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  • Title: Silkworm pupae (Bombyx mori) are new sources of high quality protein and lipid.
    Author: Tomotake H, Katagiri M, Yamato M.
    Journal: J Nutr Sci Vitaminol (Tokyo); 2010; 56(6):446-8. PubMed ID: 21422715.
    Abstract:
    This study was performed to evaluate the nutritional value of silkworm pupae (Bombyx mori) and the content of α-glucosidase inhibitor. The percentages of total protein and lipid contents by dry weight were 55.6 and 32.2%, respectively. Silkworm pupae protein had high levels of essential amino acids such as valine, methionine and phenylalanine. The contents of essential amino acids in silkworm pupae protein satisfied the FAO/WHO/UNU suggested requirements (2007). In addition, they also possessed n-3 fatty acids, especially α-linolenic acid (36.3%), as a major component. The 50% ethanol extract of silkworm pupae contained 1-deoxynojirimycin (DNJ), which is a potent α-glucosidase inhibitor. These results suggest that silkworm pupae are a new source of high quality protein, lipid, and α-glucosidase inhibitor.
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