Vera (Gel): Aloe vera (L.) Burm.f., A. arborescens Mill. and other Aloe spp


Aloe Vera (Gel)


Aloe vera (L.) Burm.f., A. arborescens Mill. and other Aloe spp.


Synonym:


A. barbadensis Mill.


Family:


Xanthorrhoeaceae (Aloaceae); the genus Aloe has also been placed in the Liliaceae and Asphodelaceae


Other common names:


A. arborescens is also known as krantz aloe


Drug name:


Aloe vera; aloe vera ‘juice’


Botanical drug used:


Gel extracted from the internal tissues of the succulent leaf.


Main chemical compounds:


Polysaccharides (e.g. acemannan in A. vera and aloemannan in A. arborescens); glycoproteins (lectins) such as aloctin A and B, enzymes such as carboxypeptidases (Harlev et al. 2012; Reynolds and Dweek 1999; Rodríguez et al. 2010); hexadecanoic acid and sterols including sitosterol and stigmasterol (Bawankar et al. 2013). Traces of anthraquinones, such as aloin and aloe emodin, from cells of the fibrovascular bundles of leaf are present in varying amounts (Reynolds and Dweck 1999).


Clinical evidence:


There is a lack of evidence based on high quality clinical trials to support the topical use of aloe for treating acute or chronic wounds (Dat et al. 2012). Despite the paucity of evidence, data from a few other small trials suggest that topical A. vera may be effective in healing first- and second-degree burns, although these conclusions should be treated with caution (Maenthaisong et al. 2007).

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Nov 25, 2016 | Posted by in PHARMACY | Comments Off on Vera (Gel): Aloe vera (L.) Burm.f., A. arborescens Mill. and other Aloe spp

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