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Phytochemicals are chemical compounds produced by plants, generally to help them resist fungi, bacteria and plant virus infections, and also consumption by insects and other animals. The name comes from Greek φυτόν (phyton) 'plant'.
orange pigments . α-Carotene – to vitamin A carrots, pumpkins, maize, tangerine, orange.; β-Carotene – to vitamin A dark, leafy greens, red, orange and yellow fruits and vegetables.
Download as PDF; Printable version; In other projects Wikidata item; Appearance. move to sidebar hide ... List of phytochemicals in food; Nutrient; Nutrition; References
On the 1992–2005 pyramid, the fat circle and sugar triangle are scattered throughout the pyramid to represent the naturally-occurring fats and sugars in various foods. The idea of this is to reduce the temptation to eat so much junk food and excessive fats and sugars, as there is already enough fat and sugar in the rest of the diet.
Phytochemistry is the study of phytochemicals, which are chemicals derived from plants.Phytochemists strive to describe the structures of the large number of secondary metabolites found in plants, the functions of these compounds in human and plant biology, and the biosynthesis of these compounds.
[37] [38] [39] However, the qualification for nutrient status of compounds with poorly defined properties in vivo is that they must first be defined with a Dietary Reference Intake level to enable accurate food labeling, [40] a condition not established for most phytochemicals that are claimed to provide antioxidant benefits.
The Hay Diet is a nutrition method developed by the New York physician William Howard Hay in the 1920s. It claims to work by separating food into three groups: alkaline , acidic , and neutral. (Hay's use of these terms does not completely conform to the scientific use, i.e., the pH of the foods.)
The diet in the tropics tended [when?] to depend more heavily on plant foods, while the diet at higher latitudes tended more towards animal products. Analyses of postcranial and cranial remains of humans and animals from the Neolithic, along with detailed bone-modification studies, have shown that cannibalism also occurred among prehistoric humans.