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Permanent link (DOI): https://doi.org/10.7939/R3057D59S

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Combined effect of pressure-assisted thermal processing and antioxidants on the retention of conjugated linoleic acid in milk Open Access

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Author or creator
Martinez-Monteagudo, Sergio I.
Saldaña, Marleny D.A.
Additional contributors
Subject/Keyword
Conjugated Linoleic Acid
Antioxidants
Phenolics
Dissolved Oxygen
Pressure-Assisted Thermal Processing
Type of item
Journal Article (Published)
Language
English
Place
Time
Description
The effect of pressure-assisted thermal processing (PATP) in combination with seven synthetic antioxidants was evaluated on the retention of conjugated linoleic acid (CLA) in enriched milk. Milk rich in CLA was first saturated with oxygen, followed by the addition of either catechin, cysteine, ascorbic acid, tannic acid, gallic acid, caffeic acid or p-coumaric acid (500 mg kg−1 untreated milk). Samples were treated at 600 MPa and 120 °C up to 15 min of holding time. During PATP, CLA not only oxidized at a slower rate, but also less oxygen was consumed compared to the control (0.1 MPa and 120 °C). In addition, phenolic antioxidants were able to quench dissolved oxygen in samples treated with PATP. For those samples added with gallic acid and catechin, 85% and 75% of the CLA was retained after 15 min of holding time at 600 MPa and 120 °C, respectively. The retention of CLA was enhanced by the application of PATP in combination with gallic acid.
Date created
2015
DOI
doi:10.7939/R3057D59S
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Attribution 4.0 International
Citation for previous publication
Martinez-Monteagudo, S.I., & Saldaña, M.D.A. (2015). Combined effect of pressure-assisted thermal processing and antioxidants on the retention of conjugated linoleic acid in milk. Foods, 4(2), 65-79.  http://dx.doi.org/10.3390/foods4020065

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File format: pdf (Portable Document Format)
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File title: Combined Effect of Pressure-Assisted Thermal Processing and Antioxidants on the Retention of Conjugated Linoleic Acid in Milk
File title: Foods
File author: Sergio I. Martinez-Monteagudo and Marleny D.A. Saldaña
File author: MDPI
File author: Sergio I. Martinez-Monteagudo and Marleny D.A. Saldaa
Page count: 15
File language: zh-CN
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