Selected species of edible insects as a source of nutrient composition
2015
Zielińska, Ewelina | Baraniak, Barbara | Karaś, Monika | Rybczyńska, Kamila | Jakubczyk, Anna
The aim of this study was to determine the nutritive value of edible insects and their in vitro cytotoxicity assays. The content of protein, fat, carbohydrates, ash, fiber, minerals, amino acids, and fatty acids in adult cricket (Gryllodes sigillatus), larvae of mealworm (Tenebrio molitor), and adult locust (Schistocerca gregaria) were analyzed. The protein content ranged from 52.35 to 76%. The fat percentage was in the range of 12.97–24.7%. Energy contribution varied from 1821 to 1896kJ/100g. Their amino acid profile was compared with the WHO/FAO/UNU Pattern (WHO, 2007). The highest degree of hydrolysis (DH) was noted in baked Gryllodes sigillatus (37.76%). All species were very rich in magnesium, copper, iron, and zinc and the mineral content was compared to recommended daily intakes (mg/day). The hydrolysates from raw, cooked, and baked insects were significantly stimulated or inhibited proliferation of human skin fibroblasts CRL-2522.
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