An overview of a national park and its benefits to humans and animals

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An overview of a national park and its benefits to humans and animals

Theaceae Common Name s: Teagreen teablack teaoolong teaVeregen Uses Tea is traditionally consumed as a beverage.

Evidence from clinical trials suggests that green tea plays a role in metabolic syndrome because it may have an impact on body weight, glucose homeostasis, and other cardiovascular risk factors. It has yet to be determined whether green tea is an agent in cancer prevention; however, a role in the prevention of stroke has been suggested.

Topical applications have been studied for protection from ultraviolet UV damage, and a commercial preparation has been approved for use in the treatment of anogenital warts.

Green tea extract should not be taken on an empty stomach due to the potential for hepatotoxicity from excessive levels of epigallocatechin gallate. Contraindications Contraindications have not been identified; however, use caution when hepatic failure is present.

Interactions Vitamin K present in green tea may antagonize the anticoagulant effect of warfarin. Green tea consumption reduces the bioavailability of folic acid and may interfere with the absorption of iron. Green tea may stop bortezomib Velcade from working properly.

Patients taking bortezomib should not drink green tea or consume any green tea products. Adverse Reactions There are no reports of clinical toxicity from daily tea consumption as a beverage. Adverse events include headache, dizziness, and GI symptoms. Hepatotoxicity, including 1 fatality, has been associated with high plasma levels of epigallocatechin gallate or its metabolites.

High-dose oral green tea extract and catechins were hepatotoxic in rats. Botany Black, oolong, and green tea are produced from the leaves of C. This evergreen shrub or tree grows to over 9 m in height and is pruned from 60 cm to 1.

An overview of a national park and its benefits to humans and animals

Its dark green, serrated-edged leaves are alternate and oval, while its white and fragrant blossoms appear singly or in clusters. Oolong tea is produced by a process intermediate to that of green and black tea. History The dried, cured leaves of C. Traditional Chinese medicine has recommended drinking green tea for the prevention of ill health, and in Asia, this is still regarded as a healthy practice.

Other tea constituents include tannins, essential oils, riboflavin, niacin, folic acid, ascorbic acid which is present in fresh leaf but destroyed in making black teapantothenic acid, malic and oxalic acids, manganese, potassium, magnesium, and fluoride.

The primary difference between green and black tea derives from the fermentation process required to produce black tea. The catechins are converted to the higher molecular weight theaflavins absent in green tea.

Less fermentation results in an intermediary, lighter tea known as oolong tea. The addition of milk to tea does not affect the bioavailability of catechins, but may alter the antioxidant potential, depending on the fat content. Randomized, double-blind clinical trials have demonstrated the efficacy of the ointment Veregenwhich is considered to act via antiviral, immunomodulatory, antioxidant, and antiangiogenesis mechanisms.

Comprehensive reviews are available, but are limited in their findings because the studies included are too heterogeneous for meaningful comparisons.

American Humane

A Cochrane meta-analysis of the effects of green tea in cancer has found insufficient and conflicting evidence to support a preventative role. Doses used experimentally may not reflect usual tea consumption, and there may be a combination of effects or a combination of active compounds acting to produce the relationships reported in epidemiological studies.

A reduction in LDL cholesterol was found for green tea, but no effect on high-density lipoprotein HDL cholesterol was established. The pharmacological impacts are uncertain; however, several researchers have proposed a number of mechanisms by which it may act on the CNS that include free radical scavenging, iron-chelation, anti-inflammatory effects as well as modulation of enzymes involved in processing amyloid precursor protein.

Animal experiments have shown positive findings for Alzheimer and Parkinson disease models.

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Bone strength and fracture rates were not reported; therefore, extrapolation to a human application is difficult. Long-term human studies are needed that include outcomes of bone fracture and examination of the bone micro-architecture before conclusive recommendations can be made.

Stroke acute cerebrovascular episode Large epidemiological studies have shown an inverse association between green tea consumption and the incidence of stroke. Smaller case control studies, however, provide equivocal results.Dear Twitpic Community - thank you for all the wonderful photos you have taken over the years.

An overview of a national park and its benefits to humans and animals

We have now placed Twitpic in an archived state. 1. Introduction link to this section. Humans have traditionally improved the places in which we live and work to increase our comfort and productivity.

Animal Research: How It Benefits Both Humans and Animals. Sacramento, CA – From preventing polio to finding cures for cancer patients, animal research has saved countless lives. Using animals in research is a concern to some; however, the benefits derived from the ethical, humane use of laboratory animals for biomedical research are huge.

Similarly, management approaches vary dramatically with time and place, from total exclusion of humans to the kind of lived-in, protected cultural landscapes that characterize European national parks.

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Green Tea Uses, Benefits & Dosage - Herbal Database