Table 1.

List of compounds identified in the urine of female buffaloes by GC-MS

Peak No.	Compound name	PE	E	POE	Mol. Wt	Group
42	2-Methyleicosane	√	√	×	296	Alkane
1	1-Chloro-1-buten-3-yne	√	√	√	86	Alkyne
2	2-Methyl-2-propenamide	×	√	√	85	Amide
3	1,4-Dichloromethane	√	√	√	146	Aromatic
4	1-Nitro-2-methylpropane	×	×	√	101	Alkane
5	2,3-Dihydro-4-methylfuran	×	×	√	84	Heterocyclic
6	2-Ethyl-5-methyl-1,2,3-dioxoborolan-4-one	√	√	√	128	Aldehyde
7	Methylpyrrolidine	√	√	×	84	Alkaloid
8	4-Pentanol	×	√	√	86	Alcohol
9	3-Ethyl-2-methylhexane	×	×	√	128	Alkane
10	7-Methyl-4-undecane	×	√	√	168	Alkane
11	Phenol	√	×	×	94	Phenol
12	4-Methyl-3-heptanone	×	√	√	128	Alkane
13	4-Methyl phenol (p-cresol)	×	√	×	108	Phenol
14	2-Octanone	√	√	√	128	Ketone
15	3-Aminoheptane	√	√	×	115	Alkane
16	5-Methyl-2-(methylethyl)-cyclohexanol	√	×	√	156	Alcohol
17	2,3Dimethylheptane	√	√	×	128	Alkane
18	3-Methyl-1-pentanol	√	√	√	102	Alcohol
19	3-Methyl-1-pentene	√	√	×	84	Alkene
20	3-Propylphenol	√	×	×	136	Phenol
21	2-Methyl-n-phenyl-2-propenamide	×	√	√	161	Amide
22	Dimethylundecane	×	√	√	184	Alkane
23	Decanoic acid	×	√	√	172	Acid
24	1-Chlorotetradecane	×	×	√	232	Alkane
25	N-N-Bis(2-hydroxyethyl)-dodecanamide	×	√	√	287	Amide
26	9-octadecenoic acid (oleic acid)	×	√	×	282	Acid
27	Hexadecanol	√	√	×	242	Alcohol
28	Tetradecanoic acid	×	√	√	228	Acid
29	Nonane	×	√	√	128	Alkane
30	2-Octyldodecan-1-ol	√	√	×	298	Alcohol
31	Hexadecanoic acid	×	×	√	256	Acid
32	Isocyanobutane	×	×	√	83	Alkane
33	9-Octadecenal	√	×	×	266	Aldehyde
34	Diisooctylester-1,2-benzenedicarboxylic acid	√	√	√	530	Acid
35	Ethyl-2-methylcyclopentane	√	√	√	112	Alkane
36	5-Methyl-4-decene	√	√	×	154	Alkene
37	Methylheptane	√	√	√	114	Alkane
38	3-Methylbutanol	√	×	×	86	Alcohol
39	9-Methyl-(z)-5-undecene	×	√	√	168	Alkene
40	1-Tetradecanol	×	√	√	214	Alcohol
41	Undecanol	×	×	√	172	Alcohol