Abstract Botanical insecticides investigation led to 21 compounds from the bark of Juglans mandshurica Maxim., in which, compounds 4, 10, 11, 13, 14 and 15 were isolated from Juglans genus… Click to show full abstract
Abstract Botanical insecticides investigation led to 21 compounds from the bark of Juglans mandshurica Maxim., in which, compounds 4, 10, 11, 13, 14 and 15 were isolated from Juglans genus for the first time. The inhibitory effect of dihydrokaempferol (6), naringenin (7) and rhoiptelol C (18) on phenol oxidase (PO) are 5–10 times more than arbutin, a well-known tyrosinase inhibitor. Thus, the selective and effective these inhibitors can be expected for using in the development of environment-friendly pesticide.
               
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