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中国精品科技期刊2020
马艳丽, 让一峰, 赵伟, 杨瑞金. 白芸豆α-淀粉酶抑制剂对α-淀粉酶抑制特性的研究[J]. 华体会体育, 2017, (12): 109-112. DOI: 10.13386/j.issn1002-0306.2017.12.020
引用本文: 马艳丽, 让一峰, 赵伟, 杨瑞金. 白芸豆α-淀粉酶抑制剂对α-淀粉酶抑制特性的研究[J]. 华体会体育, 2017, (12): 109-112. DOI: 10.13386/j.issn1002-0306.2017.12.020
MA Yan-li, RANG Yi-feng, ZHAO Wei, YANG Rui-jin. Study on the inhibitory properties ofα-amylase inhibitor from white kidney beans[J]. Science and Technology of Food Industry, 2017, (12): 109-112. DOI: 10.13386/j.issn1002-0306.2017.12.020
Citation: MA Yan-li, RANG Yi-feng, ZHAO Wei, YANG Rui-jin. Study on the inhibitory properties ofα-amylase inhibitor from white kidney beans[J]. Science and Technology of Food Industry, 2017, (12): 109-112. DOI: 10.13386/j.issn1002-0306.2017.12.020

白芸豆α-淀粉酶抑制剂对α-淀粉酶抑制特性的研究

Study on the inhibitory properties ofα-amylase inhibitor from white kidney beans

  • 摘要: 本文研究了白芸豆α-淀粉酶抑制剂(α-AI)对α-淀粉酶的抑制特性。通过探究淀粉浓度、孵育时间、α-淀粉酶活力、淀粉类型对白芸豆α-AI抑制作用的影响来反映α-AI对α-淀粉酶的抑制特性。结果表明:白芸豆α-AI对α-淀粉酶的抑制作用属于非竞争性抑制,该抑制作用基本不受淀粉类型的影响,会随孵育时间的延长而显著增强(p<0.05),当α-淀粉酶活力过高(>1.125 U)时,抑制作用显著降低(p<0.05)。 

     

    Abstract: The inhibitory properties of α-amylase inhibitor (α-AI) from white kidney beans were analyzed by the effect of starch concentration, preincubation time, α-amylase activity and starch breed on the inhibition of α-AI.The results showed that the inhibition of α-AI on α-amylase was non-competitive and the variation of starch did not affect the inhibition. With the extension of preincuation time, the inhibition significantly increased (p < 0.05) .While with α-amylase activity exceeded 1.125 U, the inhibition significantly decreased (p < 0.05) .

     

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