HPLC method quantifies anthocyanins and flavonoids in Roselle calyces, suggesting implications for natural product stability.
An HPLC method was developed for simultaneous analysis of anthocyanins, chlorogenic acids and flavonoids in Roselle calyces, i.e. delphinidin-3-O-sambubioside, cyanidin-3-O-sambubioside, 3-caffeoylquinic acid, 5-caffeoylquinic acid, 4-caffeoylquinic acid, rutin, myricetin, quercetin and...
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Hu et al. (2026) studied this question.
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