Procyanidin A1

Catalog No. size PriceQuantity
M6820-2 2mg solid $154
M6820-10 10mg solid $603



Product Information

Procyanidin A1 (Proanthocyanidin A1) is a procyanidin dimer, which inhibits degranulation downstream of protein kinase C activation or Ca2+ influx from an internal store in RBL-213 cells. Procyanidin A1 has antiallergic effects.




Proanthocyanidin A1


Molecular Weight 576.50


Chemical Formula:C₃₀H₂₄O₁₂


Smiles Code:




Room temperature in continental US; may vary elsewhere.


Storage Condition: 

4°C, protect from light


In Vivo

Procyanidin A1 suppress serum IgE and IgG1 levels in mice-immunized with ovalbumin.





  1. Tomochika K, et al. Effects of peanut-skin procyanidin A1 on degranulation of RBL-2H3 cells. Biosci Biotechnol Biochem. 2011;75(9):1644-8.


  1. Takano F, et al. Aqueous extract of peanut skin and its main constituent procyanidin A1 suppress serum IgE and IgG1 levels in mice-immunized with ovalbumin. Biol Pharm Bull. 2007 May;30(5):922-7.


Products are for research use only. Not for human use.

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