Characteristics and fatty acid composition of milk fat from Saudi Aradi goat

Goat milk is the second most prevalent edible milk in Saudi Arabia and is one of the most prominently produced milks in the world. Few studies have focused on the physicochemical properties of goat milk fat (GMF). Samples of Saudi Aradi goat milk were obtained during the spring dairy season to deter...

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Main Authors: Sbihi, H. M., Nehdi, I. A., Tan, C. P., Al-Resayes, S. I.
Format: Article
Language:English
Published: Consejo Superior de Investigaciones Científicas 2015
Online Access:http://psasir.upm.edu.my/id/eprint/44027/
http://psasir.upm.edu.my/id/eprint/44027/1/Characteristics%20and%20fatty%20acid%20composition%20of%20milk%20fat%20from%20Saudi%20Aradi%20goat.pdf
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author Sbihi, H. M.
Nehdi, I. A.
Tan, C. P.
Al-Resayes, S. I.
author_facet Sbihi, H. M.
Nehdi, I. A.
Tan, C. P.
Al-Resayes, S. I.
author_sort Sbihi, H. M.
building UPM Institutional Repository
collection Online Access
description Goat milk is the second most prevalent edible milk in Saudi Arabia and is one of the most prominently produced milks in the world. Few studies have focused on the physicochemical properties of goat milk fat (GMF). Samples of Saudi Aradi goat milk were obtained during the spring dairy season to determine the physicochemical characteristics and fatty acid composition of the GMF. The physicochemical properties of Saudi Aradi GMF were as follows: iodine value, 23.2 g of I2·100 g−1 of fat; saponification value, 213.2 mg KOH·g−1 of fat; refractive index (25 °C), 1.4583; unsaponifiable matter, 0.54%; acidity, 0.52%; and peroxide value, 2.07 meq O2·kg−1 of fat. α-Tocopherol was the major tocol (70.9%), followed by β-tocopherol (22.02%). GMF had significant contents of polyunsaturated fatty acid (FA) (6.16%), conjugated linolenic acid (0.36%), saturated FA (67.04%) and branched FA (1.98%). The thermal profiles of the Saudi Aradi GMF samples were examined using a thermal gravimetric analysis (TGA) and differential scanning calorimetry (DSC). Saudi Aradi GMF showed some absorbance in the UV-C range. This study demonstrated that the milk fat from the Saudi goat has physically and chemically favorable properties, as well as good nutritional properties, as a source of essential fatty acids and fat-soluble vitamin E.
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spelling upm-440272021-12-01T08:43:16Z http://psasir.upm.edu.my/id/eprint/44027/ Characteristics and fatty acid composition of milk fat from Saudi Aradi goat Sbihi, H. M. Nehdi, I. A. Tan, C. P. Al-Resayes, S. I. Goat milk is the second most prevalent edible milk in Saudi Arabia and is one of the most prominently produced milks in the world. Few studies have focused on the physicochemical properties of goat milk fat (GMF). Samples of Saudi Aradi goat milk were obtained during the spring dairy season to determine the physicochemical characteristics and fatty acid composition of the GMF. The physicochemical properties of Saudi Aradi GMF were as follows: iodine value, 23.2 g of I2·100 g−1 of fat; saponification value, 213.2 mg KOH·g−1 of fat; refractive index (25 °C), 1.4583; unsaponifiable matter, 0.54%; acidity, 0.52%; and peroxide value, 2.07 meq O2·kg−1 of fat. α-Tocopherol was the major tocol (70.9%), followed by β-tocopherol (22.02%). GMF had significant contents of polyunsaturated fatty acid (FA) (6.16%), conjugated linolenic acid (0.36%), saturated FA (67.04%) and branched FA (1.98%). The thermal profiles of the Saudi Aradi GMF samples were examined using a thermal gravimetric analysis (TGA) and differential scanning calorimetry (DSC). Saudi Aradi GMF showed some absorbance in the UV-C range. This study demonstrated that the milk fat from the Saudi goat has physically and chemically favorable properties, as well as good nutritional properties, as a source of essential fatty acids and fat-soluble vitamin E. Consejo Superior de Investigaciones Científicas 2015 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/44027/1/Characteristics%20and%20fatty%20acid%20composition%20of%20milk%20fat%20from%20Saudi%20Aradi%20goat.pdf Sbihi, H. M. and Nehdi, I. A. and Tan, C. P. and Al-Resayes, S. I. (2015) Characteristics and fatty acid composition of milk fat from Saudi Aradi goat. Grasas y Aceites, 66 (4). pp. 1-8. ISSN 0017-3495; ESSN: 1988-4214 https://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/1567/1802 10.3989/gya.0233151
spellingShingle Sbihi, H. M.
Nehdi, I. A.
Tan, C. P.
Al-Resayes, S. I.
Characteristics and fatty acid composition of milk fat from Saudi Aradi goat
title Characteristics and fatty acid composition of milk fat from Saudi Aradi goat
title_full Characteristics and fatty acid composition of milk fat from Saudi Aradi goat
title_fullStr Characteristics and fatty acid composition of milk fat from Saudi Aradi goat
title_full_unstemmed Characteristics and fatty acid composition of milk fat from Saudi Aradi goat
title_short Characteristics and fatty acid composition of milk fat from Saudi Aradi goat
title_sort characteristics and fatty acid composition of milk fat from saudi aradi goat
url http://psasir.upm.edu.my/id/eprint/44027/
http://psasir.upm.edu.my/id/eprint/44027/
http://psasir.upm.edu.my/id/eprint/44027/
http://psasir.upm.edu.my/id/eprint/44027/1/Characteristics%20and%20fatty%20acid%20composition%20of%20milk%20fat%20from%20Saudi%20Aradi%20goat.pdf