Arachnopigmentation

Abdiel M. Lozada-Valcárcel
Biology Department
University of PuertoRico, Río Piedras Campus
IRG 1. Advisor: Dr. Elvira Cuevas

The test tubes containing different pigments are lined up to represent a spider The black and white background delimits the presence or total absence of color, respectively.

The colors belong to different biological pigments chlorophyll a-b (green), xanthophylls (yellow), carotenes (orange) and anthocyanins (violet).  These molecules were extracted with ethanol from leaves of different plant functional groups collected from Ciénaga Las Cucharillas in Cataño P R The image was edited via Snapseed and Powerpoint.