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ObjectiveTo examine the phytochemical parameters of Aloe vera (A. vera) L. which can be used as a tool for its standardization.MethodsThe phytochemical analysis, solubility test, heavy metal analysis, antimicrobial study and quantitative analysis of gallic acid and berberine by HPTLC method were included in present study.ResultsPhytochemical analysis revealed the presence of alkaloid, carbohydrate, tannin, steroid, triterpenoid and glycoside. Total flavonoid and phenol content was found to be 1.9% and 13.11%. Concentartion of lead, arsenic, mercury and cadmium was found to be under the limit. Total bacterial count, yeast and moulds contents were found to be under the limit whereas Escherichia coli (E. coli) and salmonella was found to be absent in the extract. Quantitative analysis through HPTLC revealed the presence of 2.74% and 0.543% w/w of berberine and gallic acid.ConclusionsThe results indicate that the plant extract are rich in berberine and gallic acid implying their importance to human health. This investigation could be used as source of standard parameters which can play an important role in its standardization

Phytochemical standardization of Aloe vera extract by HPTLC techniques