title: Silkworm pupae (Bombyx mori) are new sources of high quality protein and lipid.
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.
authors.affiliation: Iida Women's Junior College, Japan. tomotake@iidawjc.ac.jp
authors.forename: Hiroyuki
authors.initials: H
authors.lastname: Tomotake
authors.forename: Mitsuaki
authors.initials: M
authors.lastname: Katagiri
authors.forename: Masayuki
authors.initials: M
authors.lastname: Yamato
mesh_terms: D017485:1-Deoxynojirimycin / Q000032:analysis*; D000601:Amino Acids, Essential / Q000032:analysis; D000818:Animals; D001688:Biological Products / Q000737:chemistry*; D012831:Bombyx / Q000737:chemistry*; D004041:Dietary Fats / Q000032:analysis*; D004044:Dietary Proteins / Q000032:analysis*; D015525:Fatty Acids, Omega-3 / Q000032:analysis; D065089:Glycoside Hydrolase Inhibitors; D009751:Nutritional Requirements; D009753:Nutritive Value; D011679:Pupa / Q000737:chemistry*
chemical_list: D000601:Amino Acids, Essential; D001688:Biological Products; D004041:Dietary Fats; D004044:Dietary Proteins; D015525:Fatty Acids, Omega-3; D065089:Glycoside Hydrolase Inhibitors; D017485:1-Deoxynojirimycin