نتایج جستجو برای: dihydrochalcones
تعداد نتایج: 85 فیلتر نتایج به سال:
چکیده ندارد.
Abstract. Biotransformations are chemical reactions carried out by microorganisms on organic substrates. can be regio-, chemo-, stereo- and enantio-selective. Bioreductions of great interest to the food pharmaceutical industries as they help reduce costs impacts environment. In this work, following biotransformations chalcones were performed: (2E)-1-(4-hydroxy-phenyl)-3-(2-methoxy-phenyl)-prop-...
l(8)-monoglucoside were non-mutagenic, as were the glucoside tetra-acetates of alizarin, chrysazin and quinizarin. When tested with the bacterial enzymes, all glucosides including the tetra-acetates were mutagenic for strain TA1537, apparently owing to formation of the free aglycones, alizarin, chrysazin, quinizarin and emodin, which are specific for strain TA11537. Emodin glucoside exhibited m...
BACKGROUND Schotia brachypetala Sond. (Fabaceae) is an endemic tree of Southern Africa whose phytochemistry and pharmacology were slightly studied. The present work aimed at profiling the major phenolics compounds present in the hydro-alcohol extract from S. brachypetala leaves (SBE) using LC/HRESI/MS/MS and NMR and prove their antioxidant capabilities using novel methods. METHODS In vitro as...
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