Open access · Peer reviewed · No APCs
Research ArticlePharmacognosy MagazineVol. 5 | Issue 17 | 2009 | pp. 61–66Open access
Quantification of flavonoids of Psidium guajava L. preparations by Planar Chromatography (HPTLC)
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- 1,
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- 1 Department of Pharmacognosy, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt.
Published in Pharmacognosy Magazine
Correspondence: S. M. El Sohafy
Department of Pharmacognosy, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt.
Email: Samahelsohafy@yahoo.com
Copyright: © 2009 Manuscript Technomedia. This is an open access article.
- Published:
- Jan 1, 2009
- Received:
- Aug 28, 2008
- Accepted:
- Nov 6, 2008
How to cite
Sohafy, S. M. E., Metwalli, A. M., Harraz, F. M., & Omar, A. A. (2009). Quantification of flavonoids of Psidium guajava L. preparations by Planar Chromatography (HPTLC). Pharmacognosy Magazine, 5(17), 61–66.
Abstract
Guava leaves, as most medicinal plants used in folk medicine, lack any systematic methodology needed to demonstrate genuine efficacy. The method described in this study is the first step towards establishing consumer confidence in guava preparations and demonstrates the use of HPTLC-UV to quantify the quercetin content of Psidium guajava L. leaves (quercetin content of the leaves ranged from 0.181 – 0.393 %) The results obtained were accurate (recovery ranged from 96 – 97.20 %) and precise (% RSD 0.856 and SD 0.01).
Keywords
Subject
Article metadata
| Title | Quantification of flavonoids of Psidium guajava L. preparations by Planar Chromatography (HPTLC) |
|---|---|
| Authors | S. M. El Sohafy; A. M. Metwalli; F. M. Harraz; A. A. Omar |
| Affiliations | Department of Pharmacognosy, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt. |
| Corresponding author | Samahelsohafy@yahoo.com |
| Journal | Pharmacognosy Magazine |
| Volume / Issue | Vol. 5, Issue 17 (2009) |
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