Modified Rice Straw as Adsorbent Material to Remove Aflatoxin B₁ from Aqueous Media and as a Fiber Source in Fino Bread

Table 2

Effect of modified rice straw powder and different AFB₁ and pH values on the removal of aflatoxin B₁ at 25°C for 30 min () in aqueous media.

Percentage of modified rice straw powder	Concentrations of AFB1 (ng/mL); with initial conc. 5 ng/mL AFB1	Reduction % (mean  ±  SD)	Initial level of AFB1   (ng/mL) with 5% MRS	Concentrations of AFB1 after treatment (ng/mL)	Reduction % (mean  ±  SD)	pH with 5% MRS + 5 ng/mL AFB1	Concentrations of AFB1 after treatment (ng/mL)	Reduction % (mean  ±  SD)
1%	3.87  ±  0.476	22.6  ±  9.52	5	0.285  ±  0.117	94.3  ±  2.34	4	0.621  ±  0.07	87.6  ±  1.41
2%	2.06  ±  0.185	58.6  ±  3.71	10	0.764  ±  0.183	92.3  ±  1.83	7	0.286  ±  0.172	94.3  ±  2.34
3%	1.66  ±  0.336	66.8  ±  2.97	15	1.76  ±  0.171	88.3  ±  1.13	9	0.687  ±  0.087	86.25  ±  1.75
4%	1.03  ±  0.131	79.4  ±  2.61	20	2.99  ±  0.14	85.05  ±  0.71
5%	0.285  ±  0.117	94.3  ±  2.34	25	3.84  ±  0.496	84.6  ±  1.99

Mean  ±  standard deviation. The values not followed by the same letters are significantly different at 5% level.