title: Near infrared spectral linearisation in quantifying soluble solids content of intact carambola.
abstract: 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 (R2) = 0.724 and a root mean square error of prediction for (RMSEP) = 0.461° Brix. The results from this technique produced a highly accurate and stable prediction model compared with multiple linear regression techniques.
authors.affiliation: School of Physics, Universiti Sains Malaysia, Penang 11800, Malaysia. fairuz_omar@usm.my
authors.forename: Ahmad Fairuz
authors.initials: AF
authors.lastname: Omar
authors.forename: Mohd Zubir
authors.initials: MZ
authors.lastname: MatJafri
mesh_terms: D002138:Calibration; D005638:Fruit / Q000737:chemistry*; D016014:Linear Models; D012995:Solubility; D019265:Spectroscopy, Near-Infrared / Q000379:methods*