Aloe vera
True Aloe (Aloe vera)
The True Aloe (Aloe vera) is a species of the genus Aloe (Aloe ) in the subfamily Asphodelus ( Asphodeloideae ). The specific epithet vera comes from Latin and means 'true'.
- 3.1 " Curacao Aloe "
- 3.2 Aloe vera gel
- 4.1 Literature
- 4.2 Notes and references
Description
Vegetative characteristics
Aloe vera grows stemless or with short stems, is clumping and forming dense groups. The strain reached a circumference of up to 30 centimeters. The approximately 16 - lanceolate tapering leaves are densely arranged in rosettes on the trunk. Your 40 to 50 centimeters long and 6-7 centimeters wide leaf blade is gray-green and sometimes reddish tinge. The leaf surface is smooth. Are located at the edges slightly pink in the distance of 10 to 20 mm about 2 millimeters long, pale teeth fixed. The dried leaf juice is yellow.
Inflorescences and flowers
The simple or once or twice branched inflorescence is 60 to 90 inches long and bears cylindrical tapered grapes of 30 to 40 centimeters long and 5-6 centimeters wide. The ovate - acute, recurved bracts are 10 mm long and 3-5 mm wide. The yellow flowers sit at about 5 millimeters long pedicles. The about 28 to 30 millimeters long flowers are slightly curved and rounded at their base. At the level of the ovary, they have a diameter of 7 millimeters. Furthermore, it has expanded and eventually narrowed at the mouth. Your outer tepals are not fused together over a length of 18 millimeters. The stamens and the style protrude 3-5 mm from the flower.
Genetics
The chromosome number is 2n = 14
Systematics and distribution
The original home of Aloe vera may be located on the Arabian Peninsula. Sophistication it is in all subtropical and tropical regions of the world. In many regions of the kind now considered naturalized, including in the Mediterranean region, in India, the West Indian Islands, the Canary Islands and in Mexico.
The first scientific description as Aloe perfoliata var vera was made in 1753 by Carl Linnaeus. Nicolaas Laurens Burman got the variety in 1768 to the rank of a kind Philip Miller struck in the same year the name of Aloe barbadensis before and referred to the name Aloe vulgaris already used in 1620 by Caspar Bauhin. Because of Miller's later publication of species name Aloe vera has priority over the name of Aloe barbadensis.
More Aloe perfoliata var synonyms are barbadensis (Mill.) Aiton (1789 ), Aloe vulgaris Lam. (1783 ), Aloe elongata Murray ( 1789), Aloe flava pers. (1805 ), aloe barbadensis var chinensis Haw. (1819 ), Aloe chinensis ( Haw. ) Baker ( 1877), Aloe vera var chinensis ( Haw. ) A.Berger (1908 ) Aloe Indica Royle (1839 ), Aloe vera var littoralis J.König ex Baker (1880 ), aloe lanzae death. (1891 ), Aloe vera var lanzae ( Tod. ) Baker ( 1908) and Aloe vera var wratislaviensis Kostecka - Madalska ( 1953).
Use
" Curacao Aloe "
The True Aloe is officinal root plant of the " aloe ", one derived from the leaf juice by evaporation to dryness pharmaceutical drug. The juice flows after knocking off the leaves at the base of the plant spontaneously. By slow, gentle evaporation in the sun or in a vacuum is created the dull brown aloe hepatica type, with prompt, strapazierendes evaporation creates the deep brown, glassy Aloe - lucida - type with shiny fracture surfaces. The obtained from the Real Aloe " Aloe Curacao " contains as an essential ingredient of the 1,8- dihydroxy - derivative of aloin (25 to 40%, and 35 to 38%), which is a diastereomer mixture of aloin A and aloin B. Also included are the anthranoids aloe-emodin and chrysophanol and the bitter-tasting polyketide Aloeresin (mainly Aloeresin B). A characteristic feature is the presence of 7- Hydroxyaloin A and B, which is the separation from the Cape aloe. Aloinoside lacking.
The aloin contained in the Aloe has a strong laxative, so standardized Aloe or their preparations can be used for short-term treatment of occasional constipation. Prolonged intake of aloe can cause disturbances in water and electrolyte balance, especially potassium losses. In urine protein and blood may occur (proteinuria, hematuria). In overdose it comes to toxic symptoms which manifest themselves in spasmodic pain and severe diarrhea, which can lead to life-threatening electrolyte and water losses. Also, kidney infections are described. The therapeutic importance of " Aloe " has fallen against the background that there are better tolerated substances. "
Aloe vera gel
Another derived from the genuine product is the Aloe " Aloe Vera Gel " which is recovered from the water storage tissue of the leaves. By containing mainly composed of D-glucose and D-mannose polysaccharides, it has a slimy consistency. The gel may further include monosaccharides such as glucose, mannose, galactose and xylose, as well as water soluble vitamins, amino acids, amylase, alkaline phosphatase, lipase, and salicylic acid, as well as glycoproteins and Aloenine. Aloe vera gel is free from the laxative aloin, which occurs outside of the water storage tissue in the yellow sap under the bark sheet, provided care is recovery.
Aloe vera gel is cosmetically and popular medicine used in a number of applications. The gel can be attributed to anti-inflammatory, wound-healing and immune-stimulating properties.