RED COCOON AND RED SILK YARN EACH CONTAINING XANTHOPHYLL

摘要

PROBLEM TO BE SOLVED: To provide a silk yarn having naturally derived red coloring matter without any dyeing, and to provide a method for easily producing naturally derived red coloring matter-containing silk by administering the red coloring matter to silkworm via baits.;SOLUTION: Red cocoon yarn, red silk yarn and a silk protein-xanthophyll-composite composition can be produced by administering a red xanthophyll to yellow-blooded yellow cocoon-strain silkworm (silkworm having a gene involved in the transfer of carotenoid into silk yarn gland from its absorption through the enteric canal after its intake).;COPYRIGHT: (C)2011,JPO&INPIT