Thirteen kinds of anthocyanins were identified in freeze dried crowberry extract. The total content was higher than nine other major berry species. It also held the highest antioxidant content.
Crowberries are suggested to help prevent chronic diseases due to their high antioxidant activity. KH Fairbanks
Kenjirou, Ogawa. Hiroyuki, Sakakibara.Rei, Iwata.Takeshi, Ishii. Tsutomu, Sato. Toshinao, Goda. Kayoko, Shimoi. And Shigenori, Kumazawa. 2008. “Anthocyanin Composition and Antioxidant Activity of the Crowberry.” Journal of Agric.Food Chem. 56 (12) pp4457-4462.