AI Article Synopsis
- Brassica crops contain health-promoting compounds called glucosinolates, which are being studied for their benefits.
- This research utilized Visible-Near InfraRed Spectroscopy (Vis-NIRS) to analyze 641 types of Brassica juncea for different glucosinolate components and developed effective prediction models.
- The combined Vis-NIRS model demonstrated high accuracy and reliability in predicting glucosinolate content, making it a valuable tool for screening and quality control in Brassica oilseed production.
Article Abstract
The globally cultivated Brassica crops contain high deliverable concentrations of health-promoting glucosinolates. Development of a Visible-Near InfraRed Spectroscopy (Vis-NIRS) calibration to profile different glucosinolate components from 641 diverse Brassica juncea chemotypes was attempted in this study. Principal component analysis of HPLC-determined glucosinolates established the distinctiveness of four B. juncea populations used. Subsequently, modified partial least square regression based population-specific and combined Vis-NIRS models were developed, wherein the combined model exhibited higher coefficient of determination (R; 0.81-0.97) for eight glucosinolates and higher ratio of prediction determination (RPD; 2.42-5.35) for seven glucosinolates in B. juncea populations. Furthermore, range error ratio (RER > 4) for twelve and RER > 10 for eight glucosinolates make the combined model acceptable for screening and quality control. The model also provided excellent prediction for aliphatic glucosinolates in four oilseed Brassica species. Overall, our work highlights the potential of Vis-NIR spectroscopy in estimating glucosinolate content in the economically important Brassica oilseeds.
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| http://dx.doi.org/10.1016/j.foodchem.2021.129527 | DOI Listing |
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