Lipid-Encapsulated Echium Oil (Echium plantagineum) Increases the Content of Stearidonic Acid in Plasma Lipid Fractions and Milk Fat of Dairy Cows

被引：25

作者：

Bainbridge, Melissa L. ^{[1
]}

Lock, Adam L. ^{[2
]}

Kraft, Jana ^{[1
]}

机构：

[1] Univ Vermont, Dept Anim Sci, Burlington, VT 05405 USA

[2] Michigan State Univ, Dept Anim Sci, E Lansing, MI 48824 USA

来源：

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY | 2015年 / 63卷 / 19期

关键词：

blood metabolites; gamma-linolenic acid; bioactive fatty acids; plasma lipid fractions; transfer efficiency; GAMMA-LINOLENIC ACID; FISH-OIL; OMEGA-3-FATTY-ACIDS; SUPPLEMENTATION; FEED; BIOHYDROGENATION; METABOLISM; DIGESTION; PROFILES; FLAXSEED;

D O I：

10.1021/acs.jafc.5b00857

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

The objective of this study was to evaluate the impact of feeding lipid-encapsulated echium oil (EEO) on animal performance and milk fatty acid profile. Twelve Holstein dairy cows were used in a 3 x 3 Latin Square design with 14 day periods. Treatments were a control diet (no supplemental fat), 1.5% dry matter (DM) as EEO and 3.0% DM as EEO. Treatments had no negative effect on animal performance (dry matter intake, milk yield, and fat yield). The milk fat content of total n-3 fatty adds and stearidonic acid (SDA) increased with EEO supplementation (P < 0.001). The proportion of SDA increased in all plasma lipid fractions with EEO supplementation (P < 0.001). Transfer of SDA from EEO into milk fat was 3.4 and 3.2% for the 1.5 and 3% EEO treatments, respectively. In conclusion, EEO increases the content of n-3 fatty acids in milk fat; however, the apparent transfer efficiency was low.

引用

页码：4827 / 4835

页数：9

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