The In vitro Effects of Nano-encapsulated Conjugated Linoleic Acid on Stability of Conjugated Linoleic Acid and Fermentation Profiles in the Rumen

被引：4

作者：

Heo, Wan ^{[1
]}

Kim, Eun Tae ^{[1
,2
]}

Do Cho, Sung ^{[1
,3
]}

Kim, Jun Ho ^{[1
]}

Kwon, Seong Min ^{[1
]}

Jeong, Ha Yeon ^{[1
,2
]}

Ki, Kwang Seok ^{[1
,2
]}

Yoon, Ho Baek ^{[1
,2
]}

Ahn, Young Dae ^{[1
,4
]}

Lee, Sung Sill ^{[1
,5
]}

Kim, Young Jun ^{[1
,5
]}

机构：

[1] Korea Univ, Dept Food & Biotechnol, Sejong 339700, South Korea

[2] RDA, Natl Inst Anim Sci, Cheonan 331808, South Korea

[3] Korea Inst Adv Technol, Policy Res & Planning Team, Seoul 135513, South Korea

[4] Cheongwon Green Land, Cheongju 363820, South Korea

[5] Gyeongsang Natl Univ, Div Appl Life Sci,IALS BK21, Jinju 660701, South Korea

来源：

ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES | 2016年 / 29卷 / 03期

关键词：

Biohydrogenation; Conjugated Linoleic Acid; Nano; -encapsulation; Rumen Fermentation; UNSATURATED FATTY-ACIDS; OIL SUPPLEMENTATION; BIOHYDROGENATION; CLA; POPULATIONS; BACTERIA;

D O I：

10.5713/ajas.15.0626

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

This study was aimed to evaluate the stability of conjugated linoleic acids (CLAs) by nano-encapsulation against in vitro ruminal biohydrogenation by microbial enzymatic conversion. CLAs (free fatty acid form of CLA [CLA-FFA], nano-encapsulated CLA-FFA, triglyceride form of CLA [CLA-TG], and nano-encapsulated CLA-TG) were used in the in vitro fermentation experiments. When Butyrivibrio fibrisolvens (B. fibrisolvens) was incubated with CLA-FFAs, the concentrations of cis-9, trans-11 CLA and vaccenic acid (VA) slightly was decreased and increased by nano-encapsulation, respectively. When B. fibrisolvens was incubated with CLA-TG, the concentrations of cis-9, trans-11 CLA and VA decreased, but these were increased when B. fibrisolvens was incubated with nano encapsulated CLA-TG. The nano-encapsulation was more effective against the in vitro biohydrogenation activity of B fibrisolvens incubated with CLA-FFA than with CLA-TG. In the in vitro ruminal incubation test, the total gas production and concentration of total volatile fatty acids incubated with nano-encapsulated CLA-FFA and CLA-TG were increased significantly after 24 h incubation (p<0.05). Nano-encapsulated CLA-FFA might, thus, improve the ruminal fermentation characteristics without adverse effects on the incubation process. In addition, nano-encapsulated CLA-FFA increased the population of Fibrobacter succinogenes and decreased the population of B. fibrisolvens population. These results indicate that nano-encapsulation could be applied to enhance CLA levels in ruminants by increasing the stability of CLA without causing adverse effects on ruminal fermentation.

引用

页码：365 / 371

页数：7

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