Cerotic acid, or hexacosanoic acid, is a 26-
carbon
Carbon () is a chemical element; it has chemical symbol, symbol C and atomic number 6. It is nonmetallic and tetravalence, tetravalent—meaning that its atoms are able to form up to four covalent bonds due to its valence shell exhibiting 4 ...
long-chain
saturated fatty acid
In chemistry, in particular in biochemistry, a fatty acid is a carboxylic acid with an aliphatic chain, which is either saturated or unsaturated. Most naturally occurring fatty acids have an unbranched chain of an even number of carbon atoms, ...
with the
chemical formula
A chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule, using chemical element symbols, numbers, and sometimes also other symbols, such as pare ...
. It is most commonly found in
beeswax
Bee hive wax complex
Beeswax (also known as cera alba) is a natural wax produced by honey bees of the genus ''Apis''. The wax is formed into scales by eight wax-producing glands in the abdominal segments of worker bees, which discard it in o ...
and
carnauba wax
Carnauba (; ), also called Brazil wax and palm wax, is a wax of the leaves of the carnauba palm '' Copernicia prunifera'' (synonym: ''Copernicia cerifera''), a plant native to and grown only in the northeastern Brazilian states of Ceará, Piau ...
. It is a white solid, although impure samples appear yellowish.
The name is derived from the
Latin
Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...
word ''cerotus'', which in turn was derived from the
Ancient Greek
Ancient Greek (, ; ) includes the forms of the Greek language used in ancient Greece and the classical antiquity, ancient world from around 1500 BC to 300 BC. It is often roughly divided into the following periods: Mycenaean Greek (), Greek ...
word
κηρός (keros), meaning beeswax or honeycomb.
Cerotic acid is also a type of
very long chain fatty acid that is often associated with the disease
adrenoleukodystrophy
Adrenoleukodystrophy (ALD) is a genetic disorder, disease linked to the X chromosome. It is a result of fatty acid buildup caused by failure of peroxisome#Metabolic functions, peroxisomal fatty acid beta oxidation which results in the accumulation ...
, which involves the excessive accumulation of unmetabolized fatty acid chains, including cerotic acid, in the
peroxisome
A peroxisome () is a membrane-bound organelle, a type of microbody, found in the cytoplasm of virtually all eukaryotic cells. Peroxisomes are oxidative organelles. Frequently, molecular oxygen serves as a co-substrate, from which hydrogen perox ...
.
See also
*
List of saturated fatty acids
Saturated fatty acids are fatty acids that make up saturated fats.
Straight-chain
Saturated straight-chain fatty acids:
Branched-chain
Saturated branched-chain fatty acids:
See also
*List of unsaturated fatty acids
*Carboxylic acid
...
*
Very long chain fatty acids
References
Fatty acids
Alkanoic acids
{{OrganicAcid-stub