Table 3.

Showing Relative area% of identified volatile compounds of CMC coating with control (uncoated roasted coffee beans

CMC Coating
RT-GC	Compound identified	Period after coating (Area %) (1 week)		Period after coating (Area %) (1 month)		Period after coating (Area %) (2 months)
		Control	CMC	Control	CMC	Control	CMC
2.23	2-3, Pentanedione	>1	>1	2.62	2.09	>1	2.07
4.39	PYRIDINE	19.47	23.38	18.84	19.42	24.04	20.04
6.56	3 (2H)-Furanone, dihydro-2-methyl-	3.76	4.67	3.19	4.23	3.67	4.33
7.3	Methylpyrazine	9.18	9.26	7.64	8.89	8.72	8.90
7.8	Furfural	3.37	4.52	2.69	4.21	3.16	3.77
9.69	2- furanmethanol	35.39	30.11	21.34	25.58	19.17	25.63
10.5	2- Propanone, 1-(acetyloxy)-	1.61	1.34	1.12	1.60	>1	1.54
13.60	Ethanone, 1-(2-furanyl)	4.12	4.52	8.39	8.34	7.86	13.62
19.47	2- Furancarboxaldehyde, 5-methyl	4.82	5.87	3.37	5.15	3.77	4.93
24.91	2- Furanmethanol, acetate	3.67	3.79	2.28	>1	2.20	2.30
39.88	Phenol, 2-methoxy-	1.41	>1	1.75	2.42	2.0	1.92
51.98	1H- Pyrrole, 1-(2-furanylmethyl)-	1.68	1.46	1.90	2.26	>1	>1
57.91	Phenol, 4-Ethenyl-2-Methoxy-	3.72	3.56	1.17	1.34	2.13	2.86
61.02	Pyridine, 2-chloro-6-(2-furanylmethoxy)-4-(trichloromethyl)-	1.05	1.03	2.01	3.24	>1	>1