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The name "American Pima" was formally adopted by the United States government in 1970. [11] The American Pima market class was the result of government efforts to enable United States farmers to compete in the "Egyptian cotton" market. Circa 1900, the United States led in production of all the major market classes except Egyptian. H. J.
The American cotton variety Pima cotton is often compared to Egyptian cotton, as both are used in high quality bed sheets and other cotton products. While Pima cotton is often grown in the American southwest, [98] the Pima name is now used by cotton-producing nations such as Peru, Australia and Israel. [99] Not all products bearing the Pima ...
Supima is a non-profit trade association in the United States whose main objective is to promote the use of U.S. grown American Pima cotton around the world [1] and is involved in quality assurance and research programs. Founded in 1954, it derived its name from superior pima. [2]
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Natural color in cotton comes from pigments found in cotton; these pigments can produce shades ranging from tan to green and brown. [3] Naturally pigmented green cotton derives its color from caffeic acid, a derivative of cinnamic acid, found in the suberin (wax) layer which is deposited in alternating layers with cellulose around the outside of the cotton fiber.
Cotton seeds, containing up to 20% oil and 20% proteins, are potentially highly rich as food or feed. Nevertheless, small glands present in all the plant organs of the Gossypium species, except the roots, and especially abundant in the seeds, contain toxic chemicals, in particular the polyphenolic compound gossypol. The gossypol is highly toxic ...
Gossypol (/ ˈ ɡ ɒ s ə p ɒ l /) is a natural phenol derived from the cotton plant (genus Gossypium). Gossypol is a phenolic aldehyde that permeates cells and acts as an inhibitor for several dehydrogenase enzymes. It is a yellow pigment. The structure exhibits atropisomerism, with the two enantiomers having different biochemical properties. [1]
Thick garments made from awaska were worn as standard amongst the lower-classes of the Andean highlands, while lighter cotton clothing was produced on the warmer coastal lowlands. Peruvian Pima cotton, as used by the Incas, is still regarded as one of the finest cottons available on today’s market.