Zeta Mature Melons -

Source: Kumar, R., et al. (2017). Characterization of Zeta-Carotene Isomerase from Mature Melon Fruits. Journal of Agricultural and Food Chemistry, 65(2), 533-541.

Source: Zhang, Y., et al. (2019). Zeta-carotene accumulation in mature melon fruits is associated with a shift in the carotenoid biosynthetic pathway. Scientia Horticulturae, 249, 247-255. zeta mature melons

A very specific topic!