| NUTRITIONAL VALUE OF THE FIELD CRICKET （GRYLLUS TESTACEUS WALKER） |
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| 作者姓名： | DunWang Yao-yuBai Jiang-hongLi Chuan-xiZhang |
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| 作者单位： | [1]InstituteofAppliedEntomology,ZhejiangUniversity,ZhejiangHangzhou310029,China [2]CollegeofForest,NorthwestSci-TechUniversityofAgricultureandForestry,ShannxiYangling712100,China／／InstituteofAppliedEntomology,ZhejiangUniversity,ZhejiangHangzhou310029,China |
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| 摘 要： | The chemical composition and the nutritional quality of protein, fatty acids and chitin of adult field cricket Gryllus testaceus Walker were investigated. The adult insect contalned: crude protein 58.3 %; fat 10.3 %, chitin 8.7 % and ash 2.96 % on dry matter basis respectively. The essential amino acid profile compared well with FAO/WHO recommended pattern except for cysteine and methionine. The fatty acid analysis showed unsaturated acid of the field cricket to be present in high quantities, and the total percentage of oleic acid, linolic acid and linolenic acid was 77.51%. The chitin content of the insect was 8.7 % with a better quality than the commercial chitin that was prepared from shells of shrimp and crab. Therefore the chemical composition of the field cricket indicates the insect to be a good supplement to nutrition for food and feed, even a raw material for medicine.
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| 关 键 词： | 蟋蟀 营养价值 营养成分 氨基酸 脂肪酸 甲壳素 壳聚糖 |
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