Type of microbe

Storage time/months

0

1

2

3

4

5

Recommended value^***

^**TBC (cfu/g)

6.9 × 10³

<10⁵

ND

ND

ND

ND

<10⁵

Staphylococcus aurous

ND

<10⁵

ND

5 × 10

7.0 × 10²

ND

<10⁵

Spore formers

2.7 × 10³

<10³

5.5 × 10²

ND

1.3 × 10³

2.7 × 10³

<10⁵

Coli-form

1.1 × 10²

1.4

E.Co. −ve

2.5 × 10

E.Co. −ve

0.5

E.Co. −ve

1.1

1.1

1.1 × 10²