Abstract
Two acylated pelargonidin glycosides were isolated from red tubers of a anthocyanin-rich tetraploid potato which was successfully selected from hybrid seedlings between cultivars of Solanum tuberosum and S. andigena. The major pigment was identified as pelargonidin 3-O-[(4″-O-(trans-p- coumaroyl)-α- l-6″-rhamnopyranosyl -β- d-glucopyranoside ]-5-O-[β- d-glucopyranoside ] by chemical and spectral measurements, and another was determined to be pelargonidin 3-O-[(4″-O-(trans- feruloyl)-α- l-6″-rhamnopyranosyl-β- d-glucopyranoside ]-O-[β- d-glucopyranoside ] as a minor pigment.
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