Table 4.

Assigned peaks from the FTIR spectra of the metabolite produced by the Bacillus thuringiensis.

Run	Peak	Trans	Assignment
1	3805.31	83.97	O–H stretching vibration
2	3251.06	4.01	Strong N–H stretching vibration of H-bonding (due to water) and possible metal binding of amide groups in proteins
3	3018.23	48.15	C–H symmetric stretching vibration of the connection of the in CH2 group
4	2639.73	82.76	O–H stretching vibration
5	1672.40	80.51	RCH = N=N Stretching vibration
6	1522.09	36.28	N–H stretching vibration of H-bonding and/or possible metal binding of amide groups in cellular proteins
7	1499.98	76.85	CH2 symmetric deformation
8	1278.53	72.03	C–O–C asymmetric stretching vibration
9	1148.50	68.00	C–O–C and C–C–O Stretching vibration due to the accumulation of polyester compounds (poly-3-hydroxybutyrate and probably phospholipids (PLs))
10	1092.27	84.00	C–O–C and C–C–O Stretching vibration due to the accumulation of polyester compounds (poly-3-hydroxybutyrate and probably phospholipids (PLs))
11	1019.66	83.61	C–OH stretching vibration
12	890.11	56.50	C–O – C ring vibration
13	698.71	72.13	C–Cl, Br, I Stretching vibrations

Trans. represent transmittance (%). Peak is cm⁻¹