Comparative analysis of Bombyx batryticatus and Bombyx mori on α-glucosidase inhibition and their bioactive compositions
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This study aimed to evaluate and compare the inhibitory effects of extracts from Bombyx batryticatus (BBE) and Bombyx mori (BME) on α-glucosidase, DPP-4, and LDL oxidation activities, focusing on their potential applications in managing postprandial hyperglycemia and metabolic syndrome. The results demonstrated that both BBE and BME effectively inhibited α-glucosidase and LDL oxidation, with BBE exhibiting higher inhibitory activity than BME. HPLC analysis identified linolenic acid, linoleic acid, linolenic acid ethyl ester, pheophorbide a, and pyropheophorbide a as key compounds contributing to these effects. Notably, the identified unsaturated fatty acids and pheophorbides showed strong α-glucosidase inhibitory activity, surpassing that of acarbose, a standard diabetic drug. These results suggest that, in addition to the previously reported 1-DNJ and fibroin proteins, unsaturated fatty acids and chlorophyll-derived pheophorbides may play significant roles in glycemic control. Compounds, particularly those from BBE, present promising opportunities for the development of natural therapeutic agents for diabetes management. The study concludes that BBE and BME have strong potential as functional ingredients in future diabetes treatment strategies, possibly offering enhanced efficacy over conventional inhibitors.
Abstract
This study aimed to evaluate and compare the inhibitory effects of extracts from Bombyx batryticatus (BBE) and Bombyx mori (BME) on α-glucosidase, DPP-4, and LDL oxidation activities, focusing on their potential applications in managing postprandial hyperglycemia and metabolic syndrome. The results demonstrated that both BBE and BME effectively inhibited α-glucosidase and LDL oxidation, with BBE exhibiting higher inhibitory activity than BME. HPLC analysis identified linolenic acid, linoleic acid, linolenic acid ethyl ester, pheophorbide a, and pyropheophorbide a as key compounds contributing to these effects. Notably, the identified unsaturated fatty acids and pheophorbides showed strong α-glucosidase inhibitory activity, surpassing that of acarbose, a standard diabetic drug. These results suggest that, in addition to the previously reported 1-DNJ and fibroin proteins, unsaturated fatty acids and chlorophyll-derived pheophorbides may play significant roles in glycemic control. Compounds, particularly those from BBE, present promising opportunities for the development of natural therapeutic agents for diabetes management. The study concludes that BBE and BME have strong potential as functional ingredients in future diabetes treatment strategies, possibly offering enhanced efficacy over conventional inhibitors.
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