Polifenoliniai junginiai obuoliuose: cheminė sudėtis, struktūros ypatumai, biologinis poveikis (apžvalga)

Liaudanskas, Mindaugas; Viškelis, Pranas; Janulis, Valdimaras
January 2012
Sodininkyste ir Darzininkyste;2012, Vol. 31 Issue 1/2, p3
Apples are one of the most frequently consumed fruits in Lithuania and worldwide. They are a significant source of polyphenolic compounds. The major polyphenolic compounds in apples are flavonols, lavan-3-ols, dihydrochalcones and phenolic acids. Polyphenolic compounds are secondary plant metabolites. They act as modulators of biochemical processes, protect plants against harsh environmental effects. Polyphenolic compounds have various biological activities. One of the most important effects of these compounds is strong antioxidative activity. Polyphenolic compounds are natural antioxidants which bind free radicals, inhibit their formation processes, stimulate production of antioxidative enzymes, therefore prevent oxidative stress that damages structural organism molecules. Antioxidative activity is closely related to other biological effects of polyphenolic compounds: antimicrobial, anti-inflammatory, anticarcinogenic and cardiovascular protective activity. The consumption of apples strengthens organism, helps avoid various diseases. As a food rich in polyphenolic compounds, apples should be more included in human diet, they are a promising source of raw material for food supplements.


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