Table 6. Microbial counts (Log CFU/g) of sausages added with natural extract during storage periods

Variable	Storage period (wk)	Control	T1	T2	T3	T4	T5	T6
Total plate counts	0	ND	ND	ND	ND	ND	ND	ND
	1	ND	ND	ND	ND	ND	ND	ND
	2	ND	ND	ND	ND	ND	ND	ND
	3	2.31±0.03	ND	ND	ND	ND	ND	ND
	4	2.91±0.11	ND	ND	ND	ND	ND	ND
Coliform/Escherichia coli	0	ND	ND	ND	ND	ND	ND	ND
	1	ND	ND	ND	ND	ND	ND	ND
	2	ND	ND	ND	ND	ND	ND	ND
	3	ND	ND	ND	ND	ND	ND	ND
	4	ND	ND	ND	ND	ND	ND	ND

T1, no additives; T2, 0.2% grapefruit seed; T3, 0.2% natural extracts; T4, 0.2% natural extracts and ascrobic acid; T5, 0.5% natural extracts; T6, 0.5% natural extracts and ascrobic acid.
CFU, colony forming units; ND, not detected.