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A daily dose of Chrysanthemum flower extract was found to significantly reduce serum uric acid levels, potentially improving hyperuricemia.
2022 Functional Foods in Health and Disease Effects of luteolin-rich chrysanthemum flower extract on purine base absorption and blood uric acid in Japanese subjects Takara T, Yamamoto K, Suzuki N, Yamashita S, Iio S, Kakinuma T, et al.
Randomised Controlled Trial Chrysanthemum Luteolin Uric Acid
In the methodology, two studies were conducted where 44 healthy Japanese men and women with slightly elevated serum uric acid levels were split into two groups, active and placebo, using a randomized computerized system. The active group received 100mg of Chrysanthemum flower extract containing 1mg of luteolin. In the first study, purine naturally found in food was ingested alongside the flower extract, and the participants' serum uric acid levels were measured over time. In the second study, the extract or a placebo was taken daily over 12 weeks. Changes in uric acid levels were the primary outcome, and blood, urine, and body parameters were checked to confirm the safety of the extract.
For the results, in the first study, there were no significant differences found in serum uric acid levels between the group that consumed the extract and the placebo group following a purine-rich meal. However, in the second study spanning 12 weeks, the group that took the Chrysanthemum flower extract had significantly lower uric acid levels than the placebo group. Safety tests showed no adverse effects from taking the extract.
Luteolin, found in chrysanthemum flower extract, can potentially reduce serum uric acid levels, suggesting it may help prevent gout.
2017 Integrative Molecular Medicine Luteolin-rich chrysanthemum flower extract suppresses baseline serum uric acid in Japanese subjects with mild hyperuricemia Hirano M, Takeda S, Hitoe S, Shimoda H
Randomised Controlled Trial Chrysanthemum Gout Luteolin
The research involved two double-blind placebo-controlled studies examining the impacts of chrysanthemum flower extract enriched with luteolin on serum uric acid levels. In a single-dose study, fasting participants consumed a capsule loaded with the luteolin-rich extract before partaking in a high purine meal, with uric acid levels evaluated over time. The second study involved repeated consumption of the capsule over a 4-week period, with fasting serum uric acid measured before and after consumption.
The research found that although luteolin did not significantly affect uric acid levels immediately after consumption, there was an observed decrease in these levels following four weeks of continued ingestion. Most notably, subjects with a baseline uric acid level between 5.5 to 7.0 mg/dL saw a significant reduction after they consumed chrysanthemum flower extract. The trial also established that no adverse effects resulted from the ingestion of the extract.