Rapid Determination of Eight Catechins in Bottled Green Tea Drinks using Isocratic Elution Method/RP-HPLC-UV
نویسندگان
چکیده
منابع مشابه
Simple isocratic method for simultaneous determination of caffeine and catechins in tea products by HPLC
Tea is a popular beverage almost all over the world. Many studies show that tea consumption is closely associated with positive health impact. Most of the HPLC methods used for the determination of tea constituents include gradient elution systems which involve expensive instrumentation. The objective of this study was to develop a simple, rapid precise and low cost HPLC method for the separati...
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Increasing awareness regarding natural ingredients has led to utilization of functional beverages in diet based therapy. Present project was designed to evaluate safe use of functional drink prepared from green tea active ingredients. Efficacy trial was conducted in male Sprague Dawley rats for period of eight weeks. Functional drinks were prepared by adding catechins and Epigallocatechin Galla...
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Hepatocellular carcinoma (HCC), which is a common malignancy worldwide, usually develops in a cirrhotic liver due to hepatitis virus infection. Metabolic syndrome, which is frequently complicated by obesity and diabetes mellitus, is also a critical risk factor for liver carcinogenesis. Green tea catechins (GTCs) may possess potent anticancer and chemopreventive properties for a number of differ...
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The present study evaluates for the first time in dogs, the kinetics of green tea catechins and their metabolic forms in plasma and urine. Ten beagles were administered 173 mg (12.35 mg/kg body weight) of catechins as a green tea extract, in capsules. Blood samples were collected during 24 h after intake and urine samples were collected during the following periods of time: 0-2, 2-6, 6-8 and 8-...
متن کاملDetermination of catechins in matcha green tea by micellar electrokinetic chromatography.
Catechins in green tea are known to have many beneficial health properties. Recently, it has been suggested that matcha has greater potential health benefits than other green teas. Matcha is a special powdered green tea used in the Japanese tea ceremony. However, there has been no investigation to quantitate the catechin intake from matcha compared to common green teas. We have developed a rapi...
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ژورنال
عنوان ژورنال: Journal of Environmental Chemistry
سال: 2006
ISSN: 1882-5818,0917-2408
DOI: 10.5985/jec.16.449