Kalanchoe daigremontiana from Ornamental to Pharmaceutical Applications

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Abstract
Kalanchoe daigremontiana, a succulent herbaceous plant in the Crassulaceae family from Madagascar, has gained global popularity as an ornamental and medicinal species. This review examines the traditional uses, phytochemical composition, biological properties, toxicological aspects, and regulatory challenges of K. daigremontiana. The traditional medicinal uses of its leaves and roots include treating burns, rheumatic disorders, hypertension, diabetes, kidney pain, diarrhea, cough, fever, gastric issues, anxiety, inflammation, and cancer. Chemical compounds identified include phenolic acids, flavonoids, tannins, alkaloids, glycosides, saponins, sterols, terpenes, and fatty acids, with phenolic compounds and bufadienolides being predominant. In vitro studies of the crude extracts, bufadienolide-rich fractions, and isolated compounds have shown antioxidant, antibacterial, antifungal, antiviral, antiparasitic, anthelmintic, anti-inflammatory, anticoagulant, anti-aging, cytotoxic, antitumoral, and antiproliferative properties. In vivo studies have demonstrated hepatoprotective, skincare, and cardiac-glycoside-like effects. While crude extracts and bufadienolide-rich fractions have shown toxic effects in 2-week-old chicks, guinea pigs, and Artemia salina, no toxicity has been reported in goats, broiler chickens, laying hens, or human erythrocytes. Although K. daigremontiana-based products are commercially available as dietary supplements with various health claims, these lack scientific validation. Despite the potential pharmaceutical applications of K. daigremontiana, further research is needed to determine its effects, dosage, mechanisms, long-term safety, and side effects, with clinical studies essential to validate its therapeutic potential.

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