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| Articles by Ma tracy |
261. What is capsaicin
February 06, 2013
Capsaicin ((trans 8- methyl-N-vanillyl -6- nonene amide), the active ingredient of chili. For mammals including humans have irritating, also can form burning sensation in the oral cavity. Capsaicin and other associated compounds were called chili, they are secondary metabolites produced by pepper, m...
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262. The industrial production and excellent performance of silicon nitride
February 06, 2013
Due to the continuous development of science and technology needs, scientists have been constantly looking for high temperature, high hardness, high strength new materials. In the ranks of endless emerge new materials, silicon nitride ceramics can be said the best, very compelling, and increasingly ...
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263. Production methods of natural astaxanthin
February 06, 2013
Natural astaxanthin refers to extract natural astaxanthin oil from haematococcus pluvialis cells. The natural astaxanthin produced by different astaxanthin manufacturer is different in quality, and the quality of the natural astaxanthin is mainly depends on two aspects: haematococcus pluvialis culti...
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264. The discovery and history of resveratrol
February 04, 2013
Resveratrol was first discovered in 1939, a Japanese discovered this plant by chance, then extracted from the roots and take the name of resveratrol in 1940, which is the first origin of the name of resveratrol. It is a non-flavonoid polyphenolic compounds, has cis and trans two configuration, where...
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265. Nickel smelting
February 04, 2013
Nickel ore mining grade is generally containing 0.3 - 2% of nickel. Sulfide ore usually selecting copper-nickel mixed concentrate which containing 4 - 8% nickel by flotation. Some factories sorted nickel concentrate (10% nickel), copper concentrate and magnetic iron sulfur concentrate from mixed con...
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266. Beauty knowledge about biotin removing wrinkles
February 04, 2013
The beauty effect of biotin had been concerned only recently. In 1986, while Canadian doctor treating blepharospasm with biotin, he accidentally discovered its good effect on removing wrinkles, followed by, biotin is widely used in cosmetic raw material industry. The secret that biotin can remove w...
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267. Plant extracts industry step into transformation period
January 30, 2013
In recent years, the traditional export markets of the U.S plant extracts step into the stage of stable development, annual market growth rate is about 5%, in Spain, Mexico and other emerging market for the demand of plant extracts, especially the natural pigment is increasing a lot. Driven by these...
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268. Polysilicon
January 30, 2013
Polysilicon has gray metallic luster, density is 2.32 to 2.34, melting point is 1410?, boiling point is 2355?. Can dissolve in mixed hydrofluoric acid and nitric acid, does not dissolved in water, nitric acid and hydrochloric acid. Hardness between germanium and quartz, crisp at room temperature and...
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269. Synthetic astaxanthin has many hazards
January 30, 2013
Using chemical means synthesized astaxanthin will inevitably introduced impurities chemical substances, such as non-natural byproducts generated during the synthesis, etc., will reduce the security of its bioavailability. With the rise of natural astaxanthin, the management of the world to chemical ...
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270. Researching the origin of pepper spicy
January 29, 2013
Bolivia is the hometown of peppers, dozens of species of wild plants produced here may be pepper’s ancestors around the world. Pepper contains a emanate heat substance, capsaicin. The capsaicin can influence the taste buds, nerve cells and nasal mucosa. But what function does it in wild chili body i...
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Author: Ma tracy
