Cited by 97Polysaccharides Composition and ApplicationsProbiotics and Fermented FoodsMicrobial Metabolites in Food Biotechnology

Preparation, Partial Characterization and Bioactivity of Exopolysaccharides from Lactobacillus casei LC2W

Ai, Lianzhong, Zhang, Hao, Guo, Benheng, Chen, Wei, Wu, Zhengjun, Wu, Yan·2008·Carbohydrate Polymers

Abstract

Crude exopolysaccharides (LCP) were isolated from skim milk fermented by Lactobacillus casei LC2W and fractionated into three fractions (LCP1, LCP2 and LCP3) with the ratios of 35.74%, 12.61% and 33.34% (w/w) based on LCP, respectively. The molecular weight, polydispersity, intrinsic viscosity and radius of gyration of three fractions were determined by high-performance size exclusion chromatography, and monosaccharide compositions were analyzed by high-performance anion-exchange chromatography. The antihypertensive effects of exopolysaccharides were evaluated using spontaneously hypertensive rats (SHR). SHR were randomized into four groups (eight rats per group) and fed with the test samples (LCP1, LCP2 and LCP3) at the daily dosage of 15 mg kg-1 (body weight) and saline for 7 days. The results showed only LCP1 could decrease significantly the systolic blood pressure of SHR (P < 0.01), and LCP1, LCP2 and LCP3 had no significant effect on the heart rate of SHR.

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Crossref · 10.1016/j.carbpol.2008.03.004

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  • Administration of 15 mg/kg body weight of EPS fractions from Lcb. casei LC2W in spontaneously hypertensive rats resulted in a moderate reduction in blood pressure.

    “administration of 15 mg/kg body weight of EPS fractions from Lcb. casei LC2W in spontaneously hypertensive rats resulted in a moderate reduction in blood pressure [135].”

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Authors
Ai, L., Zhang, H., Guo, B., Chen, W., Wu, Z., & Wu, Y.
Affiliations
Jiangnan University (CN)
Corresponding author
Guo, Benheng
Venue
Carbohydrate Polymers
Publisher
Elsevier BV
Published
2008-11
Volume
74
Issue
3
Pages
353-357
ISSN
0144-8617 (ISSN-L)
OpenAlex
W2034570996
Cited by
93
References
33
Citations by year
2026: 1 · 2025: 10 · 2024: 3 · 2023: 5 · 2022: 6 · 2021: 8 · 2020: 12 · 2019: 3 · 2018: 11 · 2017: 4 · 2016: 3 · 2015: 10 · 2014: 8 · 2013: 2 · 2012: 3
FWCI
2.13
Type
journal article
Language
en
Open access
closed
Locations
Carbohydrate Polymers (publishedVersion)
Funders
Chinese Academy of Sciences
Topics
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Polysaccharides Composition and Applications
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
  • Health Sciences › Nursing › Nutrition and Dietetics › Microbial Metabolites in Food Biotechnology
Keywords
exopolysaccharides, Lactobacillus casei, skim milk fermentation, antihypertensive effect, spontaneously hypertensive rats, blood pressure, molecular weight distribution, monosaccharide composition, polysaccharide fractionation, heart rate

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