Table 3 Effect of pH on Aflatoxin B2 Detoxification by C. citriodora leaf and branch extracts.

From: Mass spectrometric identification and toxicity assessment of degraded products of aflatoxin B1 and B2 by Corymbia citriodora aqueous extracts

CONTROL	PH	3 hr		6 hr		12 hr		24 hr		48 hr		72 hr
CONTROL	PH	Toxin recovery (μg L⁻¹)	D %	Toxin recovery (μg L⁻¹)	D %	Toxin recovery (μg L⁻¹)	D %	Toxin recovery (μg L⁻¹)	D %	Toxin recovery (μg L⁻¹)	D %	Toxin recovery (μg L⁻¹)	D %
Toxin AFB2		49.91ⁿ	0.17	49.66^lmn	0.68	49.60^k–n	0.79	49.50^h–n	0.99	49.42^g–n	1.16	49.17^d–l	1.66
Toxin + H₂O	PH 2	49.87ⁿ	1.26	49.83^mn	1.74	49.60^k–n	4.03	49.58^j–n	4.15	49.57^i–n	4.22	49.42^g–n	5.84
Toxin + H₂O	PH 4	49.72^lmn	2.78	49.67^lmn	3.34	49.32^e–n	6.83	49.29^d–n	7.15	49.24^d–m	7.57	49.11^d–l	8.92
Toxin + H₂O	PH 6	49.36^f–n	6.40	49.35^f–n	6.51	49.02^c–k	9.85	48.97^c–i	10.34	48.91^c–h	10.87	48.91^c–h	10.89
Toxin + H₂O	PH 8	49.22^d–m	7.83	48.86^b–g	11.36	48.83^a–g	11.71	48.72^a–e	12.76	48.70^a–e	12.97	48.69^a–d	13.05
Toxin + H₂O	PH 10	48.77^a–f	12.35	48.46^abc	15.38	48.45^abc	15.46	48.44^abc	15.56	48.28^ab	17.23	48.25^a	17.54
Toxin + H₂O	WpH	49.82^mn	0.36	49.43^g–n	1.14	49.22^d–m	1.56	48.98^c–j	2.04	48.80^a–f	2.41	48.29^ab	3.41
TREATMENT
Corymbia Leaf + AFB2	PH 2	16.50^e–s	67.00	15.01^d–q	69.98	13.52^c–p	72.96	12.03^a–n	75.93	10.55^a–k	78.91	9.99^a–j	80.02
	PH 4	15.06^d–q	69.88	13.73^c–p	72.55	12.65^b–o	74.71	12.01^a–n	75.99	11.08^a–l	77.83	9.96^a–j	80.07
	PH 6	14.69^d–p	70.6	13.57^c–p	72.86	11.52^a–m	76.95	11.15^a–l	77.69	10.04^a–j	79.93	9.29^a–h	81.41
	PH 8	12.83^b–o	3	11.71^a–n	76.58	9.11^a–h	81.79	7.99^a–f	84.02	7.62^a–e	84.76	3.53^abc	92.95
	PH 10	9.48^a–i	81.04	7.99^a–f	84.02	4.64^a–d	90.72	3.28^abc	93.44	2.41^ab	95.18	1.62^a	96.77
	WpH	13.57^c–p	72.86	11.96^a–n	76.08	10.22^a–k	79.55	9.48^a–i	81.04	8.98^a–h	82.03	8.36^a–g	83.27
Corymbia Branch + AFB2	PH 2	33.28^y	33.43	31.67^xy	36.66	29.94^v–y	40.13	29.19^u–y	41.62	28.70^u–y	42.61	26.59^s–y	46.82
	PH 4	31.80^xy	36.41	29.44^u–y	41.12	26.59^s–y	46.82	24.73^q–y	50.54	23.12^o–y	53.77	21.01^k–x	57.99
	PH 6	29.56^u–y	40.87	27.21^s–y	45.58	24.36^p–y	51.29	22.50^n–y	55.01	20.88^j–x	58.23	18.78^f–u	62.45
	PH 8	27.33^s–y	45.34	24.98^q–y	50.05	22.12^m–x	55.75	20.26^i–w	59.47	18.65^f–u	62.70	16.54^e–s	66.91
	PH 10	26.22^r–y	47.57	23.86^p–y	52.28	21.01^k–x	57.99	19.15^g–v	61.71	17.54^e–t	64.93	15.43^d–r	69.15
	WpH	30.31^wxy	39.38	27.95^t–y	44.10	25.10^q–y	49.80	23.24^o–y	53.52	21.63^l–x	56.75	19.52^h–w	60.96

Data were analyzed by analysis of Variance (ANOVA). Values with different alphabetic letters indicate significant differences (P < 0.05) as determined by Tukey’s Multiple Range test. D%: Detoxification %age. WpH: without pH change.

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Table 3 Effect of pH on Aflatoxin B2 Detoxification by C. citriodora leaf and branch extracts.

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