https://www.selleckchem.com/pr....oducts/tubastatin-a.
RESULTS The controlled-second fermentation for 4-8 h was successful to increase total polyphenol content well as to improve the complexity of coffee taste and coffee quality (cupping score 84). Comparative GC/MS analysis showed that fermentation of coffee beans resulted in alteration of metabolite profiles of coffee beans compared with control, while still maintaining the characteristics of coffee based on each origin. CONCLUSION The controlled-second fermentation was effective to increase the quality of coffee and alter metab