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https://doi.org/10.37358/Rev.Chim.1949

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Revista de Chimie (Rev. Chim.), Year 2018, Volume 69, Issue 1, 160-165

https://doi.org/10.37358/RC.18.1.6065

Daniel Mierlita, Ioan Mircea Pop, Florin Lup, Daniel Simeanu, Simona Ioana Vicas, Cristina Simeanu

The Fatty Acids Composition and Health Lipid Indices in the Sheep Raw Milk Under a Pasture-Based Dairy System

Abstract:

This research was conducted to study fatty acids composition, especially content of n-3 FA; c9,t11-CLA (rumenic acid) and t11-C18:1 (vaccenic acid) and health lipid indices of milk according to the feeding practices in sheep. The exeperimental diets consisted of: P - pasture without any diet supplementation, PC - pasture + standard concentrate (500 g/d), PCs - pasture + fat-enriched concentrate (camelina seed-based concentrate: 500 g/d). Camelina seeds (Cs - Camelina sativa L) were used to increase the beneficial FA concentration in milk fat. PC diet as compared to P diet increases daily milk yield and the content of milk fat, but it adversely affects the quality of milk fats. Fat in the milk of PC ewes had a higher content of hypercholesterolemic FA, while the polyunsaturated FA (PUFA) concentration decreased (p [ 0.001). The use Cs in the concentrate mixture (PCs diet) increased by more than double the c9,t11-CLA, C20:5n-3 (EPA), C22:6n-3 (DHA), C18:3n-3 (ALA) and t11-C18:1 (VA) (p [ 0.001) in milk fat, without any negative effects on milk yield and composition. Beneficial changes of health lipid indices milk fat (atherogenic index, thrombogenic index, n-6/n-3 FA) were detected when the diet of ewes was supplemented with fat-enriched concentrate (PCs group) because of high concentration of c9,t11-CLA, n-3 FA which has sanogenic properties. It is concluded that, when pasture quality and availability do not limit dairy production, supplementation of grazing ewes with concentrate mixture is not recommended, because compromised the milk FA profile. The using camelina seeds in strategies for supplementing the diet of ewes on pastures is a good choice both for the daily milk yield and even more so for the sanogenetic quality of milk fats.
Keywords:
n-3 FA; conjugated linoleic acid (CLA); atherogenic index (AI); thrombogenic index (TI)

Issue: 2018, Volume 69, Issue 1
Pages: 160-165
Publication date: 15/02/2018
https://doi.org/10.37358/RC.18.1.6065
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Creative Commons License
This article is published under the Creative Commons Attribution 4.0 International License
Citation Styles
Cite this article as:
MIERLITA, D., POP, I.M., LUP, F., SIMEANU, D., VICAS, S.I., SIMEANU, C., The Fatty Acids Composition and Health Lipid Indices in the Sheep Raw Milk Under a Pasture-Based Dairy System, Rev. Chim., 69(1), 2018, 160-165.

Vancouver
Mierlita D, Pop IM, Lup F, Simeanu D, Vicas SI, Simeanu C. The Fatty Acids Composition and Health Lipid Indices in the Sheep Raw Milk Under a Pasture-Based Dairy System. Rev. Chim.[internet]. 2018 Jan;69(1):160-165. Available from: https://doi.org/10.37358/RC.18.1.6065


APA 6th edition
Mierlita, D., Pop, I.M., Lup, F., Simeanu, D., Vicas, S.I. & Simeanu, C. (2018). The Fatty Acids Composition and Health Lipid Indices in the Sheep Raw Milk Under a Pasture-Based Dairy System. Revista de Chimie, 69(1), 160-165. https://doi.org/10.37358/RC.18.1.6065


Harvard
Mierlita, D., Pop, I.M., Lup, F., Simeanu, D., Vicas, S.I., Simeanu, C. (2018). 'The Fatty Acids Composition and Health Lipid Indices in the Sheep Raw Milk Under a Pasture-Based Dairy System', Revista de Chimie, 69(1), pp. 160-165. https://doi.org/10.37358/RC.18.1.6065


IEEE
D. Mierlita, I.M. Pop, F. Lup, D. Simeanu, S.I. Vicas, C. Simeanu, "The Fatty Acids Composition and Health Lipid Indices in the Sheep Raw Milk Under a Pasture-Based Dairy System". Revista de Chimie, vol. 69, no. 1, pp. 160-165, 2018. [online]. https://doi.org/10.37358/RC.18.1.6065


Text
Daniel Mierlita, Ioan Mircea Pop, Florin Lup, Daniel Simeanu, Simona Ioana Vicas, Cristina Simeanu,
The Fatty Acids Composition and Health Lipid Indices in the Sheep Raw Milk Under a Pasture-Based Dairy System,
Revista de Chimie,
Volume 69, Issue 1,
2018,
Pages 160-165,
ISSN 2668-8212,
https://doi.org/10.37358/RC.18.1.6065.
(https://revistadechimie.ro/Articles.asp?ID=6065)
Keywords: n-3 FA; conjugated linoleic acid (CLA); atherogenic index (AI); thrombogenic index (TI)


RIS
TY - JOUR
T1 - The Fatty Acids Composition and Health Lipid Indices in the Sheep Raw Milk Under a Pasture-Based Dairy System
A1 - Mierlita, Daniel
A2 - Pop, Ioan Mircea
A3 - Lup, Florin
A4 - Simeanu, Daniel
A5 - Vicas, Simona Ioana
A6 - Simeanu, Cristina
JF - Revista de Chimie
JO - Rev. Chim.
PB - Revista de Chimie SRL
SN - 2668-8212
Y1 - 2018
VL - 69
IS - 1
SP - 160
EP - 165
UR - https://doi.org/10.37358/RC.18.1.6065
KW - n-3 FA
KW - conjugated linoleic acid (CLA)
KW - atherogenic index (AI)
KW - thrombogenic index (TI)
ER -


BibTex
@article{RevCh2018P160,
author = {Mierlita Daniel and Pop Ioan Mircea and Lup Florin and Simeanu Daniel and Vicas Simona Ioana and Simeanu Cristina},
title = {The Fatty Acids Composition and Health Lipid Indices in the Sheep Raw Milk Under a Pasture-Based Dairy System},
journal = {Revista de Chimie},
volume = {69},
number = {1},
pages = {160-165},
year = {2018},
issn = {2668-8212},
doi = {https://doi.org/10.37358/RC.18.1.6065},
url = {https://revistadechimie.ro/Articles.asp?ID=6065}
}
 
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