摘要 |
PROBLEM TO BE SOLVED: To provide a novel plant-derived yellow dye compound other than carotenoid compounds (crocin and crocetin of gardenia, safflomin of oil palm, and lutein of marigold) and flavonoid compounds (curcumin of curcuma).SOLUTION: Provided is a yellow dye compound represented by formula VII obtained by extracting seeds, brown rice, albumen or bran of a rice breed, Hatsuyamabuki (FERM BP-11149) or progeny thereof with water or an aqueous alcohol, followed by isolation and purification from the extract: in the formula, Rand Reach independently represent a hydroxyl group or an alkoxy group having 1 to 4 carbon atoms). |