Hazel Leaves Extract
Specification: phenolic ,myricetin,quercetin
Detection method: HPLC
Botanical Name: Corylus americana
About Hazel Leaves:
Hazel is a member of the birch family of trees, Betulaceae,There are 14?18 species of hazel .Hazel can grow to a height of 10 metres, although in Scotland it is usually no more than 6 metres tall. Typically it has a number of shoots or trunks branching out at, or just above, ground level, and this growth habit has led to some people referring to it as a bush rather than a tree, because it doesn't meet the strict definition for a tree, of having a single stem that is unbranched near the ground.
Aqueous extracts of leaves of different hazel:
Eight phenolic compounds were identified: 3-, 4- and 5-caffeoylquinic acids, caffeoyltartaric acid, p-coumaroyltartaric acid, myricetin-rhamnoside, quercetin 3-rhamnoside and kaempferol 3-rhamnoside. A p-coumaric acid, three myricetin and one quercetin derivatives were also detected.
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