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Microbiota in Green Tea Beverages Remaining in Plastic Bottles After Direct Drinking
Miho Kawachi1,2, Anna Wakui1,3, Manami Imai1
1Division of Clinical Chemistry, Niigata University Graduate School of Health Sciences, Niigata, Japan.
None:
This study compared bacterial counts and composition in plastic-bottled green tea beverages immediately after direct drinking and after storage at 37°C for 1 day. Immediately after drinking, (1.9 ± 1.6) × 103 and (4.5 ± 3.9) × 103 colony forming units (CFU)/mL were recovered from standard green tea and strong green tea, respectively. After 1 day of storage, (1.3 ± 1.5) × 104 and (1.6 ± 3.1) × 103 CFU/mL were recovered from standard green tea and strong green tea, respectively. Following storage, Lacticaseibacillus spp., Streptococcus, and Veillonella were isolated from both beverages.
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