LAPSE:2020.0972
Published Article
LAPSE:2020.0972
Physico-Chemical Changes, Microbiological Properties, and Storage Shelf Life of Cow and Goat Milk from Industrial High-Pressure Processing
Sok Fern Tan, Nyuk Ling Chin, Tuan Poy Tee, Sook Kuan Chooi
September 15, 2020
Industrial high-pressure processing (HPP) was conducted on cow and goat milk in comparison to conventional heat pasteurization. No significant changes were found in the physico-chemical properties of the treated milk except for pH, where pasteurized cow milk experienced a decrease while goat milk’s pH increased for both pasteurized and HPP treated. HPP-treated cow and goat milk both achieved microbial shelf life of 22 days at 8 °C storage with no increase in Bacillus cereus, mesophilic aerobic spores, coliform, yeast and mold but slight increase in psychrotrophic bacteria and total plate count. Pasteurized goat milk was spoilt at the end of storage with exceeding count of psychrotrophic bacteria (9.0 × 108 CFU/mL) and total plate count (3.5 × 108 CFU/mL). HPP-treated cow milk exhibited higher physico-chemical stability than goat milk as evidenced by non-significant change of titratable acidity but goat milk experienced an increase of 0.04% averagely.
Keywords
high pressure processing, milk quality, milk storage, pasteurization, shelf life
Suggested Citation
Tan SF, Chin NL, Tee TP, Chooi SK. Physico-Chemical Changes, Microbiological Properties, and Storage Shelf Life of Cow and Goat Milk from Industrial High-Pressure Processing. (2020). LAPSE:2020.0972
Author Affiliations
Tan SF: Department of Process and Food Engineering, Faculty of Engineering, Universiti Putra Malaysia, UPM Serdang 43400, Selangor, Malaysia
Chin NL: Department of Process and Food Engineering, Faculty of Engineering, Universiti Putra Malaysia, UPM Serdang 43400, Selangor, Malaysia [ORCID]
Tee TP: Department of Animal Science, Faculty of Agriculture, Universiti Putra Malaysia, UPM Serdang 43400, Selangor, Malaysia
Chooi SK: Kara F&B Productions Sdn Bhd, 5, Jalan Signature Industrial Park 2, Signature Industrial Park, Semenyih 43500, Selangor, Malaysia
Journal Name
Processes
Volume
8
Issue
6
Article Number
E697
Year
2020
Publication Date
2020-06-16
Published Version
ISSN
2227-9717
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Original Submission
Other Meta
PII: pr8060697, Publication Type: Journal Article
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LAPSE:2020.0972
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doi:10.3390/pr8060697
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Sep 15, 2020
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CC BY 4.0
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Sep 15, 2020
 
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Sep 15, 2020
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Original Submitter
Calvin Tsay
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