Inhibitory effect of polyphenols from Korean pine cone lamella onα- amylase and α- glucosidase

LI Bo; BAO Yi-hong; GAO Feng; WANG Zhen-yu

doi:10.13386/j.issn1002-0306.2015.01.004

LI Bo, BAO Yi-hong, GAO Feng, WANG Zhen-yu. Inhibitory effect of polyphenols from Korean pine cone lamella onα- amylase and α- glucosidase[J]. Science and Technology of Food Industry, 2015, (01): 63-65. DOI: 10.13386/j.issn1002-0306.2015.01.004

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Inhibitory effect of polyphenols from Korean pine cone lamella onα- amylase and α- glucosidase

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Inhibition kinetics of α- amylase and α- glucosidase by polyphenols from Korean pine cone lamella was studied.The results suggested that inhibitory activity of polyphenols( EC50,713.94μg /m L) on α- glucosidase was slightly lower than that of the positive control acarbose( EC50,623.73μg /m L) and inhibitory effect of polyphenols( EC50,1902.91μg /m L) on α- amylase was significantly lower than that of acarbose( EC50,865.96μg /m L). A Lineweaver- Burk plot indicated that the inhibition of polyphenols from Korean pine cone lamella on α- amylase andα- glucosidase were both uncompetitive.

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Science and Technology of Food Industry

Inhibitory effect of polyphenols from Korean pine cone lamella onα- amylase and α- glucosidase

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