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Seven pairs of enantiomeric phenylpropanoids (1a/1b–7a/7b), including eight undescribed phenylpropanoids (1a, 2a/2b, 3a, 5a, 6a/6b, and 7b) were found in the fruits of Crataegus pinnatifida Bge. The enantiomers were separated using chiral column and elucidated through various spectroscopic methods and quantum chemical ECD calculations. The tyrosinase inhibitory activity of enantiomers was tested...
Patrinia villosa Juss. (P. villosa) is a beneficial wild vegetable, which is widely distributed in Asia and North America. It can be made into a salad, used as greens in porridge and soup for its fresh smells and highly nutritious. Chemical investigation of P. villosa led to the isolation, purification and identification of one new iridoid glycoside (1) along with nineteen known lignans (2–20). Their...
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