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Item Metadata only Screening medicinal plant extracts for larvicidal properties and other effects on Aedes Aegypti (Diptera : Culicidae) and toxicity to a non-target organism(Mahidol University. Mahidol University Library and Knowledge Center, 2023) Suwannee Promsiri; Amara Naksathit; Maleeya KruatrachueThe present study is composed of three parts. The first part was a screening of medicinal plant extracts for larvicidal properties on Aedes aegypti and toxicity to nontarget organisms. A preliminary study was conducted on Ae. aegypti for the effects... of extracts of one hundred and twelve medicinal plant species collected from the southern part of Thailand. Studies of the larvicidal properties of extracts against the third and fourth instar larvae of Ae. aegypti determined fourteen species to have highItem Metadata only Hypoglycemic activities of the extract of Thai traditional herbal formula used in Wang-Nam-Yen Hospital(Mahidol University. Mahidol University Library and Knowledge Center, 2023) Kullacha Chayarop; Rungravi Temsiririrkkul; Penchom Peungvicha; Yuvadee Wongkrajang; Wongsatit Chuakul; Piyanuch Rojsangaand safety of this herbal formula, its in vivo and in vitro hypoglycaemic activity, effect on serum biochemical profiles and acute toxicity were investigated. Aqueous extract of the herbal formula was the most potent extract for improving glucose tolerance... levels. Moreover, there were no signs or symptoms of acute toxicity observed after oral administration of aqueous extract (5 g/kg) to both male and female rats. The aqueous extract exhibited moderate α-glucosidase inhibitory activity against maltase (IC