Inhibitory Effects of Cinnamon and Garcinia Crude Extracts on Alpha-amylase, Lipase, Trypsin and Alcohol Dehydrogenase

Authors

  • Adchara Sangchan Biotechnology Department, Faculty of Science, Burapha University
  • Autchara Bootdee
  • Salil Chanroj

Abstract

Obesity is a risk factor exacerbating metabolic disorders such as diabetes. To reduce a risk, one can control the weight by lowering an availability of glucose and fatty acid in digestive system. This research aimed to study the effects of cinnamon and garcinia crude extracts on activities of 3 digestive enzymes, including alpha-amylase, lipase and trypsin and an enzyme in alcohol metabolism pathway, alcohol dehydrogenase. Dried cinnamon and garcinia were extracted with distilled water, 95% ethanol or ethyl acetate at room temperature (27±2°C) or at 60°C and evaluated their inhibitory properties on digestive enzyme activities. Results demonstrated that extracts from cinnamon significantly inhibited activities of both alpha-amylase and trypsin (IC50 < 10 and 67.76 µg/ml, respectively). Meanwhile, extracts from garcinia specifically inhibited an activity of alcohol dehydrogenase (IC50 43.62 µg/ml). Taken together, these results suggested that cinnamon and garcinia contained bioactive agents capable of specifically inhibiting activities of alpha-amylase and trypsin and an activity of alcohol dehydrogenase, respectively. Keywords: inhibitors of enzyme activity, digestive enzymes,  alcohol dehydrogenase, cinnamon, garcinia

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2016-12-06

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