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Effect on the epigallocatechin gallate/epigallocatechin ratio in a green tea (Camellia sinensis L.) extract of different extraction temperatures and its effect on IgA production in mice.
Biosci Biotechnol Biochem. 2010; 74(12):2501-3.BB

Abstract

We found that the epigallocatechin gallate (EGCG)/epigallocatechin (EGC) ratio in a green tea (Camellia sinensis L.) extract was affected by the extraction temperature. The EGCG/EGC ratio in the 4 °C extract was around 1:3-4, whereas in the 100 °C extract, it was around 1:0.7. Oral administration of the mixture with a high EGC ratio (1:2-3 = EGCG/EGC) resulted in greater IgA production by murine Peyer's patch cells.

Authors+Show Affiliations

National Institute of Vegetable and Tea Science, NARO, Shimada, Shizuoka, Japan. monobe@affrc.go.jpNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

21150115

Citation

Monobe, Manami, et al. "Effect On the Epigallocatechin Gallate/epigallocatechin Ratio in a Green Tea (Camellia Sinensis L.) Extract of Different Extraction Temperatures and Its Effect On IgA Production in Mice." Bioscience, Biotechnology, and Biochemistry, vol. 74, no. 12, 2010, pp. 2501-3.
Monobe M, Ema K, Tokuda Y, et al. Effect on the epigallocatechin gallate/epigallocatechin ratio in a green tea (Camellia sinensis L.) extract of different extraction temperatures and its effect on IgA production in mice. Biosci Biotechnol Biochem. 2010;74(12):2501-3.
Monobe, M., Ema, K., Tokuda, Y., & Maeda-Yamamoto, M. (2010). Effect on the epigallocatechin gallate/epigallocatechin ratio in a green tea (Camellia sinensis L.) extract of different extraction temperatures and its effect on IgA production in mice. Bioscience, Biotechnology, and Biochemistry, 74(12), 2501-3.
Monobe M, et al. Effect On the Epigallocatechin Gallate/epigallocatechin Ratio in a Green Tea (Camellia Sinensis L.) Extract of Different Extraction Temperatures and Its Effect On IgA Production in Mice. Biosci Biotechnol Biochem. 2010;74(12):2501-3. PubMed PMID: 21150115.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Effect on the epigallocatechin gallate/epigallocatechin ratio in a green tea (Camellia sinensis L.) extract of different extraction temperatures and its effect on IgA production in mice. AU - Monobe,Manami, AU - Ema,Kaori, AU - Tokuda,Yoshiko, AU - Maeda-Yamamoto,Mari, Y1 - 2010/12/07/ PY - 2010/12/15/entrez PY - 2010/12/15/pubmed PY - 2011/3/29/medline SP - 2501 EP - 3 JF - Bioscience, biotechnology, and biochemistry JO - Biosci Biotechnol Biochem VL - 74 IS - 12 N2 - We found that the epigallocatechin gallate (EGCG)/epigallocatechin (EGC) ratio in a green tea (Camellia sinensis L.) extract was affected by the extraction temperature. The EGCG/EGC ratio in the 4 °C extract was around 1:3-4, whereas in the 100 °C extract, it was around 1:0.7. Oral administration of the mixture with a high EGC ratio (1:2-3 = EGCG/EGC) resulted in greater IgA production by murine Peyer's patch cells. SN - 1347-6947 UR - https://www.unboundmedicine.com/medline/citation/21150115/Effect_on_the_epigallocatechin_gallate/epigallocatechin_ratio_in_a_green_tea__Camellia_sinensis_L___extract_of_different_extraction_temperatures_and_its_effect_on_IgA_production_in_mice_ L2 - https://joi.jlc.jst.go.jp/JST.JSTAGE/bbb/100498?lang=en&from=PubMed DB - PRIME DP - Unbound Medicine ER -