Abstract
Anthocyanins, a sub‐class of flavonoids, are natural pigments known as functional health benefits. Sorghum (Sorghum bicolor) is a rich source of various phytochemicals including anthocyanins. In this study, 25 sorghum accessions with a wide variety of pigmented pericarp were grown in Florence, South Carolina during 2012. The profile of anthocyanins were identified and quantitated by HPLC‐MS/MS. A total of 11 anthocyanins were identified and detected in sorghum bran. The predominant anthocyanins found in sorghums were 3‐deoxyanthocyanidins including the unique apigeninidin and leuteolinidin. The high levels of anthocyanins were found in eight accessions with purple or red pericarp (PI221723, PI297139, PI35038, PI229830, PI221610, PI533902, PI229838, and PI533957), while anthocyanins are undetectable in the sorghums with white‐yellow bran (PI65007, PI561072 and PI565121). Furthermore, total anthocyanin contents at apigeninidin equivalent in each accession were quantitated. Establishing a database of anthocyanin profile in various sorghum accessions may lead to the development of novel functional sorghum products for human health benefits (supported by USDA Cooperative KS511‐1001903).
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