Lambertianin C is an ellagitannin.
Natural occurrence Lambertianin C can be found in Rubus species such as Rubus lambertianus, in cloudberries (Rubus chamaemorus) and in red raspberries (Rubus idaeus).
Chemistry Lambertianin C is trimer of casuarictin linked by sanguisorbic acid ester groups between glucopyranose moieties. It contributes to the in vitro antioxidant activity of raspberries.
References
External links Lambertianin C at www.phenol-explorer.eu