Tehran University of Medical Sciences Iranian Journal of Public Health 2251-6085 10 1-4 1981 06 15 17 24 B.Tavasolian S.Nikpour B.Makanvand 2015 10 03 Castor bean, peanut, Soy bean and safflower protein isolates were prepared. The amino acid content of each of the protein isolates was analysed and the essential amino acid contents were compared with the FAO human requirements. The results indicated that castor bean has the highest oil and the protein content of defatted meal. Safflower 3148 (Marand, Iran) has the highest amount of essential amino acids. Peanut (Gilan Iran) has the lowest content of essential amino acids, however, in comparison to human requirement 100 gram protein of this peanut still have enough amino acid for one man's day. The ash total protein and total oil of the mentioned seeds were also determined. https://ijph.tums.ac.ir/index.php/ijph/article/view/2812 https://ijph.tums.ac.ir/index.php/ijph/article/download/2812/2792