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

Authors
Heo, WanKim, Eun TaeDo Cho, SungKim, Jun HoKwon, Seong MinJeong, Ha YeonKi, Kwang SeokYoon, Ho BaekAhn, Young DaeLee, Sung SillKim, Young Jun
Issue Date
3월-2016
Publisher
ASIAN-AUSTRALASIAN ASSOC ANIMAL PRODUCTION SOC
Keywords
Biohydrogenation; Conjugated Linoleic Acid; Nano -encapsulation; Rumen Fermentation
Citation
ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES, v.29, no.3, pp.365 - 371
Indexed
SCIE
SCOPUS
KCI
Journal Title
ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES
Volume
29
Number
3
Start Page
365
End Page
371
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/89404
DOI
10.5713/ajas.15.0626
ISSN
1011-2367
Abstract
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.
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