Table 11.7
Characteristics of common disinfectants used in the food industry
Steam
Chlorine
Iodophors
QUATs
Amphoterics
Acid anionic
Peracetic acid
Activity against:Vegetative bacteriaGram-positive
þþþþþþþþþþþþþþ
Gram-negative
þþþþþþþþþþþþ
Yeasts
þþþþþþþþþþþþþþ
Moulds
þþþþþþþþþþþþþþ
Bacterial spores
þþþþþ
00
þþ
þ
Adversely affected by soil
þþ
þþþþþþ
þ
Corrosive
0
þþþ
00
þ
0
Possibility of tainting with poor rinsing
0
þþ
þ
00 0
þ
Active at neutral pH
þþ
0
þþ
00
Affected by water hardness
0
0
0
þþþ
0
Instability in hot water
0
þþþþ
00 0
þ
Chapter 11 423