PHYTOCHEMICAL STUDY FOR THE CONTENTS OF HIBISCUS SABDARIFFA L. SEEDS CULTIVATED IN EGYPT

Document Type : Original Article

Author

Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, 71524 Assiut, Egypt

Abstract

A study of the protein, amino acids, minerals and lipids content for the seeds of Hibiscus sabdariffa L. was performed. Arginine, lysine, valine and phenylalanine were the major essential amino acids, besides glutamic, aspartic, glysine, serine and alanine. The seeds were found to be rich in magnesium (1.30%) and potassium contents (1.02%). Gossypol (polyphenolic bisesquiterpene) was detected in the pet. Ether and ether extracts of the seeds and estimated by HPLC (2.8x10-3 g.% w/w).