All posts tagged with Roselle calyces

(Natural News) Extracts from hibiscus calyces could be used as a natural food coloring, which can provide health benefits at the same time, according to a study published in the journal Food Science and Human Wellness. The study, written by Aly R. Abdel-Moemin from Helwan University in Egypt, evaluated the effect of hibiscus calyces extract on the chemical and […]