| 林伟民， 连晓东， 霍伟伦，等.蚯蚓粉的营养成分分析及贮藏性评价[J].广东农业科学,2015,42(5):63-68 |
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蚯蚓粉的营养成分分析及贮藏性评价 |
| Nutritional components analysis and storage property evaluation of earthworm powder |
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| DOI： |
| 中文关键词: 蚯蚓粉 营养成分 贮藏稳定性 酸价 过氧化值 胃蛋白酶消化率 |
| 英文关键词: earthworm powder nutritional component storage stability acid value peroxide value pepsin digestibility |
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| 中文摘要: |
| 研究了自制蚯蚓粉的营养成分和不同温湿度条件下的贮藏稳定性。 结果表明‘蚯蚓粉的蛋白质含
量高‘达到 69.52%。 共检出 16 种氨基酸‘必需氨基酸/总氨基酸值为 36.4%‘必需氨基酸/非必需氨基酸值为
61.62%‘符合蛋白质理想模式。 蚯蚓粉贮藏 28d 后‘酸价随时间的延长而升高‘温度越高‘水分和湿度越大‘酸
价升高越快。在 20、30益和湿度 50%条件下‘样品在贮藏 28d 后的酸价为 3.61~5.84 mg/g；过氧化值均呈现贮藏
初期先下降随后上升的趋势；蚯蚓粉在所设条件下贮藏 28d 后‘胃蛋白酶消化率没有发生明显变化‘均在 88%
以上‘符合饲用鱼粉一级品 86%的国家标准。 在试验温度和湿度范围内贮藏 28d 后‘蚯蚓粉仍保持较好的品
质‘表明蚯蚓粉可作为优质的饲料蛋白。 |
| 英文摘要: |
| This experiment studied the nutritional components of earthworm powder prepared and its storage
stability under different temperatures and humidities. Results showed that the content of crude protein of earthworm
powder was 69.52%. 16 kinds of amino acids were found in sample. 移EAA/移AA value and 移EAA/移NEAA value
were 36.4%, 61.62%, respectively, which were in line with the ideal model. Acid value of earthworm powder
increased with storage time extending. And acid value had a positive relationship with storage conditions. At 20益,
30益and RH 50%, acid value was 3.61~5.84 mg/g after 28 d. Peroxide value decreased at the first stage, then
increased in the later storage period. The influence of storage condition on pepsin digestibility was not obvious.
Pepsin digestibility was above 88% after 28 d, reaching the fish meal national standards for first grade. Under the
temperature and humidity range of the experiment, earthworm powder still kept good quality after 28 d, it showed that
earthworm powder could potentially be used as material for high quality protein feed. |
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