Table 4.

Virgin coconut oil microspheres spectra identification[30,31,32,33]

Analysis results	Wavenumber (cm−1)
	F1	F2	VCO	Alginate	CaCl2
-OH stretching	3277	3100-3600		3100-3600	3356
-C-H stretching	2922	2921	2922	2924
-C-H stretching	2853.01	2852	2853		2834
C=O (carbonyl ester)	1743.43	1743		1743
C=O stretching	1595.52	1600		1549
CH2 bending	1456.02	1455	1464		1479
C-O-C stretching	1416.62	1415	1418	1411
CH3(methyl) bending	1377.46	1378	1377
C-O stretching	1230.36	1230	1229
C-O Stretching	1151.58	1149	1152
Mannuronic unit	1098.8	1108		1092
Guluronate unit	1023.96	1026		1032
Uronic acid	945.33			939
Mannuronic acid	887.04			884
Configuration of guluronate unit	817.56	820		820

VCO: Virgin coconut oil