The housefly is an important resource insect and the housefly larvae are ideal source of food additives. The housefly larvae protein hydrolysates were obtained by enzymatic hydrolysis by alcalase and neutral proteinase. Their antioxidant activities were investigated, including the superoxide and hydroxyl radicalscavenging activity, 1,1-diphenyl-2-picrylhydrazyl (DPPH) scavenging activity, reducing power and metal chelating activity. The antioxidant activities of both hydrolysates increased with their increasing concentrations. The alcalase hydrolysate (AH) showed higher scavenging activities against hydroxyl radical and superoxide anion radical at low concentrations and higher metal-chelating activity than the neutral proteinase hydrolysate (NPH). The NPH exhibited higher scavenging activity against DPPH free radical and higher reducing power than the AH. Both hydrolysates showed more than 50% superoxide anion radical-scavenging activity at 10 μg/mL. These results indicate that both housefly larvae protein hydrolysates display high antioxidant activities and they could serve as potential natural antioxidant food additives.

Huan Zhang

Pan Wang

Ai-Jun Zhang

Xuan Li

Ji-Hong Zhang

Qi-Lian Qin

Yi-Jun Wu

Acta Biologica Hungarica

Acta Biologica Hungarica provides a forum for original research works in the field of experimental biology. It covers cytology, functional morphology, embriology, genetics, endocrinology, cellular physiology, plant physiology, neurobiology, ethology and environmental biology with emphasis on toxicology. Publishes book reviews and advertisements.

Acta Biologica Hungarica is a forum for original research works in the field of experimental biology. It covers cytology, functional morphology, embryology, genetics, endocrinology, cellular physiology, plant physiology, neurobiology, ethology, and environmental biology, with a particular emphasis on toxicology. The journal also publishes book reviews and advertisements.

《Acta Biologica Hungarica》是一个专注于实验生物学领域的原创研究作品的论坛。期刊涵盖细胞学、功能形态学、胚胎学、遗传学、内分泌学、细胞生理学、植物生理学、神经生物学、动物行为学和环境生物学，特别强调毒理学。此外，期刊还会发布书评和广告。

Antioxidant activities of protein hydrolysates obtained from the housefly larvae

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