Multiple comparisons of simple main effects and interactions of the factors revealed that average values of total mesophilic bacteria from B and C cheese samples amended with LFH differed signifi- cantly (Fisher’s least significant difference (LSD), P < 0.05) from those of the control cheese at days 1 and 2 of cold storage (Table 3). Viable cell counts of pseudomonads detected in samples B of Mozzarella cheese treated with LFH were significantly lower than those of the un-supplemented control samples from day 1 to day 4 (Table 3; P < 0.05), whereas in samples C of Mozzarella cheese a significant reduction (P < 0.05) in viable cell counts was found only at day 2 of cold storage and only in cheeses supplemented with 10 mg mL 1 of LFH.