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  • Title: Novel Use of Ultra-Resolution Synchrotron Vibrational Micropectroscopy (SR-FT/vIMS) to Assess Carinata and Canola oilseed tissues within Cellular and Subcellular Dimensions.
    Author: Ban Y, Prates LL, Feng X, Khan NA, Yu P.
    Journal: Spectrochim Acta A Mol Biomol Spectrosc; 2021 Feb 05; 246():118934. PubMed ID: 33032114.
    Abstract:
    The study was conducted to: (1) apply advanced synchrotron radiation-based technique-SR-FT/vIMS to detect chemical profiles that are related to protein and carbohydrate biopolymers, (2) quantify the relationship between spectral features and nutrient utilization and bioavailability of newly developed carinata and canola seed lines. The molecular spectral features of these seed lines were analyzed using SR-FT/vIMS with both univariate and multivariate spectral analysis techniques. The results showed that the inherent structural characteristics of new carinata and new canola seeds could be detected by SR-FT/vIMS. The univariate molecular spectral analysis showed differences in absorption intensities (peak heights and areas) of functional groups related to protein and carbohydrate molecular structures, while multivariate molecular spectral analysis without any spectral parameterization results showed similar protein and carbohydrate structure between new carinata and new canola seeds. Based on both, univariate and multivariate analysis, there were some differences between carinata seeds and canola seeds in protein and Carbohydrate (CHO) structure spectral characteristics, but these differences were not distinguishable in CLA and PCA plots regardless the color seed coat when using original spectral without spectral parameterization. Protein and carbohydrate structural variables could be used as predictors of rumen protein degradation kinetics, protein intestinal digestion features and protein supply for dairy cows. The CHO molecular structure showed great correlation with rumen protein degradation, intestinal protein digestion and predicted true protein supply of the newly developed carinata and canola lines.
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