Molecular Weight, Protein Binding Affinity and Methane Mitigation of Condensed Tannins from Mangosteen-peel (Garcinia mangostana L)

The objectives of this study were to determine the molecular weight of condensed tannins (CT) extracted from mangosteen (Garcinia mangostana L) peel, its protein binding affinity and effects on fermentation parameters including total gas, methane (CH4) and volatile fatty acids (VFA) production. The...

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Veröffentlicht in:Asian-Australasian journal of animal sciences. - 1998. - 28(2015), 10 vom: 01. Okt., Seite 1442-8
1. Verfasser: Paengkoum, P (VerfasserIn)
Weitere Verfasser: Phonmun, T, Liang, J B, Huang, X D, Tan, H Y, Jahromi, M F
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Asian-Australasian journal of animal sciences
Schlagworte:Journal Article Condensed Tannins Mangosteen-peel Methane Production Molecular Weight Protein Binding Affinity
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520 |a The objectives of this study were to determine the molecular weight of condensed tannins (CT) extracted from mangosteen (Garcinia mangostana L) peel, its protein binding affinity and effects on fermentation parameters including total gas, methane (CH4) and volatile fatty acids (VFA) production. The average molecular weight (Mw) of the purified CT was 2,081 Da with a protein binding affinity of 0.69 (the amount needed to bind half the maximum bovine serum albumin). In vitro gas production declined by 0.409, 0.121, and 0.311, respectively, while CH4 production decreased by 0.211, 0.353, and 0.549, respectively, with addition of 10, 20, and 30 mg CT/500 mg dry matter (DM) compared to the control (p<0.05). The effects of CT from mangosteen-peel on in vitro DM degradability (IVDMD) and in vitro N degradability was negative and linear (p<0.01). Total VFA, concentrations of acetic, propionic, butyric and isovaleric acids decreased linearly with increasing amount of CT. The aforementioned results show that protein binding affinity of CT from mangosteen-peel is lower than those reported for Leucaena forages, however, the former has stronger negative effect on IVDMD. Therefore, the use of mangosteen-peel as protein source and CH4 mitigating agent in ruminant feed requires further investigations 
650 4 |a Journal Article 
650 4 |a Condensed Tannins 
650 4 |a Mangosteen-peel 
650 4 |a Methane Production 
650 4 |a Molecular Weight 
650 4 |a Protein Binding Affinity 
700 1 |a Phonmun, T  |e verfasserin  |4 aut 
700 1 |a Liang, J B  |e verfasserin  |4 aut 
700 1 |a Huang, X D  |e verfasserin  |4 aut 
700 1 |a Tan, H Y  |e verfasserin  |4 aut 
700 1 |a Jahromi, M F  |e verfasserin  |4 aut 
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