Quercetin Glycosides-rich Tea Cultivars (Camellia sinensis L.) in Japan

In an effort to identify tea cultivars with high flavonol content, we measured flavonol glycoside levels in the tea infusions of cultivars in the collection of the National Institute of Vegetable and Tea Science. The cultivars ‘Saemidori’, ‘Sofu’, ‘Surugawase’, ‘Fukumidori’, and ‘Asatsuyu’ among oth...

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Bibliographic Details
Published in:Food Science and Technology Research 2015, Vol.21(3), pp.333-340
Main Authors: Monobe, Manami, Nomura, Sachiko, Ema, Kaori, Matsunaga, Akiko, Nesumi, Atsushi, Yoshida, Katsuyuki, Maeda-Yamamoto, Mari, Horie, Hideki
Format: Article
Language:English
Subjects:
Camellia sinensis
Collection
Drinks
Equivalence
Flavonols
Glycosides
Infusion
quercetin glycosides
Tea
tea cultivars (Camellia sinensis L.)
Vegetables
water extract
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Summary:In an effort to identify tea cultivars with high flavonol content, we measured flavonol glycoside levels in the tea infusions of cultivars in the collection of the National Institute of Vegetable and Tea Science. The cultivars ‘Saemidori’, ‘Sofu’, ‘Surugawase’, ‘Fukumidori’, and ‘Asatsuyu’ among others could be effective sources of quercetin compared to other tea cultivars. Quercetin glycosides in “Saemidori” and “Sofu” remained at a relatively high level (110 – 170 µg/mL aglycone equivalent). These cultivars are indicated as effective sources of dietary quercetin, and are potential sources of quercetin-rich drinks.
ISSN:1344-6606
1881-3984
DOI:10.3136/fstr.21.333