Discovery of procyanidin condensed tannins of (−)-epicatechin from Kratom, Mitragyna speciosa, as virucidal agents against SARS-CoV-21.

An inexpensive point-of-care immunochromatographic test for Talaromyces marneffei infection based on the yeast phase specific monoclonal antibody 4D1 and Galanthus nivalis agglutinin. Pruksaphon K, Intaramat A, Simsiriwong P, Mongkolsuk S, Ratanabanangkoon K, Nosanchuk JD, Kaltsas A, Youngchim S. PLoS Negl Trop Dis. 2021 May 4;15(5):e0009058. doi: 10.1371/journal.pntd.0009058. eCollection 2021 May. PMID: 33945531

Ploypradith, P.; Jinagleung, W.; Pavaro, C.; Ruchirawat, S. Further Development in the Synthesis of Lamellarin Alkaloids via Metal-halogen Exchange. Tetrahedron Lett. 2003, 44, 1363–1366.