lacking in trace minerals and vitamins A, D, and C.
claimThe traditional Inuit diet includes the consumption of animal adrenal glands and brains, which are sources of fat and vitamin C.
An ethnobotanical study on wild edible plants in Taishan County ... frontiersin.org Jul 10, 2025 4 facts
referenceA 2004 study by Qiu and Zeng analyzed the nitrate, nitrite, and vitamin C content of six edible wild vegetables belonging to the Amaranthaceae family.
referenceA 2005 study by Qiu and Zeng analyzed the nitrate, nitrite, and vitamin C content of eight edible wild vegetables in Guangdong, China.
measurementA 2004 study by Qiu and Zeng measured the concentrations of nitrate, nitrite, and vitamin C in six species from the Amaranthaceae family: Celosia argentea L., Amaranthus spinosus L., A. cruentus L., Alternanthera philoxeroides (Mart.) Griseb., A. viridis L., and A. tricolor L.
measurementA 2005 study by Qiu and Zeng analyzed the concentrations of nitrate, nitrite, and vitamin C in eight wild vegetable species from the Asteraceae family: Crassocephalum crepidioides (Benth.) S. Moore, Emilia sonchifolia (L.) DC., Sonchus wightianus DC., Lactuca sibirica (L.) Benth. ex Maxim., Elephantopus scaber L., Erigeron canadensis L., Artemisia argyi H. Lév. & Vaniot, and A. lactiflora Wall. ex DC.
Ethnobotanical and Food Composition Monographs of Selected ... ouci.dntb.gov.ua 4 facts
referenceFranke W. published the article 'Vitamin-C in Sea Fennel (Crithmum maritimum), an edible wild plant' in the journal Economic Botany in 1982.
referenceBruno S, Amico A, and Stefanizzi L published 'Contenuto in vitamina C di piante eduli e medicamentose della regione pugliese' in the Bollettino della Società Italiana di Biologia Sperimentale in 1980.
referenceAliotta and Pollio (1981) measured the Vitamin A and C content in several edible wild plants in Italy.
referenceFranke W. and Kensbock A. published the article 'Vitamin-C content of native wild growing vegetables and greens' in the journal Ernahrungs-Umschau in 1981.
How do the indices based on the EAT-Lancet recommendations ... medrxiv.org May 14, 2024 3 facts
claimThe ELI dietary index exhibits moderate-sized positive trends regarding DHA, EPA+DHA, and vitamin C, and negative trends regarding zinc.
measurementThe likelihood of adequacy for fibre, thiamine, folate, vitamin C, and manganese is positively related to all six indices based on EAT-Lancet recommendations, while the likelihood of zinc adequacy is inversely correlated with all six indices.
measurementThe WISH index has its main effects on vitamin C, the moderation subscore, and sugars; the PHDI index has its main effect on fiber and vitamin C; and the ELD-I index shows positive trends with moderate to large effect sizes for vitamin C, fiber, folate, and manganese.
Vernonia amygdalina: a comprehensive review of the ... frontiersin.org 3 facts
referenceA study by Ejoh et al. (2005) examined the effect of processing and preservation methods on vitamin C and total carotenoid levels of Vernonia (bitter leaf) species.
claimVernonia amygdalina seeds contain vitamin C, vitamins B1 and B2, sodium, potassium, calcium, magnesium, iron, zinc, and manganese.
claimTraditional processing methods for bitter leaf (Vernonia amygdalina), including boiling, squeeze washing, and salting, result in the loss of proximate nutrients, calcium, iron, potassium, and vitamin C.
History of modern nutrition science—implications for current ... bmj.com Jun 13, 2018 2 facts
claimThe identification of vitamins in animal and human studies established the nutritional basis for deficiency diseases, leading to dietary strategies to address beriberi (vitamin B1), pellagra (vitamin B3), scurvy (vitamin C), pernicious anaemia (vitamin B12), and rickets (vitamin D).
measurementVitamin C was isolated and definitively documented to protect against scurvy in 1932, approximately 200 years after ship’s surgeon James Lind tested lemons as a treatment for scurvy in sailors.
Phytochemical and Pharmacological Studies of Traditionally Used ... heraldopenaccess.us 2 facts
measurementThe vitamin content per 100g fresh weight of Ocimum basilicum Linn. includes 264μg vitamin A, 3142μg β-carotene, 34μg thiamin, 76μg riboflavin, 902μg niacin, 209μg panthotenic acid, 155μg vitamin B6, 68μg vitamin B9, 11.4mg choline, 18.0 mg vitamin C, 0.80mg vitamin E, and 414.8μg vitamin K.
claimThe herb Ocimum basilicum Linn. contains fats, proteins, and vitamins including C, E, K, A, B-carotene, B1 (thiamine), B2 (riboflavin), B3 (niacin), B5 (pantothenic acid), B6, B9, and choline.
Western Diet: How it affects health, risks, and complications medicalnewstoday.com Oct 27, 2023 2 facts
claimThe Standard American Diet (SAD) provides inadequate levels of micronutrients, which may lead to deficiencies in zinc and Vitamins A, C, D, and E.
measurementIn the U.S. population, the percentage of people with inadequate levels of key immune-related micronutrients is 45% for Vitamin A, 46% for Vitamin C, 95% for Vitamin D, 84% for Vitamin E, and 15% for Zinc.
Assessment of the nutritional value of a wild edible plant Scorzonera ... discovery.researcher.life Dec 1, 2025 1 fact
claimWild edible plants serve as sources of carbohydrates, proteins, and fibers, and are rich in vitamins and minerals including vitamin A, vitamin C, zinc, iron, calcium, iodine, thiamine, riboflavin, niacin, and folate.
Medicinal plants: bioactive compounds, biological activities ... frontiersin.org 1 fact
claimClove extract exhibits superior antioxidant action compared to vitamin C against 2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2′-casino-bis (3-ethylbenzothiazole-6-sulfonic acid) (ABTS), and superoxide radicals.
The role of light in regulating plant growth, development and sugar ... frontiersin.org Jan 6, 2025 1 fact
claimGao et al. (2022) investigated the effect of different LED light quality combinations on the content of vitamin C, soluble sugar, organic acids, amino acids, antioxidant capacity, and mineral elements in green onion (Allium fistulosum L.).