Influence of different packaging materials on storage property of sunflower seed under normal temperature
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摘要: 为了探讨包装材料对常温贮藏条件下葵花籽耐贮性的影响,研究了常用的4种包装材料下葵花籽色泽、气味、含水量、发芽率、相对电导率和过氧化氢酶活度的变化规律。结果表明:包装对葵花籽贮藏质量指标的影响非常显著。塑料袋和牛皮纸袋包装葵花籽比麻袋和塑料编织袋提前出现色泽、气味劣变现象;塑料袋和牛皮纸袋包装葵花籽比麻袋和塑料编织袋包装葵花籽的含水量变化幅度小;塑料袋和牛皮纸袋包装葵花籽的发芽率明显低于麻袋和塑料编织袋;塑料袋和牛皮纸袋包装葵花籽的相对电导率高于麻袋和塑料编织袋;4种不同包装处理均会引起葵花籽内过氧化氢酶活度活性的下降。葵花籽品质变化是一个动态的复杂过程,在选择适宜包装材料时应结合葵花籽生理特性、贮藏环境等因素综合考虑。研究可为葵花籽常温贮藏提供参考。Abstract: In order to study the influence of packaging materials on storage sunflower seed at normal temperature, the effect of commonly- used 4 types of packaging materials on sunflower seed 's color, odor, moisture content, germination rate, relative conductivity and catalase activity was investigated.The results showed that the packaging materials had notable influences on sunflower seed 's storage quality index. The change rate of sunflower'color and odor in plastic bags and Kraft paper sacks was faster than that in woven bag and sack.The range of moisture content variation of sunflower in plastic bags and Kraft paper sacks was smaller than that in woven bag and sack.The germination rate of sunflower in plastic bags and Kraft paper sacks was lower than that in woven bag and sack.The relative conductivity of sunflower in plastic bags and Kraft paper sacks was higher than that in woven bag and sack.The catalase activity of sunflower in 4 types of packaging materials was decreased. In a conclusion, the change of sunflower seed quality was a dynamic and complex process, which required to comprehensively considering the sunflower seed's physiological characteristics and storage environment before choosing a proper packaging material.The research can provide a reference for sunflower seed storage at normal temperature.
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Keywords:
- packaging materials /
- sunflower seed /
- storage property
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