nutraceuticals Flashcards
define nutraceuticals
food or ingredient that provides medical/health benefits including prevention and treatment of disease
what are dietary supplements
concentrated source of nutrients/other substances with a nutritional or physiological function - in addition to normal food intake to maintain health/prevent deficiency
what are functional foods
a food or beverage containing an ingredient that gives it a benefit beyond its normal nutritional value
define health benefit
improve physical/mental performance and decrease disease risk
what are anti-oxidants
vit A, C, E, selenium/zinc/carotenoids - counteract free radicals to have anti inflammatory and anti aging effect
what fatty acids and oil supplements are available
omega 3 and planet stanols and sterols
what do omega 3 supplements do
help skin, reduce cholesterol and inflammatory mediators
what do plant stanols/sterol supplements do
2g daily reduces LDL cholesterol
what are probiotics
live non-pathogenic microorganisms for a large range of GI disorders
name some groups for targeted supplements
menopause vegetarians pregnancy children
name some disease groups for targeted supplements
joints bones cvimmune eye skin GI brain
supplements for CVD
garlic/onions plant sterols/stanols oats (beta-glucans) oily fish/PUFAhigh cocoa (85%)
what are cosmeceuticals
preventing skin and hair aging
what factors affect the actions of nutraceuticals
behaviour genetics side effects drug/herbal interactions bioavailability
how are product claims researched
Randomised controlled trials of some products in specific conditions Anecdotal or limited to in vitro or animal studies