Anti-oxidative compounds in barley tea.
نویسندگان
چکیده
Five phenolic compounds, p-hydroxyacetophenone, 5,7-dihydroxychromone, naringenin, quercetin, and iso-americanol A, were found first time in the barley tea, together with the known compounds, p-hydroxybenzaldehyde, 3,4-dihydroxybenzaldehyde, p-hydroxybenzoic acid, vanillic acid, and p-coumaric acid. The anti-oxidative properties were evaluated by measuring their peroxynitrite-scavenging activities. Among these compounds, 3,4-dihydroxybenzaldehyde, p-coumaric acid, quercetin, and isoamericanol A showed stronger activities than that of BHT (butylated hydroxytoluene) at 400 microM.
منابع مشابه
Tea Polyphenol Epigallocatechin 3-gallate Reverses the Anti-apoptotic Effects of Lowgrade Repetitive Stress through Inhibition of Akt and Nfkb Survival Pathways
Introduction Exposures to low grade oxidative stress has become a common phenomenon, in these days of increasing environmental stress. Therefore, it becomes extremely relevant to investigate the factors determining the anti-apoptotic influence of repetitive stress and to document whether repetitive or chronic use of naturally occurring compounds influence the antiapoptotic outcome of repetitive...
متن کاملThe Antioxidant Effect of Camellia Sinesison on the Liver Damage Induced by Tioacetamide in Male Mice
Abstract Background and Objective: Flavonoids play an important role in non-enzymatic reaction against oxidative stress. These are polyphenolic compounds in tea structure that could be reacted with free radicals and neutralized them. In this study, we investigated the anti-oxidant impact of Camellia Sinesis on the liver of thioacetamide -injected male albino mice. Material and Methods...
متن کاملPharmacological effects of green tea on the gastrointestinal system.
Green tea is rich in polyphenolic compounds, with catechins as its major component. Studies have shown that catechins possess diverse pharmacological properties that include anti-oxidative, anti-inflammatory, anti-carcinogenic, anti-arteriosclerotic and anti-bacterial effects. In the gastrointestinal tract, green tea was found to activate intracellular antioxidants, inhibit procarcinogen format...
متن کاملThe Effect of Green Tea versus Sour Tea on Insulin Resistance, Lipids Profiles and Oxidative Stress in Patients with Type 2 Diabetes Mellitus: A Randomized Clinical Trial
Background: By decreasing oxidative stress and whereby decreasing insulin resistance, it may be possible to decrease complications of Diabetes Mellitus (DM). Green tea and sour tea contain phytochemicals which have anti-oxidative function. The aim of this study is to compare the effect of sour and green tea consumption on insulin resistance and oxidative stress in DM.Methods: This study is a ra...
متن کاملPolyphenol Content and Antioxidant Effects in Herb Teas
Herb teas, Arabian jasmine, Balsam pear, Barley grass, Guava, Hardy rubber tree, Japanese persimmon, Jobs tears, Oolong tea, Puerh tea and Wolofberry have been consumed as beverages for health in Asia. Oxidative stress induces various diseases. Some of them, Arabian jasmine, Guava, Hardy rubber tree, Japanese persimmon, Oolong tea and Puerh tea, have high total polyphenol content and antioxidan...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- Bioscience, biotechnology, and biochemistry
دوره 68 12 شماره
صفحات -
تاریخ انتشار 2004