Citation:
DI Wei, ZHANG Ying-Chun, YI Hua-Xi, HAN Xue, WANG Shu-Mei, ZHANG Lan-Wei. Research Methods for Structural Analysis of Lactic Acid Bacteria Induced Exopolysaccharides[J]. Chinese Journal of Analytical Chemistry,
;2018, 46(6): 875-882,924.
doi:
10.11895/j.issn.0253-3820.181178
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Exopolysaccharides (EPSs), produced by lactic acid bacteria (LAB), have been used primarily to improve the quality and taste of food, also possess a variety of unique biological functions, such as immunoregulation and anti-tumor activities. The diversity of molecular structural characteristics of LAB-generated EPSs represents one of the main factors responsible for this plethora of functions. Accordingly, the structural analysis of the EPSs produced by LAB is both a prerequisite and basis for examining its functional and structure-activity relationships. In this article, we summarized the current progress of key methodologies involved in the structural analysis of LAB-generated EPSs, including their isolation, purification, primary structure and advances in structural research. A comprehensive discussion regarding the application of chemical analysis, instrument analysis and computer aided technology in the structure analysis of LAB-generated EPSs was provided. Further, the future development of the research on the structure of LAB-generated EPSs was presented.
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