期刊
INFRARED PHYSICS & TECHNOLOGY
卷 123, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.infrared.2022.104155
关键词
Chemometric; Process monitoring; Process analytical technologies; Spectral sensing
资金
- Top Sector Agri & Food foundation, The Netherlands under the Internet of Foods [LWV18084]
A novel use of near-infrared spectroscopy and chemometrics is presented for non-invasive prediction of droplet-size of mayonnaise. Both at-line and inline monitoring capabilities were explored, and the NIR models showed high performance in predicting droplet-size. Real-time NIR measurements were performed using a diode-array NIR spectrometer integrated in the process line for mayonnaise manufacturing, allowing for the tracking of droplet size changes.
A novel use of near-infrared (NIR) spectroscopy and chemometrics is presented for non-invasive prediction of droplet-size of mayonnaise. Both at-line and inline monitoring capabilities were explored. At first during the offline experimentation, two different batches of mayonnaise were prepared under pilot plant manufacturing conditions. The mayonnaise was manufactured with different fat content levels and different milling speeds to induce differences in the droplet size during the process. The reference droplet-sizes were measured using pulsed field gradient nuclear magnetic resonance (pfg-NMR). NIR data were calibrated with reference droplet-size measurements by partial least-square (PLS) regression. The results of at-line analysis showed that the NIR models reached high performance to predict droplet-size in mayonnaise. Furthermore, separate, and global models were used for droplet size prediction for different fat content mayonnaise. For the second part of study, a diode-array NIR spectrometer was directly integrated in the process line for mayonnaise manufacturing and realtime NIR measurements were performed. The process was modulated with different milling speeds and the effect on NIR measurements was explored. The chemometric analysis performed on the NIR process data allowed following the droplet size changes due to changing milling speed. Overall, NIR provided a good correlation with droplet-size of mayonnaise and can support applications such as real-time monitoring of droplet-size during mayonnaise manufacturing process to optimize process and product properties.
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