New crystalline salts of nicotinamide riboside as food additives

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Abstract

NR+ is a highly effective vitamin B3 type supplement due to its unique ability to replenish NAD+ levels. While NR+ chloride is already on the market as a nutritional supplement, its synthesis is challenging, expensive, and low yielding, making it cumbersome for large-scale industrial production. Here we report the novel crystalline NR+ salts, D/L/DL-hydrogen tartrate and D/L/DL-hydrogen malate. Their high-yielding, one-pot manufacture does not require specific equipment and is suitable for multi-ton scale production. These new NR+ salts seem ideal for nutritional applications due to their bio-equivalence compared to the approved NR+ chloride. In addition, the crystal structures of all stereoisomers of NR+ hydrogen tartrate and NR+ hydrogen malate and a comparison to the known NR+ halogenides are presented.

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Schabert, G., Haase, R., Parris, J., Pala, L., Hery-Barranco, A., Spingler, B., & Spitz, U. (2021). New crystalline salts of nicotinamide riboside as food additives. Molecules, 26(9). https://doi.org/10.3390/molecules26092729

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