Effect of High-Pressure Processing (HPP) on composition, lactose and microstructure of goat milk

Thermal pasteurisation is an established method for milk processing. However, the high temperature could affect the micronutrients in the milk. High pressure processing (HPP) is a cold alternative to thermal pasteurisation that can maintain the fresh-like properties of liquid food. However, employi...

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Main Authors: Mustapa Kamal, Siti Mazlina, Sulaiman, Alifdalino, Md. Hazmi, Nurul Ashikin
Format: Article
Language:English
Published: Rynnye Lyan Resources 2021
Online Access:http://psasir.upm.edu.my/id/eprint/96906/1/ABSTRACT.pdf
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author Mustapa Kamal, Siti Mazlina
Sulaiman, Alifdalino
Md. Hazmi, Nurul Ashikin
author_facet Mustapa Kamal, Siti Mazlina
Sulaiman, Alifdalino
Md. Hazmi, Nurul Ashikin
author_sort Mustapa Kamal, Siti Mazlina
collection UPM
description Thermal pasteurisation is an established method for milk processing. However, the high temperature could affect the micronutrients in the milk. High pressure processing (HPP) is a cold alternative to thermal pasteurisation that can maintain the fresh-like properties of liquid food. However, employing pressure could potentially affect the composition and microstructure of milk and milk products. Therefore, this study focusses on evaluating the effect of high pressure processing (HPP) towards the composition, lactose content and microstructure (in term of fat globules) of goat milk. The goat milk was subjected to HPP at a pressure range of 200 to 600 MPa and process holding time at 5 - 15 mins. There were insignificant differences in terms of fat, protein and carbohydrate, but significant changes observed for lactose content of pressurised goat milk (PGM). The lactose content of PGM was in the range of (2.540 – 2.986 g/mL), while 1.253±0.01 g/100 mL for untreated goat milk (UGM). A higher number of the small size of goat milk fat globules observed at 600 MPa compared to lower processing pressure (200 and 400 MPa) at the same pressure holding time (5 to 15 mins). The mean diameters of fat globules were in the range of 5.215 to 5.651 μm. This size reduction of milk fat globules is an advantage for cheese making or other dairy product making industries, because it can help to possess a smoother and more refined texture of milk products.
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spelling upm.eprints-969062022-11-29T08:59:39Z http://psasir.upm.edu.my/id/eprint/96906/ Effect of High-Pressure Processing (HPP) on composition, lactose and microstructure of goat milk Mustapa Kamal, Siti Mazlina Sulaiman, Alifdalino Md. Hazmi, Nurul Ashikin Thermal pasteurisation is an established method for milk processing. However, the high temperature could affect the micronutrients in the milk. High pressure processing (HPP) is a cold alternative to thermal pasteurisation that can maintain the fresh-like properties of liquid food. However, employing pressure could potentially affect the composition and microstructure of milk and milk products. Therefore, this study focusses on evaluating the effect of high pressure processing (HPP) towards the composition, lactose content and microstructure (in term of fat globules) of goat milk. The goat milk was subjected to HPP at a pressure range of 200 to 600 MPa and process holding time at 5 - 15 mins. There were insignificant differences in terms of fat, protein and carbohydrate, but significant changes observed for lactose content of pressurised goat milk (PGM). The lactose content of PGM was in the range of (2.540 – 2.986 g/mL), while 1.253±0.01 g/100 mL for untreated goat milk (UGM). A higher number of the small size of goat milk fat globules observed at 600 MPa compared to lower processing pressure (200 and 400 MPa) at the same pressure holding time (5 to 15 mins). The mean diameters of fat globules were in the range of 5.215 to 5.651 μm. This size reduction of milk fat globules is an advantage for cheese making or other dairy product making industries, because it can help to possess a smoother and more refined texture of milk products. Rynnye Lyan Resources 2021 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/96906/1/ABSTRACT.pdf Mustapa Kamal, Siti Mazlina and Sulaiman, Alifdalino and Md. Hazmi, Nurul Ashikin (2021) Effect of High-Pressure Processing (HPP) on composition, lactose and microstructure of goat milk. Food Research, 5 (suppl.1). 107 - 113. ISSN 2550-2166 https://www.myfoodresearch.com/vol-59474supplementary-1.html 10.26656/fr.2017.5(S1).050
spellingShingle Mustapa Kamal, Siti Mazlina
Sulaiman, Alifdalino
Md. Hazmi, Nurul Ashikin
Effect of High-Pressure Processing (HPP) on composition, lactose and microstructure of goat milk
title Effect of High-Pressure Processing (HPP) on composition, lactose and microstructure of goat milk
title_full Effect of High-Pressure Processing (HPP) on composition, lactose and microstructure of goat milk
title_fullStr Effect of High-Pressure Processing (HPP) on composition, lactose and microstructure of goat milk
title_full_unstemmed Effect of High-Pressure Processing (HPP) on composition, lactose and microstructure of goat milk
title_short Effect of High-Pressure Processing (HPP) on composition, lactose and microstructure of goat milk
title_sort effect of high pressure processing hpp on composition lactose and microstructure of goat milk
url http://psasir.upm.edu.my/id/eprint/96906/1/ABSTRACT.pdf
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