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Comparative Study of Nutritional Importance of Some Marine Macroalgae as a Novel Natural Source of Amino Acids

机译:将一些海洋大甲糖果为新型氨基酸源的营养重要性的比较研究

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摘要

This study aimed to investigate the amino acids contents of some brown (Hormophysa cuneiformis, Sargassum muticum, and Padina minor), red (Digenea simplex, Amphiroa anceps, and Corallina mediterranea), and green macroalgae (Codium elongatum, Ulva fasciata, and Cladophora sp.) collected from the Egypt coasts, using an Eppendorf/Biotronik LC 3000 amino acid analyzer. The results showed that the total amino acid content ranged from 11.84 +/- 0.55 mg/g dry weight (DW) in D. simplex to 33.43 +/- 1.29 mg/g DW in U. fasciata. Threonine and L-methionine were the major essential amino acids (EAAs) in red and brown macroalgae, respectively, whereas in green macroalgae, the major EAAs varied between macroalgae species as follows: L-lysine in C. elongatum, L-leucine in U. fasciata, and L-valine in Cladophora sp. L-aspartic and L-glutamic acids together represented a large portion of the amino acid content. The high content of EAAs in all the species under study makes them an important resource for nutritional applications.
机译:本研究旨在研究一些棕色(激素Symentx,Sargassum Muticis,Sargassum Muticis,Sargassum Muticumis,Sargassum Muticum和Padina次要)的氨基酸含量,红色(Digenea Simplex,Amphiroa Anceps和Corallina Mediterranea),以及绿色大草原(Codium Elongatum,Ulva Fasciata和Cladophora sp 。)从埃及海岸收集,使用Eppendorf / Biotronik LC 3000氨基酸分析仪。结果表明,在U. fasciata的D.Ximplx中的总氨基酸含量为11.84 +/- 0.55mg / g干重(dw)。苏氨酸和L-甲硫氨酸分别是红色和棕色大甲骨的主要必需氨基酸(eaas),而在绿色大甲群中,主要的EAAS在大草原种类之间变化如下:L-赖氨酸在C. elongatum,U中的L-亮氨酸。Fasciata,和L-缬氨酸在Cladophora sp。 L-天冬氨酸和L-谷氨酸一起代表大部分氨基酸含量。在研究的所有物种中,EAA的高含量使它们成为营养应用的重要资源。

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