59 citations
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August 2014 in “International Journal of Biological Macromolecules” In this study, the researchers optimized the extraction conditions for crude polysaccharide from Hibiscus rosa-sinensis leaves, achieving a yield of 9.66% and demonstrated strong antioxidant activities in vitro.
October 2022 in “International journal of pharmaceutical sciences review and research” This study compared the antioxidant and antidiabetic activities of Hibiscus rosa-sinensis leaf extract and Eclipta alba bark extract, finding that Hibiscus rosa-sinensis exhibited greater antidiabetic activity, whereas Eclipta alba demonstrated stronger antioxidant activity.
March 2022 in “Journal of drug delivery and therapeutics” Sea hibiscus leaf extract at 30% concentration in a hair tonic significantly increased hair growth in guinea pigs.
128 citations
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September 2003 in “Journal of Ethnopharmacology” This study found that the petroleum ether extract from the leaves of Hibiscus rosa-sinensis demonstrated more effectiveness in promoting hair growth in rats compared to the extract from its flowers.
This study found that a 10% hibiscus leaf extract hair tonic demonstrated better hair growth activity than 2% minoxidil in rabbits but caused eye irritation.