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Tropical Journal of Pharmaceutical Research
Pharmacotherapy Group, Faculty of Pharmacy, University of Benin, Benin City, Nigeria
ISSN: 1596-5996
EISSN: 1596-5996
Vol. 9, No. 4, 2010, pp. 387-394
Bioline Code: pr10046
Full paper language: English
Document type: Research Article
Document available free of charge

Tropical Journal of Pharmaceutical Research, Vol. 9, No. 4, 2010, pp. 387-394

 en Quality control tests on Andrographis paniculata nees check for this species in other resources (family: acanthaceae) - An Indian 'Wonder' plant grown in Nigeria
Ameh, Sunday J.; Obodozie, Obiageri O.; Inyang, Uford S.; Abubakar, Mujitaba S. & Garba, Magaji


Purpose: To characterize the aerial parts of Andrographis paniculata check for this species in other resources , a bitter Indian herb grown in Nigeria, for the purpose of quality control.
Methods: The determination of bitterness value and of various physicochemical characteristics; tests for key phytochemicals; and thin layer chromatography (TLC) of the air-dried herb, were carried out as prescribed in standard texts.
Results: The mean bitterness value of the herb for both men and women was 2.86 ± 1.74 x 10 3 units per g. The male value (2.07 ± 1.42 x 10 3 ) appeared to be lower than the female′s (3.52 ± 1.82 x 10 3 ) but the difference was not statistically significant. The results (% w/w) of loss on drying (10.64 ± 0.36), total ash (14.10 ± 4.49), water extractive value (30.37 ± 2.63) and acid insoluble ash (1.00 ± 0.06) were similar to those reported for the Asian plant. The phytochemical tests revealed the presence of glycosides, saponins, tannins and alkaloids, but not of anthraquinones. Normal phase TLC of the drug yielded 5 spots as against 6 spots yielded by reverse TLC.
Conclusion: The results provide useful quantitative and descriptive data that are essential for identifying and characterizing the Nigerian grown herb for the purpose of quality control; and confirm key similarities between the Nigerian and the Asian plant.

Andrographis paniculata, Quality control, Bitterness value, Physicochemical, Phytochemical, Chromatography

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