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

Table 4

The color of meatballs coated with smoke powder of various pyrolysis temperatures.

Sample	0 h	12 h	24 h	36 h	48 h	60 h	68 h	72 h	76 h	80 h
T0	5 ± 0, 0^A	5 ± 0, 0^A	5 ± 0, 0^A	5 ± 0, 0^A	5 ± 0, 0^A	2, 3 ± 0, 6^A	1, 8 ± 0, 3^A	1, 8 ± 0, 4^A	1, 8 ± 0, 3^A	1, 7 ± 0, 2^A
T1	5 ± 0, 0^A	5 ± 0, 0^A	5 ± 0, 0^A	5 ± 0, 0^A	5 ± 0, 0^A	3, 7 ± 0, 6^B	3 ± 1, 0^B	2, 3 ± 0, 6^B	2 ± 0, 0^B	1, 9 ± 0, 1^A
T2	5 ± 0, 0^A	5 ± 0, 0^A	5 ± 0, 0^A	5 ± 0, 0^A	5 ± 0, 0^A	3, 7 ± 0, 6^B	3, 7 ± 0, 6^B	3 ± 0, 0^C	2 ± 0, 0^B	2 ± 0, 0^B
T3	5 ± 0, 0^A	5 ± 0, 0^A	5 ± 0, 0^A	5 ± 0, 0^A	5 ± 0, 0^A	4 ± 0, 1^C	4 ± 0, 0^C	3, 6 ± 0, 6^C	3 ± 0, 0^C	2, 3 ± 0, 6^B

1, white; 2, greyish white; 3, pale grey; 4, grey; 5, dark grey. The different superscript letters in the columns represent the actual differences with α = 0.05.