Abstract
FTIR in combination with chemometric tools was utilised to evaluate the microbial counts for fresh cut jackfruit samples stored at 4 and 10 °C. Predictive models were prepared for total viable counts and yeast & mould counts using partial least square regression (PLS-R) and artificial neural networks (ANN) from FTIR data. Raw FTIR data and its first derivative were exploited for model building. Models built with both ANN and PLS-R using FTIR data demonstrated a high correlation value of R2 > 0.85 for 10 °C stored samples. Variable importance projection score obtained from PLS-R models suggested production of acids after utilization of sugars due to microbial activity during storage. Feasibility of utilising FTIR as a rapid non-destructive methodology for estimation of microbial counts for fresh cut jackfruit is demonstrated.
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The raw FTIR data is available in data repository https://data.mendeley.com//datasets/2rvxddkhy8/1
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This research was possible by utilizing the resources of Bhabha Atomic Research Center, India.
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Adiani, V., Gupta, S. & S.Variyar, P. FTIR-based rapid microbial quality estimation of fresh-cut jackfruit (Artocarpus heterophyllus) bulbs. Food Measure 16, 1944–1951 (2022). https://doi.org/10.1007/s11694-022-01312-6
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DOI: https://doi.org/10.1007/s11694-022-01312-6