Table 1.

Secondary structure content derived from HEWL samples by the deconvolution of attenuated total reflectance—Fourier transform infrared spectroscopy (ATR-FTIR) spectra in the Amide I region and literature data derived from X-ray diffraction [11].

HEWL Sample	β-Sheet	Aggregation β-Sheet	α-Helix	Random Coil + Turn	Error
native, H2O	10.3	8.6	41.7	39.4	1
0 h, 90% ethanol	10.5	29.7	21.8	38	0.8
24 h, 90% ethanol	10.1	34.7	22.8	32.4	0.6
96 h, 90% ethanol	10.2	35.1	21.8	32.9	1.1
60 days, 90% ethanol	10.3	38.2	19.6	31.9	0.8
X-ray diffraction	18.7	/	42.6	38.7	/