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Title: Myricitrin  
Author: World Heritage Encyclopedia
Language: English
Subject: Myricetin, Flavonols
Publisher: World Heritage Encyclopedia


CAS number  Y
ChemSpider  N
Jmol-3D images Image 1
Molecular formula C21H20O12
Molar mass 464.37 g/mol
Density 1.882 g/mL
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)

Myricitrin is a chemical compound. Myricitrin is the 3-O-rhamnoside of myricetin.


It can be isolated from the root bark of Myrica cerifera (Bayberry, a small tree native to North America), in Myrica esculenta, in Nymphaea lotus[1] and N. odorata, in Chrysobalanus icaco[2] and in Polygonum aviculare.[3]

Myricitrin is used by several beetle species in their communication system.[4] These include Plagioderma versicolora, Agelastica coerulea, Atrachya menetrisi, Altica nipponica, Altica oleracea, Gastrolina depressa.

Health effect

Myricitrin is a nitric oxide and protein kinase C inhibitor and exhibits antipsychotic-like and anxiolytic-like effects in animal models of psychosis and anxiety respectively.[5]


  1. ^ Elegami, AA; Bates, C; Gray, AI; MacKay, SP; Skellern, GG; Waigh, RD (2003). "Two very unusual macrocyclic flavonoids from the water lily Nymphaea lotus". Phytochemistry 63 (6): 727–31. PMID 12842147. doi:10.1016/S0031-9422(03)00238-3. 
  2. ^ Barbosa, Wagner Luiz R.; Peres, Amiraldo; Gallori, Sandra; Vincieri, Franco F. (2006). "Determination of myricetin derivatives in Chrysobalanus icaco L. (Chrysobalanaceae)". Revista Brasileira de Farmacognosia 16 (3): 333. doi:10.1590/S0102-695X2006000300009. 
  3. ^ LC Method for Analysis of Three Flavonols in Rat Plasma and Urine after Oral Administration of Polygonum aviculare Extract. Fuquan Xu, Huashi Guan, Guoqiang Li and Hongbing Liu, Chromatographia, June 2009, Volume 69, Issue 11-12, pages 1251-1258, doi:10.1365/s10337-009-1088-x
  4. ^ Myricitrin on
  5. ^ Pereira, M; Siba, IP; Chioca, LR; Correia, D; Vital, MA; Pizzolatti, MG; Santos, AR; Andreatini, R (August 2011). "Myricitrin, a nitric oxide and protein kinase C inhibitor, exerts antipsychotic-like effects in animal models" (PDF). Progress in Neuro-Psychopharmacology & Biological Psychiatry 35 (7): 1636–44. PMID 21689712. doi:10.1016/j.pnpbp.2011.06.002. 
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