Herbacetin is a
flavonol
Flavonols are a class of flavonoids that have the 3-hydroxyflavone backbone (IUPAC name: 3-hydroxy-2-phenylchromen-4-one). Their diversity stems from the different positions of the phenolic –OH groups. They are distinct from flavanols (with ...
, a type of flavonoid.
Glycosides
Herbacetin diglucoside can be isolated from
flaxseed
Flax, also known as common flax or linseed, is a flowering plant, ''Linum usitatissimum'', in the family Linaceae. It is cultivated as a food and fiber crop in regions of the world with temperate climates. In 2022, France produced 75% of the ...
hulls.
Rhodionin is a herbacetin
rhamnoside
Rhamnose (Rha, Rham) is a naturally occurring deoxy sugar. It can be classified as either a methyl-pentose or a 6-deoxy-hexose. Rhamnose predominantly occurs in nature in its L-form as L-rhamnose (6-deoxy-L-mannose). This is unusual, since most o ...
found in ''
Rhodiola
''Rhodiola'' is a genus of perennial plants in the family Crassulaceae that resemble '' Sedum'' and other members of the family. Like sedums, ''Rhodiola'' species are often called stonecrops. Some authors merge ''Rhodiola'' into ''Sedum''.
' ...
'' species.
Other related compounds
Rhodiolin, a
flavonolignan Flavonolignans are natural phenols composed of a part flavonoid and a part phenylpropane.
Examples
Flavonolignans identified in ''Silybum marianum'' (milk thistle) silymarin complex include silibinin, silychristin, silydianin, dehydrosilybin, ...
, is the product of the oxidative coupling of
coniferyl alcohol
Coniferyl alcohol is an organic compound with the formula HO(CH3O)C6H3CH=CHCH2OH. A colourless or white solid, it is one of the monolignols, produced via the phenylpropanoid biochemical pathway. When copolymerized with related aromatic compound ...
with the 7,8-dihydroxy grouping of herbacetin. It can be found in the rhizome of ''
Rhodiola rosea
''Rhodiola rosea'' (commonly golden root, rose root, roseroot, Aaron's rod, Arctic root, king's crown, ''lignum rhodium'', orpin rose) is a perennial plant, perennial flowering plant in the family Crassulaceae. It grows naturally in wild Arctic ...
''.
References
Flavonols
Hydroxyquinols
Pentols
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