New Approaches and Recent Advances on Characterization of Chemical Functional Groups and Structures, Physiochemical Property, and Nutritional Values in Feedstocks and By-Products: Advanced Spectroanalytical and Modeling Investigations

Yu, Peiqiang; Gamage, Inoka H.; Zhang, Xuewei

doi:10.1080/05704928.2013.879064

Cited by 6 publications

(1 citation statement)

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“…“Wet” chemistry analysis is usually used for feed evaluation, however, this technique usually damages the inherent structure of food/feed samples [7]. The biofunctions and nutritive value, as well as fermentation features, have been reported to be influenced by the different inherent molecular structure make-up and conformation [8].…”

Section: Introductionmentioning

confidence: 99%

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

Ismael

Guevara-Oquendo

Refat

et al. 2019

J Animal Sci Biotechnol

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BackgroundThis study was conducted to determine protein molecular structure profiles and quantify the relationship between protein structural features and protein metabolism and bioavailability of blend pelleted products (BPP) based on co-products (canola or carinata) from processing with different proportions of pulse pea screenings and lignosulfonate chemical compound.MethodThe protein molecular structures were determined using the non-invasive advanced vibrational molecular spectroscopy (ATR-FT/IR) in terms of chemical structure and biofunctional groups of amides (I and II), α-helix and β-sheet.ResultsThe results showed that increasing the level of the co-products in BPP significantly increased the spectral intensity of the amide area and amide height. The products exhibited similar protein secondary α-helix to β-sheet ratio. The protein molecular structure profiles (amides I and II, α-helix to β-sheet) were highly associated with protein degradation kinetics and intestinal digestion. In conclusion, the non-invasive vibrational molecular spectroscopy (ATR-FT/IR) could be used to detect inherent structural make-up characteristics in BPP.ConclusionThe molecular structural features related to protein biopolymer were highly associated with protein utilization and metabolism.Electronic supplementary materialThe online version of this article (10.1186/s40104-019-0384-z) contains supplementary material, which is available to authorized users.

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Section: Introductionmentioning

confidence: 99%