{"id":6537,"date":"2026-09-07T11:13:27","date_gmt":"2026-09-07T04:13:27","guid":{"rendered":"https:\/\/www2.si.mahidol.ac.th\/department\/biochemistry\/?p=6537"},"modified":"2026-09-07T11:15:16","modified_gmt":"2026-09-07T04:15:16","slug":"%ce%b2-sitosterol-isolated-from-the-leaves-of-trema-orientalis-cannabaceae-promotes-viability-and-proliferation-of-bf-2-cells","status":"publish","type":"post","link":"https:\/\/www2.si.mahidol.ac.th\/department\/biochemistry\/%ce%b2-sitosterol-isolated-from-the-leaves-of-trema-orientalis-cannabaceae-promotes-viability-and-proliferation-of-bf-2-cells\/","title":{"rendered":"\u03b2-sitosterol isolated from the leaves of Trema orientalis (Cannabaceae) promotes viability and proliferation of BF-2 cells"},"content":{"rendered":"<p>Amita Mekarunothai, Markus Bacher, Raveevatoo Buathong, Saraphorn Intarasam, Ngampuk Tayana, Sumet Kongkiatpaiboon, Theppanya Charoenrat, Tiwtawat Napiroon<\/p>\n<h2 class=\"title\">Abstract<\/h2>\n<div id=\"eng-abstract\" class=\"abstract-content selected\">\n<div class=\"title\">\n<p>Trema orientalis is a pioneer species in the cannabis family (Cannabaceae) that is widely distributed in Thai community forests and forest edges. The mature leaves are predominantly used as an anti-parasite treatment and feed for local freshwater fish, inspiring investigation of their phytochemical composition and bioactivity. The purpose of this work was to investigate the bioactive compounds in T. orientalis leaf extract and their cytotoxicity in the BF-2 fish cell line (ATCC CCL-91). Flash column chromatography was used to produce 25 mL fractions with a mixture solvent system comprised of hexane, diethyl ether, methanol, and acetone. All fractions were profiled with HPLC-DAD (mobile phase methanol:aqueous buffer, 60:40 v\/v) and UV detection (wavelengths 256 and 365 nm). After drying, a yellowish powder was isolated from lipophilic leaf extract with a yield of 280 \u00b5g\/g dry weight. Structure elucidation by nuclear magnetic resonance (NMR) indicated it to consist of pure \u03b2-sitosterol. The lipophilic extract and pure compound were evaluated for cytotoxicity using BF-2 cells. MTT assays showed both leaf extract and pure compound at 1 \u00b5g\/mL to increase cell viability after 24 h treatment. The respective half maximal inhibitory concentration (IC50) values of leaf extract and \u03b2-sitosterol were 7,027.13 and 86.42 \u00b5g\/ml, indicating a lack of toxicity in the BF-2 cell line. Hence, T. orientalis can serve as a source of non-toxic natural lipophilic compounds that can be useful as bioactive ingredients in supplement feed development.<\/p>\n<p><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/38282858\/\">https:\/\/pubmed.ncbi.nlm.nih.gov\/38282858\/<\/a><\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Amita Mekarunothai, Markus Bacher, Raveevatoo Buathong, [&#8230;]\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-6537","post","type-post","status-publish","format-standard","hentry","category-3"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u03b2-sitosterol isolated from the leaves of Trema orientalis (Cannabaceae) promotes viability and proliferation of BF-2 cells - 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\u0e20\u0e32\u0e04\u0e27\u0e34\u0e0a\u0e32\u0e0a\u0e35\u0e27\u0e40\u0e04\u0e21\u0e35 \u0e04\u0e13\u0e30\u0e41\u0e1e\u0e17\u0e22\u0e28\u0e32\u0e2a\u0e15\u0e23\u0e4c\u0e28\u0e34\u0e23\u0e34\u0e23\u0e32\u0e0a\u0e1e\u0e22\u0e32\u0e1a\u0e32\u0e25 \u0e21\u0e2b\u0e32\u0e27\u0e34\u0e17\u0e22\u0e32\u0e25\u0e31\u0e22\u0e21\u0e2b\u0e34\u0e14\u0e25\" \/>\n<meta property=\"og:description\" content=\"Amita Mekarunothai, Markus Bacher, Raveevatoo Buathong, [...]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www2.si.mahidol.ac.th\/department\/biochemistry\/%ce%b2-sitosterol-isolated-from-the-leaves-of-trema-orientalis-cannabaceae-promotes-viability-and-proliferation-of-bf-2-cells\/\" \/>\n<meta property=\"og:site_name\" content=\"\u0e20\u0e32\u0e04\u0e27\u0e34\u0e0a\u0e32\u0e0a\u0e35\u0e27\u0e40\u0e04\u0e21\u0e35 \u0e04\u0e13\u0e30\u0e41\u0e1e\u0e17\u0e22\u0e28\u0e32\u0e2a\u0e15\u0e23\u0e4c\u0e28\u0e34\u0e23\u0e34\u0e23\u0e32\u0e0a\u0e1e\u0e22\u0e32\u0e1a\u0e32\u0e25 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