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.
Physostigmine (also known as eserine from esere, Ã©sÃ©rÃ© The West african name for The calabar) bean is a parasympathomimetic, alkaloid, specifically a reversible cholinesterase. Inhibitor it occurs naturally in The calabar. Bean the chemical was synthesized for the first time in 1935 By Percy Lavon julian And Josef. piklhysostigmine acts by interfering with the metabolism of acetylcholine. It is a covalent (reversible-bond hydrolyzed and released) inhibitor of acetylcholinesterase, the enzyme responsible for the breakdown of acetylcholine in the synaptic cleft of the neuromuscular junction.