Cited by 39Ruminant Nutrition and Digestive PhysiologyMycotoxins in Agriculture and FoodProbiotics and Fermented Foods

Screening of natural lactic acid bacteria with potential effect on silage fermentation, aerobic stability and aflatoxin B1 in hot and humid area.

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Guan, H., Ke, W., Yan, Y., Shuai, Y., Li, X., Ran, Q., Yang, Z., Wang, X. +2 more·2020·Journal of Applied Microbiology

Abstract

AIM: To effectively make high-quality silage in hot and humid area. METHODS AND RESULTS: The natural lactic acid bacteria (LAB) strains CZ149, XH358, XH753 and XH761 isolated from corn and Napier grass were screened by the potential of low pH growth and high lactic acid production, and their effect on silage quality, aerobic stability and aflatoxin B1 production of whole-crop corn was also studied in Sichuan, China. Four selected strains were Gram-positive and catalase-negative, rod-shaped strains that are able to grow at pH 3·5 and at 45°C. Strains CZ149, XH358, XH753 and XH761 were identified as Lactobacillus plantarum, L. salivarius, L. rhamnosus and L. paracasei, respectively. After 60 days of fermentation, all LAB strains showed no significant relationship with the quality of corn silage, whereas the lowest aflatoxin B1 and lactic-to-acetic ratio were detected in strain XH753-treated silage. Strain CZ149-treated silage showed worse aerobic stability and higher aflatoxin B1 concentration than control, whereas strain XH753-treated silage had better aerobic stability and lowest aflatoxin B1 concentration after aerobic exposure in hot and humid condition for 5 days. CONCLUSIONS: The three L. plantarum strains used in this study are not suitable as inoculants for local whole-crop corn silage, whereas L. rhamnosus 753 could prolong the aerobic stability and inhibit the accumulation of aflatoxin B1 at hot and humid condition. SIGNIFICANCE AND IMPACT OF THE STUDY: This study provides new information of LAB inoculants for corn silage in hot and humid areas. Especially, a screened strain of Lactobacillus rhamnosus 753 can be used as a candidate strains to make high-quality silage in tropical and subtropical areas.

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Crossref · 10.1111/jam.14570

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Authors
Guan, H., Ke, W., Yan, Y., Shuai, Y., Li, X., Ran, Q., Yang, Z., Wang, X., Cai, Y., & Zhang, X.
Affiliations
  • Sichuan Agricultural University (CN)
  • Lanzhou University (CN)
  • Chongqing Academy of Animal Science (CN)
  • Japan International Research Center for Agricultural Sciences (JP)
Corresponding author
Zhang, X.
Venue
Journal of Applied Microbiology
Published
2020-05
Volume
128
Issue
5
Pages
1301-1311
ISSN
  • 1364-5072 (ISSN-L)
  • 1365-2672
OpenAlex
W2997806724
Cited by
39
References
41
Citations by year
2026: 5 · 2025: 5 · 2024: 4 · 2023: 4 · 2022: 9 · 2021: 8 · 2020: 4
FWCI
7.81
Type
journal article
Language
en
Open access
Locations
  • Journal of Applied Microbiology (publishedVersion)
  • PubMed (publishedVersion)
  • Lanzhou University Institutional Repository (submittedVersion, cc-by-nc-sa)
  • Lanzhou University Institutional Repository (submittedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Ruminant Nutrition and Digestive Physiology
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Mycotoxins in Agriculture and Food
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
Keywords
lactic acid bacteria, silage fermentation, aerobic stability, aflatoxin B1, Lactobacillus rhamnosus, Lactobacillus plantarum, silage inoculants, hot and humid climate, Pennisetum purpureum, lactic acid production
MeSH terms
China, Zea mays, Fermentation, Hot Temperature, Hydrogen-Ion Concentration, Silage, Species Specificity, Aflatoxin B1, Lactic Acid, Pennisetum, Lactobacillales

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