Studies on Tea-leaves. IV
نویسندگان
چکیده
منابع مشابه
Inhibitory Effects of Pu-erh Tea Leaves on Mouse Type IV Allergy
Pu-erh tea is one of post fermented tea manufactured through oxidative maturing by microorganisms. We investigated the preventive effects of pu-erh tea extract on oxazolone-induced type IV allergy in male (ICR) mice. Oral administration of 50 mg/kg water extract of pu-erh tea leaves resulted in significant preventive effects against mouse type IV allergy. The hydrophilic Theabrownin-like fracti...
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Rhodamine B (Rh-B) is one of the most common pollutants in the effluents of textile industries effluents in developing countries. This study was carried out to evaluate the applicability of used black tea leaves (UBTL) for the adsorptive removal of Rh-B from aqueous system by investigating the adsorption kinetics in batch process. The effects of concentration and temperature on adsorption kinet...
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This study investigates the effects of water solutions on the antioxidant content of green tea leaf extracts. Green teas prepared with tap water and distilled water were compared with respect to four antioxidant assays: total phenol content, reducing power, DMPD assay, and trolox equivalent antioxidant capacity assay. The results indicate that green tea prepared with distilled water exhibits hi...
متن کاملDelivery of tea polyphenols to the oral cavity by green tea leaves and black tea extract.
Catechins and theaflavins, polyphenolic compounds derived from tea (Camellia sinensis, fam. Theaceae), have been reported to have a wide range of biological activities including prevention of tooth decay and oral cancer. The present study was undertaken to determine the usefulness of green tea leaves and black tea extract for the delivery of catechins and theaflavins to the oral cavity. After h...
متن کاملLaboratory studies on cancer chemoprevention by tea
Summarv TeJ pigments, the oxidative products of tea polyphenols. mainly contain [eJ theJt1a\'ins. thearubigins and other components. In short-renn screening studies. tea pigments \vas found to have significant inhibitory efffects in Gene mutation test. Micronuclei fonnation test. rvletabolic cooperation test. \ilice ear edema test. Viability and growth ability of Hela cells in soft agar and S-1...
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ژورنال
عنوان ژورنال: Journal of the agricultural chemical society of Japan
سال: 1935
ISSN: 0002-1407,1883-6844
DOI: 10.1271/nogeikagaku1924.11.9_757