Onion extract, and process for production thereof

An onion extract comprising glutamylmethionine, quercetin and protocatechulc acid, which is characterized in that the ratio of quercetin to glutamylmethionine (i.e., a quercetin/glutamylmethionine ratio) is 0 to 0.49 by weight and the ratio of protocatechulc acid to glutamylmethionine (i.e., a proto...

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Hauptverfasser: HIRAMOTO TADAHIRO, YAMAMOTO TAICHI, YONESHIGE ARATA, SAWAMURA RYOSUKE
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:An onion extract comprising glutamylmethionine, quercetin and protocatechulc acid, which is characterized in that the ratio of quercetin to glutamylmethionine (i.e., a quercetin/glutamylmethionine ratio) is 0 to 0.49 by weight and the ratio of protocatechulc acid to glutamylmethionine (i.e., a protocatechulc acid/glutamylmethionine ratio) is 0 to 1.86 by weight.