Interactive association between processing induced molecular structure changes and nutrient delivery on a molecular basis, revealed by cutting-edge vibrational biomolecular spectroscopy

Ismael, Aya; Guevara-Oquendo, Victor Hugo; Refat, Basim; Yu, Peiqiang

doi:10.1186/s40104-019-0384-z

Journal of Animal Science and Biotechnology

Table 3 Correlation between chemical nutrient composition and protein fractions of blend pelleted products with different combinations (n = 16) (two levels of lignosulfonate chemical compound, two types of co-products from biofuel (carinata meal) and-oil processing (canola meal) with two levels of each type, and two levels of pea screenings and molecular structure related to amide region

From: Interactive association between processing induced molecular structure changes and nutrient delivery on a molecular basis, revealed by cutting-edge vibrational biomolecular spectroscopy

Items		Amide I height	Amide II height	Amide I, II ratio	Amide I area	Amide II area	Amide area	α-helix height	βsheet height	α-helix, β-sheet ratio
Basic protein profile^a
CP, g/kg DM	r	0.55	0.11	0.40	0.70	0.16	0.58	0.39	0.44	− 0.55
CP, g/kg DM	P value	0.03	0.69	0.13	0.01	0.56	0.02	0.14	0.08	0.03
NDICP, g/kg CP	r	− 0.06	− 0.50	0.52	0.08	−0.40	− 0.08	− 0.33	− 0.32	0.12
NDICP, g/kg CP	P value	0.82	0.05	0.04	0.77	0.13	0.77	0.21	0.23	0.66
ADICP, g/kg CP	r	0.29	0.56	−0.36	0.18	0.51	0.32	0.53	0.55	−0.40
ADICP, g/kg CP	P value	0.27	0.02	0.17	0.49	0.04	0.23	0.03	0.03	0.13
SCP, g/kg CP	r	0.25	0.48	−0.38	0.05	0.35	0.16	0.41	0.37	−0.12
SCP, g/kg CP	P value	0.36	0.06	0.15	0.85	0.19	0.56	0.12	0.15	0.65
NPN, g/kg CP	r	−0.71	−0.12	−0.56	−0.80	− 0.22	−0.68	− 0.61	−0.67	0.64
NPN, g/kg CP	P value	0.01	0.67	0.02	0.01	0.42	0.01	0.01	0.01	0.01
Predicted total digestible nutrients, g/kg DM^b
tdCP	r	0.53	0.09	0.41	0.68	0.13	0.56	0.36	0.42	−0.53
tdCP	P value	0.03	0.75	0.12	0.01	0.62	0.02	0.17	0.11	0.03
TDN_1×	r	−0.38	− 0.53	0.23	−0.33	− 0.50	− 0.43	−0.59	− 0.63	0.55
TDN_1×	P value	0.15	0.03	0.40	0.21	0.05	0.10	0.02	0.01	0.03
ME_3×	r	−0.12	− 0.43	0.36	− 0.02	− 0.38	− 0.15	− 0.38	−0.39	0.27
ME_3×	P value	0.67	0.09	0.17	0.94	0.14	0.58	0.15	0.13	0.30
NEL_3×	r	−0.12	−0.44	0.37	−0.02	− 0.39	− 0.15	− 0.37	−0.39	0.27
NEL_3×	P value	0.67	0.09	0.16	0.95	0.14	0.59	0.15	0.14	0.32
CNCPS protein subfractions, g/kg CP^c
PA2	r	0.23	0.47	−0.39	0.04	0.34	0.15	0.40	0.36	−0.10
PA2	P value	0.39	0.06	0.13	0.90	0.19	0.59	0.13	0.17	0.71
PB1	r	−0.28	− 0.31	0.18	− 0.10	− 0.20	− 0.15	− 0.32	−0.28	0.06
PB1	P value	0.29	0.24	0.50	0.70	0.46	0.58	0.22	0.29	0.83
PB2	r	−0.11	−0.52	0.50	0.03	−0.43	− 0.13	− 0.38	−0.37	0.18
PB2	P value	0.68	0.04	0.05	0.92	0.10	0.64	0.15	0.16	0.51
PC	r	0.29	0.56	−0.36	0.18	0.51	0.32	0.53	0.55	−0.40
PC	P value	0.27	0.02	0.17	0.49	0.04	0.23	0.03	0.03	0.13

^aCP, crude protein; NDICP, neutral detergent insoluble crude protein; ADICP, acid detergent insoluble crude protein; SCP, soluble crude protein; NPN, non-protein nitrogen
^btdCP, truly digestible crude protein; TDN_1×, total digestible nutrient at one times maintenance; ME_3×, metabolizable energy at the production level of intake (3×); NEL_3×, net energy for lactation at production level of intake (3×)
^cPA2, soluble true protein; PB1, insoluble true protein. PB2, fiber-bound protein; PC, indigestible protein

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ISSN: 2049-1891

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