Difference between revisions of "Areca catechu"

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Betel nut (Areca catechu) is chewed regularly by at least 10% of the world population, imported by immigrant users wherever they settle, and is the fourth most widely used addictive substance. It is thought, by users, to soothe the digestion and to be a stimulant and its use has a major role in social situations. Specific arecal alkaloids act as competitive inhibitors of GABA receptors and have widespread effects in the body, including actions on the brain, cardiovascular system, lungs, gut and pancreas. Nitrosated derivatives of arecal alkaloids, proven carcinogens inducing tumours throughout the upper gut and foregut derivatives in animals, are also associated with increased tumour risks in man. These nitrosated compounds are also diabetogenic in CD1 mice, producing a type 2 diabetes with obesity. Increased central obesity is found in association with betel usage in man as well as increases in circulating markers of inflammatory and cardiovascular damage. The effects of chronic betel usage in man are at least as diverse as those of smoking and the habit increases the risks of ill health.
 
Betel nut (Areca catechu) is chewed regularly by at least 10% of the world population, imported by immigrant users wherever they settle, and is the fourth most widely used addictive substance. It is thought, by users, to soothe the digestion and to be a stimulant and its use has a major role in social situations. Specific arecal alkaloids act as competitive inhibitors of GABA receptors and have widespread effects in the body, including actions on the brain, cardiovascular system, lungs, gut and pancreas. Nitrosated derivatives of arecal alkaloids, proven carcinogens inducing tumours throughout the upper gut and foregut derivatives in animals, are also associated with increased tumour risks in man. These nitrosated compounds are also diabetogenic in CD1 mice, producing a type 2 diabetes with obesity. Increased central obesity is found in association with betel usage in man as well as increases in circulating markers of inflammatory and cardiovascular damage. The effects of chronic betel usage in man are at least as diverse as those of smoking and the habit increases the risks of ill health.
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"Apparently, most seeds from a dwarf Areca catechu will NOT produce dwarfs. I have talked a few times with Roy at H. Eunice Nursery in Hilo about this. My guess is that Roy has germinated more of these than most of us. And his experience is that the seeds from a dwarf will produce everything ranging from true dwarfs to the standard tall betel nut and everything in between. And you can't really tell what it will end up being until the plant is about 1 ft to 1.5 ft tall." (BGL)
 
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==External Links==
 
==External Links==

Revision as of 23:20, 22 July 2014

Areca (ah-REHK-ah)
catechu (kah-TEH-choo)
Areca catechu again.jpg
[http://www.hawaii.edu/lyonarboretum/ Lyon Arboretum
Scientific Classification
Genus: Areca (ah-REHK-ah)
Species:
catechu (kah-TEH-choo)
Synonyms
None set.
Native Continent
Asia
Asia.gif
Morphology
Habit: Solitary
Leaf type: Pinnate
Culture
Survivability index
Common names
(Filipino: bunga, Malay: pinang, Malayalam: adakka),

Habitat and Distribution

Areca catechu is found in Bangladesh, Bismarck Archipelago, Cambodia, Caroline Is., China South-Central, Fiji, Hainan, India, Laos, Malaya, Marianas, New Guinea, Philippines, Society Is., Solomon Is., Sri Lanka, Sulawesi, Taiwan, Thailand, Vanuatu, and Vietnam.

Thailand.

Description

Reaching 60 feet (20 meter) tall; trunk diameter is 8 - 12 inch (20 – 30 cm). Trunk: solitary, slender and erect. Origin: Indonesia, but now also growing in Suriname. Leaf: up to 7' long, broad leaflets, the tips being jagged. Flower stalk: whitish; sweet scented; from below the crown shaft on a branching spadix. Fruit: orange-yellow when ripe, to 2.5 inch long (betel nuts). It has a fleshy pericarp and fibrous mesocarp. Seed: Areca catechu is grown for the important seed crop, the Betel nut. The nut itself is brown, oval and flattened at one end. Editing by edric.

Culture

An easily grown palm for both the tropics and warm sub-tropical areas (it is cold sensitive). It prefers shade as a seedling, but it does take full sun at quite a young age. It likes a moist, well drained soil, and doesn't like to dry out.

Comments and Curiosities

External Links

References

Phonetic spelling of Latin names by edric.

Special thanks to Geoff Stein, (Palmbob) for his hundreds of photos.

Special thanks to Palmweb.org, Dr. John Dransfield, Dr. Bill Baker & team, for their volumes of information and photos.

Glossary of Palm Terms; Based on the glossary in Dransfield, J., N.W. Uhl, C.B. Asmussen-Lange, W.J. Baker, M.M. Harley & C.E. Lewis. 2008. Genera Palmarum - Evolution and Classification of the Palms. Royal Botanic Gardens, Kew. All images copyright of the artists and photographers (see images for credits).


Many Special Thanks to Ed Vaile for his long hours of tireless editing and numerous contributions.

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