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. 2020 Jan 17;9(1):98. doi: 10.3390/foods9010098

Figure 1.

Figure 1

(A) Superimposed normalized Fourier-transform near infrared spectroscopy (FT-NIR) spectra (absorbance vs. wave numbers) of single berries for “Autumn Royal” (blue) and “Victoria” (red). Normalized spectra with maturity level-based coloration: “Autumn Royal” (B) and “Victoria” (C). Averaged spectra for each maturity level: “Autumn Royal” (D) and “Victoria” (E).