Table 2. Quality appreciation criteria of ready to eat meals (A) and conditioned milk powder (B).

	Parameters	Criteria m CFU/g	M (3m) CFU/g
A
Ready meals	Salmonella	Absence/25g	---
	Staphylococci	102/g	3x102/g
	Total aerobic mesophilic flora	3x103/g	9x103/g
	Coliforms	103/g	3x103/g
	Thermotolerants Coliforms	10/g	3x10/g
	E. coli	Absence	---
	Yeast and Mould	104/g	3x104/g
B
Conditioned milk powder	Salmonella	Absence/25g	---
	Staphylococcus aureus	10/g	30/g
	Total aerobic mesophilic flora	5x104/g	1.5x105/g
	Coliforms	1/g	3/g
	Thermotolerants Coliforms	1/g	---
	E. coli	Absence	---
	Yeast and Mould	1/g	---
	ASR	10/g	30/g
	Clostridium perfringens	1/g	3/g
	Bacillus cereus	1/g	---

Source: The bacteriological criteria retained are those stipulated by the Ministerial Decree of the French Republic of December 21, 1979 relating to ready-to-eat foods and cited by [19].

m and M are respectively lower and upper the limits of appreciation.

CFU ≤ m = Satisfactory.

m < CFU ≤ M = Acceptable.

CFU > M = Not Satisfactory.