fruit and veg extra reading Flashcards
what makes fruit and veg by products have great potential for recycling?
they are a source of bio active compounds like sugars and carbohydrates and molecules like phenolic acids, carotenoids, tocopherols, flavenoids
what are polyphenols and how can they be a useful resource in biomedicine?
micronutrient found in plants containing more than one phenol unit. their redox potentials play a role in prevention of oxidative stress associated with cardiac disease, cancer, type II diabetes, neurodegenerative disease, osteoporosis
what uses can carotenoids have in biomedicine?
carotenoids enable the interruption of free radical propagation as a result of lowering oxidative stress so may intervene with the aging process. they have high reactivity to singlet oxygen in the cell membrane so act as a potent antioxidant and lower risk of cancer, macular degeneration, cateracts and heart disease
what are the main wasted apple by products and what do they contain?
apple pomace formed after juice making which contains peels, flesh, seeds and stem. these contain pectins, cellulose, hemicellulose and lignin as well as some secondary metabolites such as tannins, resins, reducing sugars and pigments
how can apple by products be applied in the food industry?
apple pomace can be introduced to food products such as baked products, meats and yogurts as a source of dietary fibre