دانلود رایگان مقاله انگلیسی اثرات سودمند چای سبز: یک مرور منابع به همراه ترجمه فارسی
عنوان فارسی مقاله | اثرات سودمند چای سبز: یک مرور منابع |
عنوان انگلیسی مقاله | Beneficial effects of green tea: A literature review |
رشته های مرتبط | پزشکی و کشاورزی، گیاهان دارویی و طب سنتی |
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کیفیت ترجمه | کیفیت ترجمه این مقاله متوسط میباشد |
نشریه | BMC |
مجله | طب چینی – Chinese Medicine |
سال انتشار | 2010 |
کد محصول | F554 |
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ترجمه فارسی رایگان (PDF) |
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جستجوی ترجمه مقالات | جستجوی ترجمه مقالات |
فهرست مقاله: چکیده مقدمه چای سبز ترکیب چای سبز فلاونویید ها تیروبکین ها و تیفلاوین ها مزایای سلامتی چای سبز در انسان وحیوان اثرات بر روی جذب یون های فلزی اثرات بر روی آنزیم های متابولیزه کننده دارو اثرات بر روی مارکر های انتی اکسیدان و تنش اکسایشی اثرات بر روی متابولیسم کربوهیدرات اثرات EGCH بر روی دیابت ها اثرات بر روی چاقی اثرات نامطلوب چای سبز نتیجه گیری |
بخشی از ترجمه فارسی مقاله: مقدمه |
بخشی از مقاله انگلیسی: Background In recent years, the health benefits [1] of consuming green tea, including the prevention of cancer [2] and cardiovascular diseases [3], the anti-inflammatory [4], antiarthritic [5], antibacterial [6], antiangiogenic [7], antioxidative [8], antiviral [9], neuroprotective [10], and cholesterol-lowering effects [11] of green tea and isolated green tea constituents are under investigation. However, adding green tea to the diet may cause other serious health concerns. The health-promoting effects of green tea are mainly attributed to its polyphenol content [12], particularly flavanols and flavonols, which represent 30% of fresh leaf dry weight [1]. Recently, many of the aforementioned beneficial effects of green tea were attributed to its most abundant catechin, (-)-epigallocatechin-3-gallate (EGCG) [13-15]. Green tea extracts are more stable than pure epigallocatechin gallate, one of the major constituents of green tea, because of the presence of other antioxidant constituents in the extract [8]. In general, herbal medicines are complex mixtures of different compounds that often act in a synergistic fashion to exert their full beneficial effect [11]. However, relatively few herbal medicines have been well characterized and their efficacy demonstrated in systematic clinical trials as compared to Western drugs. This review article highlights the recent research on the efficacy, action mechanisms, and side effects of green tea and its catechins in in vitro, in vivo, and ex vivo systems [16]. The review on green tea and its catechins focused on language literature in English. The literature search was conducted in the following databases: Pubmed (1980- 2009), EMBASE (1980-2009), Allied and complementary Medicine Database (AMED, 1985-2009) and China Journals Full Text Database (1975-2009). The keywords used were selected from the following terms: green tea, catechins, anticancer, diabetes, polyphenols, in vivo studies, general pharmacology and toxicology. The health benefits and adverse effects of green tea and its catechins were reviewed. The authors read full articles and reached consensus after discussion. Articles included in the study covered the following effects of green tea: (1) the health benefits in humans and animals, (2) absorption of metal ions and drug-metabolizing enzymes, (3) antioxidation and inhibition of oxidative stress, (4) carbohydrate metabolism and diabetes mellitus, and (5) adverse effects. A total of 105 peer-reviewed papers in English were selected for this review. Green tea Tea is one of the most popular beverages consumed worldwide. Tea, from the plant Camellia sinensis, is consumed in different parts of the world as green, black, or Oolong tea. Among all of these, however, the most significant effects on human health have been observed with the consumption of green tea [17]. The first green tea was exported from India to Japan during the 17th century. It is estimated that about 2.5 million tons of tea leaves are produced each year throughout the world, with 20% produced as green tea, which is mainly consumed in Asia, some parts of North Africa, the United States, and Europe [18]. The association between tea consumption, especially green tea, and human health has long been appreciated [19,20]. Green tea and black tea are processed differently during manufacturing. To produce green tea, freshly harvested leaves are immediately steamed to prevent fermentation, yielding a dry, stable product. This steaming process destroys the enzymes responsible for breaking down the color pigments in the leaves and allows the tea to maintain its green color during the subsequent rolling and drying processes. These processes preserve natural polyphenols with respect to the health-promoting properties. As green tea is fermented to Oolong and then to black tea, polyphenol compounds (catechins) in green tea are dimerized to form a variety of theaflavins, such that these teas may have different biological activities. |