Girasol definition, an opal that reflects light in a bright luminous glow. See more.
Pheophytin or phaeophytin (abbreviated Pheo) is a chemical compound that serves as the first electron carrier intermediate in the electron transfer pathway of Photosystem II (PS II) in plants, and the photosynthetic reaction center (RC P870) found in purple bacteria.
Phenethylamine (PEA), also known as Î²-phenylethylamine (Î²-PEA) and 2-phenylethan-1-amine, is an organic compound, natural monoamine alkaloid, and trace amine which acts as a central nervous system stimulant in humans.