Definition of acetogenic lipids: acetogenic lipids are lipids built from acetate (2-carbon) subunits with hydrocarbon alkenones (alkenones are also known as ketones, and are any compound with a C-O bond). We think of different types of acetogenic lipids in their use as biomarkers:
- Fatty acids, alcohols, ether lipids
- Complex polar lipids with long alkyl chains
Photo: Acetogenic lipids.
>>Biomarker classification
>>>Lipids
>>>>Acetogenic lipids
>>>>Isoprenoids
>>>>Acyclic and cyclic isoprenoids
>>>>Polycyclic isoprenoids
>>>>Hopanoids
>>>>Steroids
>>>>Carotenoids
>>>>Squalene
>>>Kerogen
>>>Diagenesis and catagenesis
>>Biomarker as Source Indicator
>>>Steranes, hopanes etc
>>>Hydrocarbons
>>>Environmental Indicators
>>>Indicators of Euxinia
>>Experimental methods to extract biomarkers
>>>Source rock
>>>Extraction
>>>Fractionation
>>>GCMS