tetraterpene
chemical compound
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major reference
- In isoprenoid: Tetraterpenes
The yellow, orange, or red fat-soluble plant and animal pigments, known as carotenoids, are classed as tetraterpenes, although they have in general the molecular formula C40H56, rather than C40H64. The fact that their structures can be built up from isoprene units justifies their classification…
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isoprenoids
- In isoprenoid: Structural classification of isoprenoids
triterpenes, C30H48; tetraterpenes, C40H64; and polyterpenes, (C5H8)n. Many of the isoprenoids possess carbon skeletons that may be regarded as built up from isoprene units linked “head to tail”; that is, carbon atom 1 of one unit is bonded to carbon atom 4 of the next unit.
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