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Comparative analysis of nutritional and harmful components in the Korean and Chinese mealworms (Tenebrio molitor)
- 언어ENG
- URLhttps://db.koreascholar.com/Article/Detail/288194
As a part of a study on insect food, the nutritional and harmful components in the mealworm (Tenebrio molitor) were analyzed. In addition, due to a recent introduction of live Chinese mealworm in the Korea market, those components between the Korean and Chinese mealworms were compared. Analysis of the composition of the general components (moisture, crude protein, crude fat, crude ash, crude fiber, and carbohydrates) showed that abundant crude protein (50.32– 52.79%) was present in both Korean and Chinese mealworm powders, and the protein content in the Chinese mealworm powder was higher than that in the Korean mealworm powder by 2.67%. The amino acid compositions were similar, but the fatty acid composition differed with respect to each component in the Korean and Chinese mealworm powders. The unsaturated fatty acid contents were 76.80-80.55% of the total fatty acid content in the mealworms. The linoleic acid contents in the Korean and Chinese mealworms were 20.8±1.1% and 34.69±1.9%; the linolenic acid contents, 0.47% and 1.31%; and the oleic acid contents, 51.40±0.9% and 40.20±1.5%, respectively. With respect to harmful components such as heavy metals and bacteria that cause food poisoning, bacteria such as Escherichia coli O157:H7 and Salmonella spp. were not detected in both Korean and Chinese mealworms, and the mercury content was below the standard value for common food (Korea, 0.03 mg/kg; China, 0.08 mg/kg).
