ANTIOXIDANT PROPERTIES OF SELECTED TEAS KNOWN AS FOOD SUPPLEMENTS
نویسندگان
چکیده
منابع مشابه
Evaluation of selected food supplements containing antioxidants.
Seven commercial food supplements present on the Polish market were evaluated for their in vitro antioxidant capacity. The selected products were in the form of hard gelatin capsules. They contained the extracts from chokeberry, cranberry, blueberry and green tea. The mixture of vitamins and minerals as well as the product containing vitamin C in substantial dose were included into comparison. ...
متن کاملThe Measurement of Antioxidant Capacity and Polyphenol Content in Selected Food Supplements.
Oxidative stress (OS), defined as a disturbance in the balance between the production of reactive oxygen species (ROS) and antioxidant defenses, can result in the development of many serious diseases like diabetes or cancer. Moreover, the role of oxidative stress in the acceleration of the aging process is also confirmed. ROS are constantly produced in the natural biochemical processes, mainly ...
متن کاملHow Safe are Antioxidant Food Supplements Containing Selenium?
Three antioxidant food supplements were analysed for selenium (Se) and its species. Sample A main constituents were coenzyme Q10, selenium (as medical yeast), vitamin C and natural vitamin E. The product is used for maintaining health and strengthening physical and mental abilities, stimulating the immune system, inhibiting the development of atherosclerosis, strengthening a weakened heart. Sam...
متن کاملAntioxidant properties and TLC characterization of four Chilean Haplopappus-species known as bailahuén.
"Bailahuén" is the common name of a medicinal shrub native to Chile where this resinous herb is widely used for its liver stimulating properties. Although the official species is Haplopappus baylahuen Remy (Asteraceae), other species of the same genus are also used in different regions as "bailahuén". A thin layer chromatography (TLC) method for rapid identification of different species and det...
متن کاملEvaluation of the antioxidant properties of fruit and flavoured black teas
OBJECTIVE Antioxidant properties of the water extracts of the commercial bagged fruit and flavoured black teas were evaluated and compared with typical black teas of C. sinensis. METHODS Folin-Ciocalteu (FC) assay, cupric ion reducing antioxidant capacity (CUPRAC) and DPPH radical method were used for these purposes. The content of selected flavonoids and phenolic acids was also determined by...
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ژورنال
عنوان ژورنال: Zywnosc.Nauka.Technologia.Jakosc/Food.Science.Technology.Quality
سال: 2010
ISSN: 1425-6959
DOI: 10.15193/zntj/2010/72/112-122