Table 1.

Elemental composition measurements and theoretical values for chitin from Vespa velutina.

	% C	% H	% N	% CHN	C/N	DA%
Vespa velutina chitin	43.47	6.94	6.85	57.26	6.35	95.44
Theoretical value of chitin	47.29	6.40	6.90	60.59	6.86	100
Found-Theoretical	−3.82	0.54	−0.05	−3.33	−0.51	−4.56