Comparative bioactivity screening and chitosan nanoparticle formulation of pharmacy-grade medicinal tea extracts used for common cold. (PubMed, Int J Environ Health Res) - Sep 29, 2026 - "Chitosan nanoparticles (NPs) of the six most active extracts obtained from these three plants were prepared, with particle sizes of 289.29-354.36 nm, zeta potentials of 2.27-2.78 mV, PDI of 0.202-0.258, and encapsulation efficiencies of 68.27-74.57%. HPLC-DAD analysis of the active extracts identified rosmarinic acid, chlorogenic acid, rutin, luteolin, and hesperidin as major phenolics."
Journal • Respiratory Diseases
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Berna Özbek-Çelik; Fatma Betül Zengin; Meryem Özdemir; Sevda Süzgeç-Selçuk
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