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Pinitol
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Pinitol is a , a cyclic . It is a known agent isolated from Sutherlandia frutescens leaves. plant tannins can be differentiated by their content of pinitol. It was first identified in the sugar pine ( Pinus lambertiana). It is also found in other plants, such as in the pods of the carob tree.

Certain variants of the bacteria Pseudomonas putida have been used in organic synthesis, the first example being the oxidation of , employed by in the synthesis of (±)-pinitol.


Glycosides
is a pinitol that can be isolated from seeds of , and .

A cyclitol derivative can be found in the marine sponge sp.


Biosynthesis
D-pinitol is the most widely distributed inositol ether in plants. In Angiosperms, D-pinitol has a relatively straight forward and short biosynthesis which proceeds via the Loewus pathway. The precursor to the biosynthesis pathway is glucose-6-phosphate, which is converted to D-ononitol (1-D-4-O-methyl-myo-inositol) via myo-inositol. Ononitol is epimerized to yield D-pinitol via a D-ononitol epimerase using NADPH as a cofactor.


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