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Profile:Manufacturer - Producer|Ref:PSL165257YH | Country: China | Currency: | Export: No
Aloe Vera L. Extract
Scientific Names: Aloe vera L.
The leaf gel of aloe, Aloe ferox MILLER and Aloe barbadensis MILLER (otherwise known as Aloe vera) [Fam. Aloaceae], has been used to soothe burns and heal wounds since ancient times, dating back at least 4000 years. In the New Testament (John 19:39) reference is made to an ointment made of myrrh and aloe to embalm the body of Jesus. Aloe was a secret beauty aid of Egyptian queens including Cleopatra and Nefertiti and was considered a "plant of immortality" in ancient Egypt. Soothing Aloe vera gel comes from the central part of the leaves while bitter laxative latex comes from cells closer to the leaf rind. In addition, a polysaccharide called acemannan from aloe leaf rind has been found to impair the ability of viruses, including retroviruses like HIV, to infect healthy T-cells. Traditional uses of aloe include for treating hives, insect stings and bites, rashes, sunburn, swelling and skin wrinkles. In a clinical trial to test the effect of Aloe vera gel and mild soap versus mild soap alone in preventing skin reactions in patients undergoing radiation therapy, a protective effect of adding aloe to the soap regimen was observed. Aloe vera was first valued as a trade commodity around the world for its laxative properties. The bitter latex is rich in anthraquinones including aloe-emodin and chrysophanol and is an effective laxative for acute constipation, although it is not recommended for chronic constipation due to its potentially lethal effects in high dosages. The German pharmacopoeia recommends aloe for treating acute constipation, for emptying the bowels before X-rays, before and after abdominal operations and for all disorders in which defecation with a soft stool is desired, e.g. anal fissures, hemorrhoids and after rectal operations. Human clinical trials also prove aloe effective for treating psoriasis, cankers and lowering blood sugar.
Aloe dried latex contains: Approximately 13-27% aloins A and B (barbaloin, aloin, and glucosyl diastereoisomers of aloe-emodin anthrone). Aside from aloinosides A and B, other hydroxyanthracene derivatives are also present. 5-hydroxyaloin is characteristic of Cape aloes while 7- hydroxyaloin is found in Barbados aloe; small amounts of anthraquinones including aloe-emodin and chrysophanol. Chromone derivatives including 25-40% aloeresins A and B and smaller amounts C. Aloenin B (aloenin A and p-coumaroyl-glucose); p-coumaric acid methyl ester also occurs. Aloe gel contains: water; polysaccharides including acemannan; fatty acids including gamma linolenic acid; prostaglandins; salicylic acid; saponins; sterols; vitamins E and C; minerals including zinc; 20 amino acids (out of 22 required by the human body); and lectins.
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