. 2017 Mar;55(1):131–137. doi: 10.17113/ftb.55.01.17.4770

Table 2. Number and types of cellular abnormalities observed in root meristem cells of Allium cepa treated with water and synthetic grape and plum flavourings.

(V/m)/(mL/kg)	t(exposure)/h	Colchicine metaphase	Anaphase bridge	Telophase bridge	Micronucleus	Binucleate cell	N(TCA)
Grape flavouring
	control	0	0	1	0	0	1^a
3.5	24	1	0	0	0	0	1^a
	48	22	49	13	89	0	173^b
	control	0	0	1	0	0	1^a
7.0	24	9	72	22	111	3	217^b
	48	0	37	59	98	1	195^b
	control	0	1	0	0	0	1^a
14.0	24	0	28	33	171	2	234^b
	48	18	20	49	108	0	197^b
Plum flavouring
	control	1	0	0	0	0	1^a
3.5	24	7	11	8	47	9	73^b
	48	4	13	9	35	0	61^c
	control	0	1	0	0	0	1^a
7.0	24	9	13	13	59	0	94^b
	48	9	17	9	62	0	97^b
	control	1	0	0	0	0	1^a
14.0	24	13	18	7	55	0	93^b
	48	5	27	17	39	1	88^b

V=volume of the flavouring solution, m=mass (on average 0.2 kg) of onion bulb used, N(TCA)=number of total cellular alterations. Within the same treatment, TCA values followed by different letters are significantly different 5% by χ² test