Type of microbe

Storage time/months

0

1

2

3

4

5

Recommended value^***

^**TBC (cfu/g)

3.0 × 10³

ND

ND

ND

ND

ND

<10⁵

Staphylococcus aurous

ND

5 × 10

ND

5.0 × 10²

4.0 × 10²³

1.3 × 10³

<10⁵

Spore formers

1.4 × 10³

ND

8.0 × 10²

5.0 × 10

>10²

5 × 10

<10⁵

Coli-form

0.5

1.4

ND

0.8

0.5

ND

1.1 × 10²