Table 1. Total viable cell (TVC), fungi, Enterobacteriaceae, coliform, Bacillus cereus, and Clostridium perfringens counts from four different sample points during the minimal processing of Platycodi radix (Doraji)

(units: log CFU/g)

Step TVC Fungi Enterobacteriaceae Coliform B. cereus C. perfringens

Company I

Raw PR¹⁾ 5.2±0.09²⁾^a³⁾ 3.0±0.05^a 4.5±0.18^a 3.6±0.18^a < 1 < 1

Shredded PR 5.6±0.20^ab 4.6±0.14^b 4.5±0.35^a 3.5±0.11^a < 1 < 1

Washed PR 6.2±0.05^b 4.3±0.13^b 5.5±0.10^b 4.4±0.24^b < 1 < 1

End-product 6.1±0.06^b 4.3±0.09^b 5.5±0.18^b 4.7±0.24^b < 1 < 1

Company II

Raw PR 6.8±0.09^a 3.8±0.06^a 6.4±0.04^a 6.3±0.09^a 1.5±0.41^b < 1

Shredded PR 6.8±0.00^a 4.2±0.04^a 6.1±0.20^a 6.1±0.10^a 1.2±0.00^b < 1

Dipped PR 6.8±0.07^a 4.0±0.06^a 6.3±0.11^a 6.3±0.04^a < 1a < 1

End-product 7.0±0.03^a 4.1±0.06^a 6.2±0.47^a 6.7±0.05^a < 1a < 1

¹⁾ PR, Platycodi radix.
²⁾ Each data point shows the mean±SD of duplicate samples.
³⁾ Different superscripts in the same column indicate significant differences (p<0.05).

Step	TVC	Fungi	Enterobacteriaceae	Coliform	B. cereus	C. perfringens
Company I
Raw PR¹⁾	5.2±0.09²⁾^a³⁾	3.0±0.05^a	4.5±0.18^a	3.6±0.18^a	< 1	< 1
Shredded PR	5.6±0.20^ab	4.6±0.14^b	4.5±0.35^a	3.5±0.11^a	< 1	< 1
Washed PR	6.2±0.05^b	4.3±0.13^b	5.5±0.10^b	4.4±0.24^b	< 1	< 1
End-product	6.1±0.06^b	4.3±0.09^b	5.5±0.18^b	4.7±0.24^b	< 1	< 1
Company II
Raw PR	6.8±0.09^a	3.8±0.06^a	6.4±0.04^a	6.3±0.09^a	1.5±0.41^b	< 1
Shredded PR	6.8±0.00^a	4.2±0.04^a	6.1±0.20^a	6.1±0.10^a	1.2±0.00^b	< 1
Dipped PR	6.8±0.07^a	4.0±0.06^a	6.3±0.11^a	6.3±0.04^a	< 1a	< 1
End-product	7.0±0.03^a	4.1±0.06^a	6.2±0.47^a	6.7±0.05^a	< 1a	< 1