Flavonoid 5-glucosides from the cocoon shell of the silkworm, Bombyx mori

• Published in: Phytochemistry (Oxford) Vol. 59; no. 3; pp. 275 - 278
• Main Authors: Tamura, Y, Nakajima, K, Nagayasu, K, Takabayashi, C
• Format: Journal Article
• Language: English
• Published: OXFORD Elsevier 01.02.2002
• Subjects: Animals; Biochemistry & Molecular Biology; Biochemistry. Physiology. Immunology; Biological and medical sciences; Bombyx - chemistry; Bombyx mori; Flavonoids - chemistry; Flavonoids - isolation & purification; flavonoids 5-glucosides; Fundamental and applied biological sciences. Psychology; Gas Chromatography-Mass Spectrometry; Glucosides - chemistry; Glucosides - isolation & purification; Insecta; Invertebrates; Life Sciences & Biomedicine; Magnetic Resonance Spectroscopy; Molecular Structure; Physiology. Development; Plant Sciences; Science & Technology; Spectrophotometry, Ultraviolet; quercetin 5-O-beta-D-glucopyranoside; GLYCOSIDES; quercetin 5,7,4 '-tri-O-beta-D-glucopyranoside; silkworm; quercetin 5,4 '-di-O-beta-D-glucopyranoside; Bombyx mori; flavonoid; cocoon; DERIVATIVES; Silkworm rearing crop; Molecular structure; Kaempferol; Insecta; Glucoside; Cocoon; Plant leaf; Moraceae; Morus alba; Flavonoid; Arthropoda; Dicotyledones; Angiospermae; Bombycidae; Lepidoptera; Quercetin; Isolation; Spermatophyta; Invertebrata; Comparative study
• ISSN: 0031-9422; 1873-3700
• DOI: 10.1016/S0031-9422(01)00477-0

The flavonoid 5-glucosides, quercetin 5,4'-di-O-beta-D-glucopyranoside and quercetin 5,7,4-tri-O-beta-D-glucopyranoside, together with the known quercetin 5-O-beta-D-glucopyranoside, were isolated from the cocoon shell of the silkworm, Bombyx mori. The structures were identified by spectroscopic analysis. These flavonoid glucosides were not present in mulberry leaves, the silkworm's only food, and they are considered to be metabolites produced by the silkworm. (C) 2002 Published by Elsevier Science Ltd.