Lambertianin C Explained

Lambertianin C is an ellagitannin.

Natural occurrence

Lambertianin C can be found in Rubus species such as Rubus lambertianus,^[1] in cloudberries (Rubus chamaemorus)^[2] and in red raspberries (Rubus idaeus).^[3]

Chemistry

Lambertianin C is trimer of casuarictin linked by sanguisorbic acid ester groups between glucopyranose moieties.^[1] It contributes to the in vitro antioxidant activity of raspberries.^[4]

External links

• Lambertianin C at www.phenol-explorer.eu

Notes and References

1. Tanaka . T.. Tachibana . H.. Nonaka . G.. Nishioka . I.. Hsu . F. L.. Kohda . H.. Tanaka . O.. Tannins and related compounds. CXXII. New dimeric, trimeric and tetrameric ellagitannins, lambertianins A-D, from Rubus lambertianus Seringe. Chemical and Pharmaceutical Bulletin. 41. 7. 1214–1220. 1993. 8374992 . 10.1248/cpb.41.1214. free.
2. Kähkönen . M. . Kylli . P. . Ollilainen . V. . Salminen . J. P. . Heinonen . M. . Antioxidant Activity of Isolated Ellagitannins from Red Raspberries and Cloudberries . 10.1021/jf203431g . Journal of Agricultural and Food Chemistry . 60 . 5 . 1167–1174 . 2012 . 22229937.
3. Mullen . W.. Stewart . A. J.. Lean . M. E.. Gardner . P.. Duthie . G. G.. Crozier . A.. Effect of freezing and storage on the phenolics, ellagitannins, flavonoids, and antioxidant capacity of red raspberries. Journal of Agricultural and Food Chemistry. 50. 18. 5197–5201. 2002. 12188629 . 10.1021/jf020141f.
4. Borges . G. . Degeneve . A. . Mullen . W. . Crozier . A. . Identification of Flavonoid and Phenolic Antioxidants in Black Currants, Blueberries, Raspberries, Red Currants, and Cranberries† . 10.1021/jf902263n . Journal of Agricultural and Food Chemistry . 58 . 7 . 3901–3909 . 2010 . 20000747.