Assertion: prostaglandin | /r/HasAspect | one double bond
Facets:
Source sentences:
text: Thus, prostaglandins of the 1 series have one double bond and are derived from dihomo-γ-linolenic acid, those of the 2 series have two double bonds and are derived from arachidonic acid, and those of the 3 series have three double bonds and are derived from eicosapentaenoic acid (Fig. 2).
text: For example, in prostaglandin F 2α (PGF 2α ), the F indicates that the prostaglandin has two hydroxyl groups in the cyclopentanone ring (F series), the 2 indicates that it has two double bonds, and the α indicates that its hydroxyl grouping at carbon 9 is in the α configuration.