Effect of Sterilization Conditions on Quality Characteristics and Storage Stability of Goat Milk

MA Yue; LIU Xin; WU Mengguo; ZHANG Xuewei; WEI Xuan; HOU Dongdong; JIANG Zhanmei; HOU Juncai

doi:10.13386/j.issn1002-0306.2022050060

Issue 9

May. 2023

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JOURNAL OF MECHANICAL ENGINEERING > 2023 > 44(9): 68-73.

MA Yue, LIU Xin, WU Mengguo, et al. Effect of Sterilization Conditions on Quality Characteristics and Storage Stability of Goat Milk[J]. Science and Technology of Food Industry, 2023, 44(9): 68−73. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2022050060

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Effect of Sterilization Conditions on Quality Characteristics and Storage Stability of Goat Milk

doi: 10.13386/j.issn1002-0306.2022050060

College of Food Science, Northeast Agricultural University, Harbin 150030, China

Received Date: 09 May 2022
Issue Publish Date: 01 May 2023

Abstract

Abstract

In this study, goat milk was sterilized under different conditions (65 ℃, 30 min; 75 ℃, 20 min; 85 ℃, 15 min; 90 ℃, 10 min). The chromaticity, appearance, flavor and content of medium-short chain free fatty acids of goat milk were determined by chromaticity analyzer, electronic nose analysis, high performance gas chromatography and ultra-high resolution microscope, and the changes of average particle size and microstructure of goat milk were investigated during 21 days of storage. The results showed that different sterilization conditions had no significant effect on the color and appearance of goat milk (P>0.05). Electronic nose detection could obviously distinguish the flavor changes of goat milk under different sterilization conditions, and the contents of medium-short chain free fatty acids in milk were significantly increased after sterilization (P<0.05). After 21 days of storage, the increase of goat milk particle size led to the decrease of system stability. The sterilization condition of 90 ℃ and 10 min could effectively inhibit the increase of goat milk particle size during storage, which would be beneficial to improve the stability of goat milk and provide theoretical basis for enhancing the quality characteristics of goat milk and improving its processing technology.
- goat milk,
- sterilization conditions,
- quality characteristic,
- storage stability,
- microstructure

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References(28)

References

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Effect of Sterilization Conditions on Quality Characteristics and Storage Stability of Goat Milk

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