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不同酶解方式下蜂王浆蛋白生物活性的比较
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李珍珠(2002-),女,硕士,研究方向:食品科学,E-mail:2560033747@qq.com 通讯作者:黄艾祥(1963-),男,博士,教授,研究方向:食物新资源开发与乳品科学,E-mail:aixianghuang@126.com

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云南省重大科技专项(202102AE090027)


Comparison of Royal Jelly Protein Bioactivity under Different Enzymatic Hydrolysis Methods
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    摘要:

    蜂王浆营养丰富,蛋白质含量高,是挖掘生物活性肽的重要来源。为探究不同酶解方式对蜂王浆蛋白的抗氧化和降糖活性影响,该研究以蜂王浆为原料,采用硫酸铵沉淀法提取蜂王浆粗蛋白,通过不同的酶解(胃蛋白酶、胰蛋白酶、胃胰蛋白酶)制备得到酶解粗提物W-WSPs、Y-WSPs、WY-WSPs,以未酶解的粗蛋白为对照,羟自由基、DPPH自由基清除率和α-葡萄糖苷酶抑制率为评价指标,评估其抗氧化和降糖活性的差异,并依据不同温度、pH值评估其活性的热稳定性和酸碱稳定性。结果表明,三种粗提物对细胞均无毒性,其中蜂王浆蛋白酶解粗提物WY-WSPs具有更好的抗氧化活性和α-葡萄糖苷酶抑制活性,其对羟自由基、DPPH自由基的清除率分别为48.54%和41.59%,对α-葡萄糖苷酶的抑制率为50.75%,且具有一定的热稳定性和酸碱稳定性。其中WY-WSPs在相同条件下具有更高的羟自由基、DPPH自由基清除率和α-葡萄糖苷酶抑制率,稳定性也更强。研究旨在为蜂王浆高值化利用及产品开发提供理论参考。

    Abstract:

    Royal jelly is rich in nutrients and exhibits high protein content; it serves as an important source of bioactive peptides. To explore the effects of different enzymatic hydrolysis methods on the antioxidant and hypoglycemic activities of royal jelly proteins, royal jelly was first subjected to crude protein extraction using the ammonium sulfate precipitation method, followed by different methods of enzymatic hydrolysis (pepsin, trypsin, pepsin+trypsin) to prepare water-extracted water-soluble polysaccharide (W-WSP), enzyme-assisted extracted water-soluble polysaccharide (Y-WSP), and combined water- and enzymeassisted extracted water-soluble polysaccharide (WY-WSP) enzymatic crude extracts. Using unhydrolyzed crude protein as the control, the hydroxyl radical scavenging rate; 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging rate; and α-glucosidase inhibition rate were used as indicators to assess differences in antioxidant and hypoglycemic activities. The thermal and acid-base stabilities of these bioactivities were evaluated under different temperatures and pH values. The results showed that the three crude extracts were non-cytotoxic. Among them, the WY-WSP enzymatic crude extract exhibited superior antioxidant and α-glucosidase inhibitory activities, with hydroxyl and DPPH radical scavenging rates of 48.54% and 41.59%, respectively, and an α-glucosidase inhibition rate of 50.75%. The WY-WSP enzymatic crude extract also exhibited thermal and acid-base stability. Under the same conditions, it exhibited superior hydroxyl radical and DPPH radical scavenging rates, an elevated α-glucosidase inhibition rate, and improved stability. These findings provide a theoretical basis for the high-value utilization and product development of royal jelly.

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李珍珠,冯毅楠,郑文涛,陶文丽,黄艾祥.不同酶解方式下蜂王浆蛋白生物活性的比较[J].现代食品科技,2026,42(7):39-47.

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  • 收稿日期:2025-04-27
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  • 在线发布日期: 2026-09-02
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