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259189

EFFECT OF ETHANOL EXTRACT OF RICE BRAN AS AN ANTIOXIDANT ON THE FLAVOUR OF STORED BUFFALOES’MILK GHEE

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Last updated: 04 Jan 2025

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Abstract

                  Rice bran ethanol extract (RBEE) was used as a natural antioxidant at two concentrations (0.02% and 0.05% w/w) being added to buffaloes milk ghee. Butylated hydroxytoluene (BHT), the chemical antioxidant was also used at the concentration of  0.02 % w/w.  Samples treated with natural (RBEE) and chemical (BHT) antioxidants were stored for 12 months at room temperature.  The development of the flavour in the samples was estimated using Reichert-Meissl (RM), Polenske (PV) values, saponification number (SN) and Iodine value (IV).  The fatty acid composition of the stored samples as well as thiobarbituric acid test (TBA) and peroxide value (POV) were also detected.  Sensory score was carried out on all stored samples.  Results revealed that the short chain fatty acid content of the control and RBEE (0.02% w/w) treated samples  decreased with an associated decrease in RM, PV and SN.  The IV and unsaturated fatty acid content also decreased with an increase in the saturated fatty acids.  The TBA and POV were in agreement with the sensory score.  The flavour deterioration was more evident as the values of TBA and POV increased.  Concerning the samples treated with RBEE (0.05% w/w) and BHT (0.02% w/w), the addition of the RBEE succeeded to give similar results obtained by the addition of BHT at 0.02% w/w.

DOI

10.21608/jfds.2000.259189

Authors

First Name

Magda

Last Name

Abd El-Mageed,

MiddleName

A.

Affiliation

Flavour and Aromatic Chemistry Dept., National Research Centre.

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First Name

N.

Last Name

Youniss

MiddleName

A.

Affiliation

Dairy Tech. Dept. Animal Production Research Institute Dokki, Cairo, Egypt.

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Volume

25

Article Issue

7

Related Issue

36652

Issue Date

2000-07-01

Receive Date

2022-09-12

Publish Date

2000-07-01

Page Start

4,357

Page End

4,367

Print ISSN

2090-3650

Online ISSN

2090-3731

Link

https://jfds.journals.ekb.eg/article_259189.html

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https://jfds.journals.ekb.eg/service?article_code=259189

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5

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Original Article

Type Code

886

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Journal

Publication Title

Journal of Food and Dairy Sciences

Publication Link

https://jfds.journals.ekb.eg/

MainTitle

EFFECT OF ETHANOL EXTRACT OF RICE BRAN AS AN ANTIOXIDANT ON THE FLAVOUR OF STORED BUFFALOES’MILK GHEE

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Article

Created At

22 Jan 2023