dihydroflawonolu

The term dihydroflawonolu does not correspond to a standard entry in major chemical databases. It is likely a misspelling or conflation of terms such as dihydroflavonol or dihydroflavonoid. This article treats the more widely used concept of dihydroflavonol and notes that precise identification may require additional context or alternate spelling.

Dihydroflavonols are flavonoids in which the C2-C3 bond of the central heterocycle is saturated, giving a dihydroflavonol skeleton. They are hydrogenated derivatives of flavonols and are typically characterized by specific patterns of hydroxylation on the A and B rings. Common examples include dihydrokaempferol and dihydroquercetin (taxifolin), which differ in their hydroxyl substitution.

In plants, dihydroflavonols are intermediates in the biosynthesis of anthocyanins. They are formed from flavanones by flavanone 3-hydroxylase and then serve as substrates for dihydroflonol 4-reductase, which reduces them to leucoanthocyanidins in the anthocyanin pathway. Beyond their role as pathway intermediates, dihydroflavonols can occur as free metabolites and may contribute to antioxidant activity in plant tissues.

Occurrence and analytical detection of dihydroflavonols vary across species and tissues, with concentrations typically lower than their flavonoid precursors. They are commonly studied using chromatographic techniques such as high-performance liquid chromatography coupled with mass spectrometry.

If the intended term refers to a specific compound or a regional naming variation, providing a synonym, source, or structural details would help clarify the exact identity.