《食品生物化学食品生物化学 (30).ppt》由会员分享，可在线阅读，更多相关《食品生物化学食品生物化学 (30).ppt（6页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、BIOACTIVE Food componentsnnonessential biomolecules in foods.nthe capacity to modulate one or more metabolic process that will lead promotion of better health.nbeneficial effects:antioxidant activityinhibition or induction of enzymesinhibition of receptor activitiesinduction and inhibition of gene e
2、xpression.OVERVIEWnPredominantly found in plants foods such as whole grains,fruits and vegetables.nPrebiotics(long chain omega 3 polyunsaturated fatty acids)and bioactive peptides are most commonly bioactive food components found in animal products such as milk,fermented milk products and cold water
3、 fish SOURCEnplant-based bioactive food components nbioactive non-nutrient plant compoundsnprovide a range of activities PHYTOCHEMICALSnWithin each category,further division based on biogenesis or biosynthetic origin will gives different subcategories.nMore than 5000 individual dietary phytochemical
4、s have been identified in plant foods with varying content and composition.nA large percentage of these compounds still remain unknown with respect to chemical structure and the biological role in humans CATEGORYPhytochemicalsCarbohydrateMonosaccharide,disaccharide,polysaccharide,oligosaccharide,sug
5、ar alcoholLipidsMonounsaturated fat,polyunsaturates,saturated fat and fatty acidsTerpenoidsMonoterpenoids,diterpenoids,sesquterpenoids,triterpenoids,saponin,caratenoidsPhenolicsFlavonoids,phenolic acids,stilbenoids,tannins,lignans,xanthones,quinones,coumarins,phenylpropanoids,benzofuransAlkaloids&other nitrogen containing metabolitesGlucosinolates,betalains,isoquinoline,lycopodium,peptide,piperidine,amine,cyanogenic glycosides,purine,peptides,proteins