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有机化工
Fermentation of mulberry leaves with Cordyceps militaris enhanced anti-adipogenesis activity in 3T3-L1 cells through down-regulation of PPAR-γ pathway signaling
Objective:To establish an efficacious and efficient fermentation method of enhancing the anti-adipogenesis effect of mulberry(Morus alba) leaves using Cordyceps militais.Methods:Dried mulberry leaves,dried mulberry leaves with50% raw silkworm pupa and raw silkworm pupa were fermented with Cordyceps militais for 4 weeks at 25℃,after which the dried mulberry leaves and fermented product were extracted with 70%ethanol and subjected to high performance liquid chromatography(HPLC).The contents of cordycepin,pelargonidin,chlorogenic acid,iso-quercetin and caffeic acid were determined.We then used the 3 T3-L1 cells to investigate whether extracts of fermentation enhanced anti-adipogenesis activity in vitro.Results:HPLC showed that fermentation changed the contents of cordycepin,pelargonidin,chlorogenic acid,iso-quercetin and caffeic acid.Furthermore,fermented dried mulberry leaves with 50% raw silkworm pupa had a better efficacy of anti-adipogenesis than dried mulberry leaves,fermented dried mulberry leaves and fermented silkworm pupa and inhibited triglycerides accumulation and glucose consumption.Additionally,fermented dried mulberry leaves with50% raw silkworm pupa inhibited PPAR-γ signaling.Conclusions:Fermentation with Cordyceps militaris enhanced antiadipogenesis efficacy of mulberry leaves.
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Asian Pacific Journal of Tropical Medicine
2020年12期

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