Apples contain a large concentration of flavonoids, as well as a variety of other phytochemicals, and the concentration of these phytochemicals may depend on many factors, such as cultivar of the apple, harvest and storage of the apples, and processing of the apples. The concentration of phytochemicals also varies greatly between the apple peels and the apple flesh.
Apple polyphenol extracts are a group of naturally occurring plant nutrients in apples, and they hold numerous health benefits. The polyphenol content differs according to maturity rate. Young apple has 10 times content comparing with mature apple. So, Apple polyphenol extracts is bette to use young apple to get the apple polyphenols. Crude apple extracts contain chlorogenic acid, catechins, apple condensed tannins, phloridzin, phloretin, anthocyanin etc.
