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. 2021 Jan 13;11:871. doi: 10.1038/s41598-020-79387-8

Figure 2.

Figure 2

Response surface contour plots showing the relationship of α-carotene (A), β-carotene (B), β-cryptoxanthin (C), and lycopene (D) and PMI with Matsuda ISI. The contour plots are colored to aid in better visualization of the graphics.