Cloudberry (Rubus chamaemorus) - Arctic Gold: High Ellagitannin Density, Vitamin C, and Sub-Zero Dermal Lipid Defense

The Amber "Arctic Gold" of the Lapland Peatlands

Revered across northern Scandinavia and Finland as "Arctic Gold" (Hilla / Lakka), the delicate single amber berries of Cloudberry (Rubus chamaemorus) grow exclusively in wild, peat-rich sub-Arctic bogs where temperatures plunge below -40°C.

1. High-Density Ellagitannins & Urolithins

• Ellagitannins (Castalagin, Sanguiin H-6): Converted by the distal human colonic microbiome into Urolithin A, a bioactive metabolite that stimulates mitophagy (the recycling of aging mitochondria).
• Four Times More Vitamin C Than Oranges: Shields Arctic travelers from winter scurvy and supports collagen synthesis.

2. References & Clinical Citations

• Kähkönen, M., et al. (2001). Berry phenolics and their antioxidant activity. Journal of Agricultural and Food Chemistry, 49(8), 4076-4082. [PubMed: 11513713]
• Jaakkola, M., et al. (2012). Extraction of cloudberry (Rubus chamaemorus) tannins and their antimicrobial properties. Journal of Agricultural and Food Chemistry, 60(11), 2824-2831.

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