Junior Research Group Nutritional Concepts, Institute of Nutritional Science, Friedrich Schiller University Jena, Dornburger Str. 29, 07743 Jena, Germany.
Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) Jena-Halle-Leipzig, Dornburger Str. 25, 07743 Jena, Germany.
Mar Drugs. 2021 May 27;19(6):310. doi: 10.3390/md19060310.
The nutrient composition of 15 commercially available microalgae powders of , and , , , , and was analyzed. The powders were characterized by a high content of carbohydrates, saturated fatty acids (SFAs), omega-6-polyunsaturated fatty acids (n6-PUFAs), heavy metals, and α-tocopherol, whereas the protein amounts, essential amino acids (EAAs), omega-3-PUFAs (n3-PUFAs), vitamins, and minerals were low. In the powder of , ten times higher amounts of carotenoids compared to all other analyzed powders were determined, yet it was low in vitamins D and E, protein, and EAAs, and the n6/n3-PUFAs ratio was comparably high. Vitamin B, quantified as cobalamin, was below 0.02 mg/100 g dry weight (d.w.) in all studied powders. Based on our analysis, microalgae such as and may contribute to an adequate intake of critical nutrients such as protein with a high content of EAAs, dietary fibers, n3-PUFAs, Ca, Fe, Mg, and Zn, as well as vitamin D and E. Yet, the nutritional value of was slightly decreased by high contents of SFAs. The present data show that microalgae are rich in valuable nutrients, but the macro- and micronutrient profiles differ strongly between and within species.
对 15 种市售微藻粉（ 、 、 、 、 、 ）的营养成分进行了分析。这些 粉的特点是碳水化合物、饱和脂肪酸（SFAs）、ω-6 多不饱和脂肪酸（n6-PUFAs）、重金属和α-生育酚含量高，而蛋白质、必需氨基酸（EAAs）、ω-3 多不饱和脂肪酸（n3-PUFAs）、维生素和矿物质含量低。在 粉中，与所有其他分析的粉相比，类胡萝卜素的含量高十倍，但维生素 D 和 E、蛋白质和 EAAs 含量低，n6/n3-PUFAs 比值相对较高。维生素 B，以钴胺素形式存在，在所有研究的粉中均低于 0.02mg/100g 干重（d.w.）。根据我们的分析， 等微藻可能有助于摄入足够的关键营养素，如富含 EAAs 的蛋白质、膳食纤维、n3-PUFAs、Ca、Fe、Mg 和 Zn，以及维生素 D 和 E。然而，SFAs 含量高会降低 的营养价值。本研究表明，微藻富含有价值的营养成分，但不同种属和同种属内的宏量和微量营养素谱差异很大。
