Evaluation of proximate compositions and profiling of nutritional aspects in pupae of tasar silkworm Antheraea mylitta (Drury) as potential for food and feed resources

IF 0.6 Q4 ENVIRONMENTAL SCIENCES

Journal of environmental biology Pub Date : 2023-06-03 DOI:10.22438/jeb/44/3(si)/jeb-13

S. Ananta, K. Jena, S. Das, J. Singh, M. Chakrapani, A. Sinha, K. Sathyanarayana

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Abstract

Aim: To investigate the proximate compositions, amino acids profile, phenols, flavonoids, fatty acids and minerals in Tasar silkworm pupae and assessment of biological potential of pupae extracts. Methodology: Biochemical composition such as proteins, fat, carbohydrate, chitin, ash, moisture and minerals were analyzed in Tasar silkworm pupae. The amino acid, vitamins, phenolics and flavonoid, fatty acids and free radical scavenging assay were evaluated. Results: The pupae powder contained 11.23% moisture, 60.67% crude protein, 23.83% fat, 3.29% carbohydrate, 5.1% ash and 3.87% chitin on a dry matter basis. Further, the pupae protein contained 19 amino acids, including all of the essential amino acids. Similarly, the pupae powder contained both water and fat soluble vitamins with higher content of tocopherol (13.23 µg 100 gm-1), phenolics compounds majorly ferulic acid (1317.5 µg gm-1) and p-coumaric acid (730.96 µg gm-1), flavonoids catechin (40.771 µg gm-1) and myricetin (12.466 µg gm-1) at higher levels and fatty acid with higher palmitic acid content (6.565 mg g-1). Mineral analysis indicated higher magnesium (208 mg 100 gm-1), calcium (47.79 mg 100gm-1) and iron (37.72 mg 100 gm-1) contents. Further, pupae extract exhibited free radical scavenging potential in a concentration-dependent manner. Interpretation: The results of the study indicate tasar pupae as a renewable and sustainable source for preparation of animal feeds. Key words: Antheraea mylitta, Antioxidants, Tasar pupae

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作为食物和饲料资源潜力的塔萨尔蚕Antheaea mylitta（Drury）蛹的主要成分评估和营养成分分析

目的：研究塔萨尔蚕蛹的主要成分、氨基酸组成、酚类、黄酮类、脂肪酸和矿物质，并评价蚕蛹提取物的生物学潜力。方法：对塔萨尔蚕蛹的蛋白质、脂肪、碳水化合物、几丁质、灰分、水分和矿物质等生化成分进行分析。对氨基酸、维生素、酚类和类黄酮、脂肪酸和自由基清除试验进行了评价。结果：以干物质计，蚕蛹粉含水分11.23%，粗蛋白60.67%，脂肪23.83%，碳水化合物3.29%，灰分5.1%，甲壳素3.87%。此外，蛹蛋白含有19个氨基酸，包括所有必需氨基酸。同样，蛹粉含有较高含量的水溶性和脂溶性维生素，生育酚（13.23µg 100 gm-1）、酚类化合物，主要是阿魏酸（1317.5µg gm-1）和对香豆酸（730.96µg gm-2）、黄酮类儿茶素（40.771µg gm-3）和杨梅素（12.466µg gm-），棕榈酸含量较高的脂肪酸（6.565 mg g-1）。矿物分析表明镁（208 mg 100 gm-1）、钙（47.79 mg 100 gm-2）和铁（37.72 mg 100 gm-3）含量较高。此外，蛹提取物以浓度依赖的方式表现出清除自由基的潜力。解释：研究结果表明，tasar蛹是一种可再生和可持续的动物饲料制备来源。关键词：箭花，抗氧化剂，塔萨尔蛹

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