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Effects of Heat-Killed ILacticaseibacillus paracasei/I MCC1849 on the Maintenance of Physical Condition in Healthy Adults: A Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study

Nutrients, 2023-08, Vol.15 (15) [Peer Reviewed Journal]

COPYRIGHT 2023 MDPI AG ;ISSN: 2072-6643 ;EISSN: 2072-6643 ;DOI: 10.3390/nu15153450

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  • Title:
    Effects of Heat-Killed ILacticaseibacillus paracasei/I MCC1849 on the Maintenance of Physical Condition in Healthy Adults: A Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study
  • Author: Sato, Soichiro ; Arai, Satoshi ; Iwabuchi, Noriyuki ; Tanaka, Miyuki ; Hase, Ryosuke ; Sakane, Naoki
  • Subjects: Adults
  • Is Part Of: Nutrients, 2023-08, Vol.15 (15)
  • Description: We previously reported that the intake of heat-killed Lacticaseibacillus paracasei MCC1849 suppressed the onset of cold-like symptoms in healthy young women who were susceptible to colds. This study aimed to investigate the effects of MCC1849 on subjective symptoms of physical condition in healthy adults of a wide age range. In this randomized, double-blind, placebo-controlled, parallel-group study, 200 healthy adults were randomly divided into the MCC1849 group or placebo group. The participants received test powder with 50 billion MCC1849 cells or placebo powder without MCC1849 for 24 weeks. Subjective symptoms were assessed by diary scores. Analysis was performed on 183 participants (MCC1849 group; n = 91, placebo group; n = 92) in the per-protocol set. The number of days of stuffy nose and cold-like symptoms was significantly reduced in the MCC1849 group compared with the placebo group. In addition, the duration of stuffy nose, sore throat and cold-like symptoms was significantly lower in the MCC1849 group. No side effects were observed. Therefore, oral intake of MCC1849 suppressed subjective symptoms in healthy adults of a wide age range. These data suggest that MCC1849 may help maintain physical condition.
  • Publisher: MDPI AG
  • Language: English
  • Identifier: ISSN: 2072-6643
    EISSN: 2072-6643
    DOI: 10.3390/nu15153450
  • Source: DOAJ Directory of Open Access Journals
    GFMER Free Medical Journals
    PubMed Central
    ROAD: Directory of Open Access Scholarly Resources
    ProQuest Central
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