Description_x000D_ General description_x000D_ Chlorophyll a is an important green or blue color pigment in most organisms, which is implicated in oxygenic photosynthesis. It functions as an antenna pigment in photosystems I and II._x000D_ Application_x000D_ A procedure has been described for harvesting native light-harvesting complex IIb (LHCIIb)._x000D_ Chlorophyll a has been used:_x000D_ • in the identification of pheophytin a from environmentally friendly cultivated green peppers_x000D_ • for the high performance liquid chromatography (HPLC) analysis of carotenoid_x000D_ • to determine specific absorption coefficients of chlorophylls a and b in dimethyl sulfoxide (DMSO) and acetone_x000D_ • to sense different nitric oxide (NO) species_x000D_ Packaging_x000D_ 1, 5, 10 mg in ampule_x000D_ Sealed ampule.