May 2025 in “REVISTA DA ASSOCIAÇÂO DE FARMÁCIAS VIVAS” This study introduced an innovative antioxidant serum for skin care, using a lipid active from Rana catesbeiana Shaw, and validated its rejuvenating potential through physical-chemical and microbiological tests that ensured its antioxidant effectiveness, microbiological safety, and formulation stability.
This study found that the ethanolic extract of Guazuma ulmifolia, or mutamba, showed only intermediate levels of phenolic compounds and low antioxidant activity in laboratory tests, suggesting limited potential in alleviating oxidative stress conditions like cancer or cardiovascular diseases.
November 2016 in “Universiti Putra Malaysia Institutional Repository (Universiti Putra Malaysia)” This study found that Dendrobium sabin flower extracts, especially the methanolic one, demonstrated strong antioxidant and anti-aging properties without significant toxicity, suggesting its potential in treating photo-induced skin aging.
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May 2025 in “Antioxidants” This study examined the phytochemicals and antioxidant activities of methanolic extracts from Cameroonian Prunus africana bark and Leea indica and Paullinia pinnata leaves, identifying various phenolic compounds and significant antioxidant properties through multiple assays.
May 2021 in “Boletín latinoamericano y del Caribe de plantas medicinales y aromáticas” This study found that ethanolic extracts of Microsechium helleri showed notable antioxidant, hypoglycemic, and cardioprotective activities, while chloroformic extracts exhibited significant anti-inflammatory effects in experimental models.