洁蛋贮藏过程中特征腐败气体与新鲜度相关性研究

doi:10.11924/j.issn.1000-6850.casb2020-0437

摘要/Abstract

摘要：

为研究清洁鸡蛋在贮藏过程中产生的特征性腐败气体与洁蛋新鲜度之间的关系,本文对鸡蛋常规品质指标以及鸡蛋气室中H₂S气体浓度进行测定,并把各指标值与H₂S浓度进行线性回归分析。研究结果表明：随着贮藏时间的增加,洁蛋的质量、哈夫单位、蛋黄系数均呈下降趋势,气室直径、pH呈上升趋势。H₂S气体浓度随着贮藏时间的延长,浓度逐渐增大。特征性腐败气体H₂S浓度与各品质指标的线性回归分析显示H₂S浓度值与鸡蛋品质指标均具有显著相关性,其中与哈夫单位的回归方程为y=-0.197x+16.484,决定系数R²=0.9782。因此用洁蛋在贮藏过程中产生的特征性腐败气体H₂S浓度来表征鸡蛋的新鲜度是可行的。

关键词: 洁蛋, 贮藏, 新鲜度, 腐败气体, H₂S

Abstract:

To study the correlation between the characteristic spoilage gas H₂S produced by clean eggs during storage and the freshness of clean eggs, the conventional quality indicators of eggs and the concentration of H₂S gas in the egg chamber were measured. And linear regression analysis was performed on the value of each index and H₂S concentration. The experimental results show that with the increase of storage time, the weight of clean eggs, the Huff unit, and the yolk coefficient all have a downward trend, while the diameter of the air chamber and pH have an upward trend. The concentration of H₂S gas gradually increases with the extension of storage time. The linear regression analysis of the characteristic spoilage gas H₂S concentration and each quality index shows that the H₂S concentration value has a significant correlation with the egg quality index. The regression equation of the Huff unit is y=-0.197x+16.484, and the coefficient of determination is R²=0.9782. Therefore, it is feasible to use the characteristic spoilage gas H₂S concentration produced by clean eggs to characterize the freshness of eggs.

Key words: clean eggs, storage, freshness, spoilage gas, H₂S

中图分类号:

S379

胡云峰, 陈亚楠, 张利苹, 陈君然. 洁蛋贮藏过程中特征腐败气体与新鲜度相关性研究[J]. 中国农学通报, 2021, 37(30): 128-132.

Hu Yunfeng, Chen Yanan, Zhang Liping, Chen Junran. The Correlation Between Characteristic Spoilage Gas and Freshness of Clean Eggs During Storage[J]. Chinese Agricultural Science Bulletin, 2021, 37(30): 128-132.

图/表 8

图1. 清洁蛋质量变化

图2. 清洁蛋哈夫单位值变化

图3. 清洁蛋蛋黄系数变化

图4. 清洁蛋蛋清pH变化

图5. 清洁蛋气室直径变化

图6. 清洁蛋中H2S浓度变化

指标	回归方程	决定系数R²
质量/g	y=-1.090x+67.447	0.9833
哈夫单位	y=-0.197x+16.484	0.9701
蛋黄系数	y=-37.358x+18.236	0.9572
蛋清pH	y=11.847x-106.790	0.9564
气室直径/mm	y=6.1134x-12.979	0.9772

表1. 清洁蛋中H2S浓度与各指标之间的相关性分析结果

蛋黄系数	气室直径/mm	蛋清pH	质量/g	哈夫单位
-0.978**	0.989**	0.978**	-0.992**	-0.985**

表2. H2S浓度与各指标之间的相关性分析

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