2. Academic Validation
  3. Flavonoid 5-glucosides from the cocoon shell of the silkworm, Bombyx mori

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

  • Phytochemistry. 2002 Feb;59(3):275-8. doi: 10.1016/s0031-9422(01)00477-0.
Yasumori Tamura 1,  Ken-ichi Nakajima,  Ken-ichi Nagayasu,  Chiyuki Takabayashi
Affiliations

Affiliation

  • 1 Insect Genetics and Evolution Department, National Institute of Agrobiological Sciences, 1-2 Owashi, Tsukuba, Ibaraki 305-8634, Japan. yasumori@affrc.go.jp
PMID: 11830135 DOI: 10.1016/s0031-9422(01)00477-0
Abstract

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.

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