Fig. 2. UV/Vis spectra of the films incorporating carotenoids (commercial b-carotene (BeC), tomato extract (T_E), shrimp extract (S_E)), and the control film. A: spectra from 200 to
700 nm of the four films at day 4. B, C, and D: spectra from 400 to 550 nm of BeC film, T_E film, and S_E film, respectively, as a function of storage time.
Fig. 2. UV/Vis spectra of the films incorporating carotenoids (commercial b-carotene (BeC), tomato extract (T_E), shrimp extract (S_E)), and the control film. A: spectra from 200 to700 nm of the four films at day 4. B, C, and D: spectra from 400 to 550 nm of BeC film, T_E film, and S_E film, respectively, as a function of storage time.
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