Abstract：The nutritional composition of green alga Scenedesmus (Desmodesmus) armatus B38 separated from tropical freshwater area in Hainan was analyzed and the protein value of the alga was assessed by essential amino acid index (EAAI), ratio of essential amino acids (AAS), ratio coefficient of amino acids (RC), score of ratio coefficient (SRC), and compactness to provide reference for the comprehensive utilization of the alga. The results showed that the green alga B38 was rich in oil (14%), carbohydrates (13.86%), fiber (3.52%), and ash (4.28%) and high in protein (49.0%). There were 23 kinds of fatty acids, with total amino acid content of 852.58 mg/g protein, 47.45% of essential amino acids in the microalga B38, with EAAI of 85.42%. The two models indicated that the AAS were close to each other, both above 65, and the amino acid quality of the substance was close to 1 (0.93 and 0.88) in close proximity to the model protein. A total of 23 mineral elements were detected from the microalga B38, with abundant contents of sodium, potassium, calcium, magnesium, iron and aluminum. The content of heavy metals was found to be lower than the national food hygiene standards, and the amounts of vitamin B3 (106.02 mg/100 g) and vitamin E (540.77 mg/100 g) in the microalga B38 was higher, which is rich in nutrients and can be further developed and utilized.
曹猛, 王盛林, 刘平怀, 潘孝妍, 王秀海. 栅藻B38营养成分分析及蛋白质营养价值评价[J]. 水产科学, 2020, 39(1): 103-110.
CAO Meng, WANG Shenglin, LIU Pinghuai, PAN Xiaoyan, WANG Xiuhai. Nutritional Composition and Evaluation of Protein in Green AlgaScenedesmus (Desmodesmus) armatus B38. Fisheries Science, 2020, 39(1): 103-110.
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2020, Vol. 39 
