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. 2022 Aug 17;12(8):789. doi: 10.3390/membranes12080789

Table 7.

Microbial analysis of the control and SFOC membranes.

Microorganism Control,
cfu
SFOC1,
cfu
SFOC2,
cfu
SFOC3,
cfu
SFOC4,
cfu
SFOC5,
cfu
Limits
Total count 1 2 1 4 4 15 <50 cfu 1
<100 cfu 2
Enterococcus Absent Absent Absent Absent Absent 1 <150 cfu 4
Coliforms Absent Absent Absent Absent Absent Absent <10 cfu 1
Absent 2
<50 cfu 3
Enterobacteriaceae Absent Absent Absent Absent Absent Absent Absent1
Yeast and molds Absent Absent Absent Absent Absent 1 <100 cfu 1
Absent 2
<102 cfu 3
Bacillus cereus Absent Absent Absent Absent Absent 1 102–103 5
E. coli Absent Absent Absent Absent Absent Absent Absent 1,2,3
Salmonella Absent Absent Absent Absent Absent Absent Absent 1,2,3
Staphylococcus aureus Absent Absent Absent Absent Absent Absent Absent 1,2
Listeria Absent Absent Absent Absent Absent Absent Absent 1,2

1 microbiological limit for fruit, vegetables and seeds according to food safety and standard regulations (FSSAI); 2 microbiological limits for packaging materials according to food safety and standard regulations (FSSAI); 3 microbiological limits for fruit, vegetables and seeds according to FDA circular No. 2013-010 (revised guidelines for the assessment of microbiological quality of processed food); 4 microbiological limits for vegetables found by Julien et al. (2017) [70]; 5 microbiological limits found by Yu et al. (2019) [71].