Journal
SENSORS
Volume 13, Issue 4, Pages 4876-4883Publisher
MDPI
DOI: 10.3390/s130404876
Keywords
carambola; NIR; soluble solids content; spectral linearisation
Funding
- Universiti Sains Malaysia Research University Grant [1001/PFIZIK/811153]
- Research University Postgraduate Research Grant Scheme [1001/PJJAUH/843028]
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This study presents a novel application of near infrared (NIR) spectral linearisation for measuring the soluble solids content (SSC) of carambola fruits. NIR spectra were measured using reflectance and interactance methods. In this study, only the interactance measurement technique successfully generated a reliable measurement result with a coefficient of determination of (R-2) = 0.724 and a root mean square error of prediction for (RMSEP) = 0.461 degrees Brix. The results from this technique produced a highly accurate and stable prediction model compared with multiple linear regression techniques.
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