African Journal of
Biotechnology

  • Abbreviation: Afr. J. Biotechnol.
  • Language: English
  • ISSN: 1684-5315
  • DOI: 10.5897/AJB
  • Start Year: 2002
  • Published Articles: 12392

Full Length Research Paper

Roselle (Hibiscus sabdariffa L.) seeds as unconventional nutritional source

Mohamed A. Shaheen1*, Fathy S. El-Nakhlawy1 and Abdulmohsin R. Al-Shareef2
  1Arid Land Agriculture Department, Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdul-Aziz University, P. O. Box 80208, Jeddah 21589, Saudi Arabia. 2Geography and Information System Department, Faculty of Arts and Humanities, King Abdulaziz University, P. O. Box 80208, Jeddah 21589, Saudi Arabia.
Email: [email protected]

  •  Accepted: 30 April 2012
  •  Published: 22 May 2012

Abstract

 

The composition of roselle seed from oil, protein, ash, fiber, fatty acids and amino acids was determined and compared in three cultivars in order to use it as an unconventional nutritional source. Aswan cv. occupies the highest significant rank in protein (31.51), oil (23.70) and fiber (4.87%) contents. Aswan and Sewa cvs. had the highest significant unsaturated fatty acid composition, especially oleic and linoleic acids, with oleic acid having values of 36.22 and 33.34% and linoleic acid, 14.95 and 15.10% values. Protein of Aswan cv. had the highest significant values of seven essential amino acids and four non-essential amino acids, especially lysine and phenylalanine.

 

Key words: Amino acids, fatty acids, nutrition, oil, protein, roselle, unconventional crops.