| Summary: | 碩士 === 國立虎尾科技大學 === 光電與材料科技研究所 === 101 === Queen bee larva, a by-product during the royal jelly production was used as a material in this study. First, the queen bee larva was lyophilized and then enzymatic hydrolysis by four enzymes (papain, trypsin, bromelain and chitosanase). We had evaluated the antioxidatives properties (DPPH radical scavenging activity, hydroxyl radical activity, scavenging activity of superoxide anion radicals, inhibition of linoleic acid peroxidation and reducing power) and angiotensin I converting enzyme inhibitory activity of enzymatic hydrolysates. The yield of these hydrolysates was very high, about 27-32% on a raw weight basis. The results demonstrate that enzymatic hydrolysates of queen bee larva protein possess high antioxidant activity and contain bioactivity angiotensin I-converting enzyme inhibitory activity. The enzymatic hydrolysates of queen bee larva could be a medicinal food in the human body.
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