The present invention is directed to rhodoxanthin formulations, whereby the rhodoxanthin is embedded in a matrix of a protective hydrocolloid, the protective hydrocolloid being preferably a modified food starch. The present invention is further directed to the manufacture of such formulations as well as to their use for colouring beverages, food or pharmaceutical compositions, whereby the rhodoxanthin formulations impart an intense red colour to those coloured beverages, food or pharmaceutical compositions. The beverages, food or pharmaceutical compositions which comprise the rhodoxanthin formulations are further aspects of this invention.本發明係關於紫松果黃素調配物,其中該紫松果黃素係嵌入在保護性親水膠體之基質中,該保護性親水膠體較佳為改質食物澱粉。本發明進一步關於此類調配物之製造以及其用於飲料、食物或醫藥組合物著色之用途,其中該等紫松果黃素調配物賦予彼等經著色飲料、食物或醫藥組合物以深紅色。包含該等紫松果黃素調配物之該等飲料、食物或醫藥組合物為本發明之其他態樣。