A Preliminary Study on the Use of Rice Husk-Based Smoke Powder for Meatball Preservatives

Table 1

Test results for MPN E. coli.

Storage time (hr)	Liquid smoke powder	MPN/g	Description
0	T0	120	Q
	T1	0	Q
	T2	0	Q
	T3	0	Q
24	T0	1100	Q
	T1	0	Q
	T2	0	Q
	T3	0	Q
48	T0	>1100	NQ
	T1	43	Q
	T2	38	Q
	T3	23	Q
56	T1	160	Q
	T2	120	Q
	T3	120	Q
60	T1	290	Q
	T2	220	Q
	T3	150	Q
64	T1	460	Q
	T2	290	Q
	T3	240	Q
68	T1	1100	Q
	T2	1100	Q
	T3	1100	Q
72	T1	>1100	NQ
	T2	>1100	NQ
	T3	>1100	NQ

Q, qualified; NQ, not qualified.