Myricitrin is a plant compound, the 3-O-α-L-rhamnopyranoside of

myricetin Myricetin is a member of the flavonoid class of polyphenolic compounds, with antioxidant properties. Common dietary sources include vegetables (including tomatoes), fruits (including oranges), nuts, berries, tea, and red wine. Myricetin is structu ...

Occurrences

It can be isolated from the root bark of ''

Myrica cerifera ''Myrica cerifera'' is a small evergreen tree or large shrub native to North and Central America and the Caribbean. Its common names include southern wax myrtle, southern bayberry, candleberry, bayberry tree, and tallow shrub. It sees uses both ...

'' (Bayberry, a small tree native to North America), in ''

Myrica esculenta ''Myrica esculenta'' is a tree or large shrub native to the hills of northern India, southern Bhutan and Nepal. Its common names include box myrtle, bayberry and kaphal. Its berries are edible and are consumed locally. It is the state fruit ...

'', in ''

Nymphaea lotus ''Nymphaea lotus'', the white Egyptian lotus, tiger lotus, white lotus or Egyptian white water-lily, is a flowering plant of the family Nymphaeaceae. Distribution It grows in various parts of East Africa and Southeast Asia. The ''Nymphaea lot ...

'' and '' N. odorata'', in ''

Chrysobalanus icaco ''Chrysobalanus'' is a genus of evergreen perennial shrubs to small trees, described as a genus by Linnaeus in 1753. It is native to sub-tropical and tropical regions of Africa, Latin America, and Florida Florida is a state located in th ...

'' and in ''

Polygonum aviculare ''Polygonum aviculare'' or common knotgrass is a plant related to buckwheat and dock. It is also called prostrate knotweed, birdweed, pigweed and lowgrass. It is an annual found in fields and wasteland, with white flowers from June to October. ...

''. Myricitrin is used by several beetle species in their communication system. These include '' Plagioderma versicolora'', '' Agelastica coerulea'', '' Atrachya menetrisi'', '' Altica nipponica'', ''

Altica oleracea ''Altica oleracea'' is a species of leaf beetle belonging to the family Chrysomelidae, subfamily Galerucinae. Etymology Its specific name ''oleracea'' means "related to vegetables/herbs" in Latin and is a form of (). Subspecies Subspecies in ...

'', '' Gastrolina depressa''.

Health effect

Myricitrin is a

nitric oxide Nitric oxide (nitrogen oxide or nitrogen monoxide) is a colorless gas with the formula . It is one of the principal oxides of nitrogen. Nitric oxide is a free radical: it has an unpaired electron, which is sometimes denoted by a dot in its ...

and

protein kinase C In cell biology, Protein kinase C, commonly abbreviated to PKC (EC 2.7.11.13), is a family of protein kinase enzymes that are involved in controlling the function of other proteins through the phosphorylation of hydroxyl groups of serine and ...

inhibitor and exhibits antipsychotic-like and anxiolytic-like effects in animal models of psychosis and anxiety respectively.

References

{{flavonol Flavonol rhamnosides