Table 4.
Sample | Conc. (ppm) | Incubation Time (hours) | SEM 2 | ||||
---|---|---|---|---|---|---|---|
0 | 1 | 3 | 6 | 12 | |||
Control 1 | 0.190 ax | 0.363 ay | 0.454 az | 0.436 az | 0.469 az | 0.027 | |
BHA | 50 | 0.150 b | 0.191 e | 0.193 e | 0.191 d | 0.192 e | 0.006 |
HEE | 500 | 0.202 ay | 0.267 cz | 0.261 dz | 0.267 cz | 0.227 cdy | 0.007 |
1000 | 0.202 ayx | 0.228 dz | 0.237 dz | 0.219 dzy | 0.196 dex | 0.004 | |
CEE | 500 | 0.202 ay | 0.313 bz | 0.304 cz | 0.351 bz | 0.298 bz | 0.014 |
1000 | 0.202 ay | 0.272 cz | 0.256 dz | 0.258 cz | 0.215 dey | 0.008 | |
WE | 500 | 0.202 ax | 0.309 by | 0.377 bz | 0.363 bz | 0.284 by | 0.017 |
1000 | 0.202 ax | 0.273 cz | 0.291 cz | 0.286 cz | 0.249 cy | 0.009 | |
SEM | 0.008 | 0.010 | 0.016 | 0.016 | 0.018 |
a–e Means with different letters in a column are significantly different between extraction methods and concentration (p < 0.05); x–z Means with different letters in a row are significantly different between incubation times (p < 0.05); 1 Control: without extraction sample; BHA: 50 ppm BHA solution; HEE: ethanol extraction with heating; CEE: ethanol extraction with room temperature; WE: hot water extraction; 2 SEM: standard error of mean.