Table 6.

Microbiological content (cfu/g) of fuet samples at day 21 of refrigerated storage in aerobic conditions.

Microorganism	Control	HTs	HTo	C
TVC	3.8 × 106 ± 1.2 × 104 ab	2.6 × 105 ± 3.6 × 103 c	1.2 × 106 ± 6.4 × 104 b	5.8 × 106 ± 1.5 × 105 a
TCC	90 ± 10 a	50 ± 5 b	65 ± 5 ab	100 ± 10 a
E. Coli	<10	<10	<10	<10

HT_s, samples enriched with synthetic Hydroxytyrosol; HT_o, samples enriched with organic Hydroxytyrosol; C, samples enriched with citric; TVC, Total Vial Count; TCC, Total Coliform Count; ^a, ^b, ^c, different letters among data in the same row indicate significant differences among samples (p < 0.05).