(Fagaceae) Lithocarpus toumorangensis A. Camus
Local name(s): ກໍ່ ຕາ ແລນ (Koh ta len)
Medicinal use(s): treat fever.
Part(s) used: stem bark.
Field characters: Treelet, 6 m tall, fruits green.
Locality: Xieng Khouang Province, Kham District, Kham Medicinal Biodiversity Preserve, 15 km from Kham town. Ba Tha village, northern edge of MBP at meteorological station site.
Habitat: Broadleaved evergreen submontane forest. Low-statured forest cover along slope.
Altitude: 1499 m asl.
Collector(s): D.D. Soejarto, K. Sydara, M. Xayvue
Collection number(s): DDS 14981
Collection date: May 16, 2014
Additional information:
Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA, under accession no. 2313855.Project: CCF
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Local name(s): (Kor ta mou)
Medicinal use(s): to treat fever.
Part(s) used: stem bark.
Field characters: Large tree, bark grayish, lenticeled, with slight buttressing, leaves acuminate, alternate, panicles of tiny flowers.
Locality: Bolikhamxay Province, Bolikhan District, Somsavath Medicinal Plant Preserve, off road near Ban Kampay and Ban Somsavath.
Habitat: Roadside. Good quality, seconday tropical rainforest, lowland.
Altitude: 163 m asl.
Collector(s): J.M. Henkin, O. Souliya
Collection number(s): JMH 088
Collection date: December 16, 2015
Additional information:
Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA, under accession no. 2318751.Project: PO1
Synonyms, images, taxonomic description:
Plants of the World OnlineGlobal Biodiversit Information FacilityPham Hoang Ho - Cayco Vietnam vol 2, p. 653 #6605JSTORPham Hoang Ho
Medicinal properties:
Ehrenkranz, J.R. et al. Phlorizin: a review. Diabetes Metab Res. Rev. 2005; 21(1):31-38.
Ehrenkranz JRL. Preparation and use of phlorizin compositions. US Patent PCT/US2007/009743. April 20, 2007. International Publication number: WO 2007/124102 A2.
Meng Y, Ding L, Wang Y, et al. Phytochemical identification of Lithocarpus polystachyus extracts by ultra‐high‐performance liquid chromatography–quadrupole time‐of‐flight–MS and their protein tyrosine phosphatase 1B and α‐glucosidase activities. Biomedical Chromatography 2020, 34(1):e4705.DOI: 10.1002/bmc.4705
Xu J, Zhao Y, Wen J, et al. Composition and toxicity of total water-soluble flavonoids from Lithocarpus litseifolius (Hance) Chun (sweet tea). Food and Agricultural Immunology 2024, 35(1). https://doi.org/10.1080/09540105.2024.2358801
Zhang Q, Wang L, Zhao Y. An Overview of Lithocarpus polystachyus , with Dihydrochalcones as Natural-Derived Bioactive Compounds. Food Reviews International 2022, 39: 1-14. DOI:10.1080/87559129.2022.2101063