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Tea and Diabetes with past research

By :Iresh Deemal 0 comments
Tea and Diabetes with past research

Diabetes is degenerative diseases that must be managed or kept in check, but cannot be cured. There are an estimated 422 million diabetics in the world [World Health Report 2014].

There are two types of diabetes: type 1 or insulin-dependent diabetes mellitus [IDDM] and type 2 or non-insulin- dependent diabetes mellitus [NIDDM]. Appromaxiatly 90per cent of diabetes has NIDDM, which manifests in adults.

In Britain, in a population of nearly 59 million, there are at least one million people with NIDDM, most of them over 40 years. According to National Statics, the total number of diabetes in Britain is predicted to be 1.51 million by 2023.

Insulin-like Activity of Tea and Others Extracts

Broadhurst et al.[2000] tested extracts from 49 different plants for insulin-dependent utilization of glucose oxidation. Adipocytes isolated from fat 'pads' taken from the rat epididymis, the duct carrying sperm to the vas deferens, are a suitable means of bioassay in such studies.

Tea against Diabetic Hyperglycaemia and Cataracts

The enzyme catalyzes the hydrolysis of starch to glucose. Catechine in tea is known to inhibit activity in the human small intestine [Hara 1997], and by this means could server to reduce glucose levels in the blood.

Black tea significantly reduced blood glucose levels in rats in which diabetes had been induced by streptozotocin [STZ] [Gomes et al., 1995]. The tea had both preventive and curative effects on diabetic rats [Green tea is also known to be effective].

In another study, rats were injected with STZ to induce diabetes, one week before their diet was supplemented with green or black teas for three months [Vinson et al., 2001]. Diabetes, indicated by high blood glucose and diabetic cataracts, was significantly inhibited by both teas. In addition, green tea significantly decreased blood lipids.

Tea, which in this case happened to be grown with organic inputs only, was administered to normal albino mice, where it caused a significant decrease in blood glucose, or hypoglycemia, after 30 minutes, with the minimum level at two hours [Shenoy, 2000]. Normal blood glucose was restored after eight hours.

The tea – treated mice showed a significant decrease in blood glucose in a glucose tolerance test, one hour after they were given glucose.

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