Zielińska Ewelina, Pankiewicz Urszula
Department of Analysis and Food Quality Assessment, University of Life Sciences in Lublin, Skromna 8 Street, 20-704 Lublin, Poland.
Foods. 2023 Oct 3;12(19):3654. doi: 10.3390/foods12193654.
Several types of proteins are used in athletes' supplementation; nevertheless, given the problem of protein deficiency in the world and the growing need for ecological sources of protein, it is very interesting to study the quality of alternative protein sources, such as insect protein. This study investigated the nutritional value, micronutrient content, amino acid profile, and chemical score of banded cricket protein quality in the form of flour, defatted flour, and a protein preparation, as well as popular commercial protein supplements. In addition, in vitro digestion was performed, and the antiradical activity of the hydrolysates was compared. Generally, the defatted cricket flour was the most similar to commercial supplements regarding nutritional value because it contained 73.68% protein. Furthermore, the defatted flour was abundant in essential minerals, such as iron (4.59 mg/100 g d.w.), zinc (19.01 mg/100 g d.w.), and magnesium (89.74 mg/100 g d.w.). However, the protein preparation had an amino acid profile more similar to that of commercial supplements (total content of 694 mg/g protein). The highest antiradical activity against ABTS was noted for the defatted flour (0.901 mM TE/100 g) and against DPPH for the cricket flour (2.179 mM TE/100 g). Therefore, cricket can be considered an organic protein source for the production of valuable protein supplements.
运动员补充剂中使用了几种类型的蛋白质；然而，鉴于全球蛋白质缺乏问题以及对生态蛋白质来源的需求不断增加，研究替代蛋白质来源（如昆虫蛋白）的质量非常有趣。本研究调查了面粉、脱脂面粉和蛋白质制剂形式的带状蟋蟀蛋白质质量的营养价值、微量营养素含量、氨基酸谱和化学评分，以及流行的商业蛋白质补充剂。此外，还进行了体外消化，并比较了水解产物的抗自由基活性。总体而言，脱脂蟋蟀粉在营养价值方面与商业补充剂最为相似，因为它含有73.68%的蛋白质。此外，脱脂面粉富含必需矿物质，如铁（4.59毫克/100克干重）、锌（19.01毫克/100克干重）和镁（89.74毫克/100克干重）。然而，蛋白质制剂的氨基酸谱与商业补充剂更相似（蛋白质总含量为694毫克/克）。脱脂面粉对ABTS的抗自由基活性最高（0.901毫摩尔TE/100克），蟋蟀粉对DPPH的抗自由基活性最高（2.179毫摩尔TE/100克）。因此，蟋蟀可被视为生产有价值蛋白质补充剂的有机蛋白质来源。
