Journal
PROBIOTICS AND ANTIMICROBIAL PROTEINS
Volume 12, Issue 2, Pages 608-622Publisher
SPRINGER
DOI: 10.1007/s12602-019-09568-z
Keywords
Postbiotics; Lactobacillus; Multifunctional bioactivity; In silico prediction
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In this study, a global metabolite profile using Raman spectroscopy analysis was obtained in order to predict, by an in silico prediction of activity spectra for substance approach, the bioactivities of the intracellular content (IC) and cell wall (CW) fractions obtained fromLactobacillus caseiCRL 431 andBacillus coagulansGBI-30 strains. Additionally, multifunctional in vitro bioactivity of IC and CW fractions was also assessed. The metabolite profile revealed a variety of compounds (fatty acids, amino acids, coenzyme, protein, amino sugars), with significant probable activities (Pa > 0.7) as immune-stimulant, anti-inflammatory, neuroprotective, antiproliferative, immunomodulator, and antineoplastic, among others. Moreover, in vitro assays exhibited that both IC and CW fractions presented angiotensin-converting enzyme-inhibitory (> 90%), chelating (> 79%), and antioxidant (ca. 22-57 cellular antioxidant activity units) activities. Our findings based on in silico and in vitro analyses suggest thatL. caseiCRL 431 andB. coagulansGBI-30 strains appear to be promising sources of postbiotics and may impart health benefits by their multifunctional properties.
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