Chlorin

Magnesium-containing chlorins are called chlorophylls, and are the central photosensitive pigment in chloroplasts. Related compounds, with two pyrroles and two pyrrolines (which are like pyrroles with one double bond reduced to a single bond) in the macrocycle are called bacteriochlorins and isobacteriochlorins. Because of their photosensitivity, ...
Found on http://en.wikipedia.org/wiki/Chlorin

chlorin

2,3-Dihydroporphin(e); 2,3-dihydroporphyrin;one of the root structures of the chlorophylls (for structure, see porphyrin). Addition of the two-carbon bridge (see structure of chlorophyll) to chlorin yields phorbin(e); addition of side chains yields the phorbides, distinguished by a number of arbitrary prefixes (those found in the chlorophylls are p...
Found on http://www.encyclo.co.uk/local/20973

chlorin

Type: Term Pronunciation: klōr′in Definitions: 1. One of the root structures of the chlorophylls (see porphyrin). Addition of the two-carbon bridge (see chlorophyll) to chlorin yields phorbin(e); addition of side chains yields the phorbides, distinguished by a number of arbitrary prefixes (those found in the chlorophylls are pheo- and ba...
Found on http://www.medilexicon.com/medicaldictionary.php?t=16875
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