The present invention is directed to extracts of cranberries (
Vaccinium macrocarpon
) comprising either mixed flavonols that are substantially free of anthocyanins and proanthocyanidins or a purified cranberry flavonol compound, including myricetin-3-β-xylopyranoside, quercetin-3-β-glucoside, quercetin-3-α-arabinopyranoside, 3′-methoxyquercetin-3-α-xylopyranoside, quercetin-3-O-(6″-p-coumaroyl)-β-galactoside, and quercetin-3-O-(6″-benzoyl)-β-galactoside. The present invention also embodies the use of those extracts, as well as extracts comprising the cranberry flavonol compound quercetin-3-α-arabinofuranoside, for the treatment of inflammatory disorders. Pharmaceutical, food, dietary supplement, and cosmetic compositions utilizing the extracts or compounds of the present invention are also recited.
本发明涉及蔓越莓(Vaccinium macrocarpon)的
提取物。
蔓越莓
)的
提取物,该
提取物包含基本不含
花青素和
原花青素的混合
黄酮醇或纯化的蔓越莓
黄酮醇化合物,包括
杨梅素-3-β-木
吡喃糖苷
槲皮素-3-β-
葡萄糖苷、
槲皮素-3-α-阿拉伯
吡喃糖苷、3′-甲氧基
槲皮素-3-α-木
吡喃糖苷、
槲皮素-3-O-(6″-对香豆酰基)-β-半
乳糖苷和
槲皮素-3-O-(6″-苯甲酰基)-β-半
乳糖苷。本发明还包括使用这些
提取物以及包含蔓越莓
黄酮醇化合物
槲皮素-3-α-阿拉伯
呋喃糖苷的
提取物来治疗炎症性疾病。此外,还叙述了利用本发明
提取物或化合物的药物、食品、膳食补充剂和化妆品组合物。