PPT-New antiplasmodial alkaloids from

Stephania rotunda Lour កមរពជរ Sothavireak BORY 1 Sok Siya BUN 2 Béatrice BAGHDIKIAN 2 Valérie MAHIOU 2 Nadine AZAS 2. Some important classes of . alkaloids. Class . Precursors. . Examples. . _____________. . Piperidine. alkaloids L-lysine (C. 5. N) . Piperine. Pyrrolidine. /. tropane. . alkaloids. . L-. ornithine. Precursor is formed by combining two C. 6. C. 2. units, both originating from tyrosine. Focus: . pieces/precursors. key assembly steps. structure-activity. physiological interactions. First . methylation. Sugar + non-sugar. In the body they are broken down by enzymes or acids into:. sugars= . glycone. / water soluble. non sugar= aglycone/ active portion. Aglycone may be an alcohol, sulfur or phenol compound.. Some important classes of . alkaloids. Class . Precursors. . Examples. . _____________. . Piperidine. alkaloids L-lysine (C. 5. N) . Piperine. Pyrrolidine. /. tropane. . alkaloids. . L-. ornithine. Occurrence:. Opium is the air-dried . milky . exudate. , or latex, obtained by incising the mature unripe capsules of the . opium poppy. . Papaver. . somniferum. (Fam. . Papaveraceae. ). . Sources:. Alkaloids. TROPANE ALKALOIDS. The . tropane. alkaloids, which have the . 8-azabicyclo . octane . nucleus. , are commonly found in plants of three . families;-. Solanaceae. Erythroxylaceae. Convolvulaceae. Tahir Ali. Lecturer. RIPS, RIU. Any. Guess. Please . VOMIT. answer of some kind. Definition. Alkaloids. are extremely difficult to define because of two major reasons: . T. heir diverse heterogeneous nature . By Johannes Johnston. Literature 2111. Background. The hunting of witches started in the middle of the 14. th. . to the late 18. th. Century. Estimate of 40,000 to millions of people were burned, hanged, or tortured for witchcraft.. 5. Quinoline. alkaloids. Alkaloids containing . quinoline. as their basic nucleus include those obtained from cinchona bark (. Cinchona . succirubra. ) ( quinine, . quinidine. , . cinchonine. , and . Assist. Professor. Dr. . Haitham. M. . Alwali. Ph.D. Pharmacology. Al-. Nahrain. College of Pharmacy. 3/15/2018. 1. Serotonin& . the Ergot Alkaloids. S. erotonin. (5-hydroxytryptamine. ; 5-HT) is . Standard for vinca alkaloids11IntroductionVincaalkaloids are a class of chemotherapeutic agents which includes vinblastine vincristine vinflunine and vinorelbineHealth Service Providers are required t Cultivation of this plant and production of medicinal plant material is under the . UNO control. and is . forbidden. in Ukraine. This plant is:. A* . Opium poppy. B. Locoweed. C. Colchicum. D. Tulip . 3rd Class, 2nd Semester. They are ester alkaloids resulted from the coupling of organic acids with amino alcohol (Base).. Introduction. Tropane Alkaloids are classified into. :. . 1- . Solanaceous Tropane Alkaloids. antranilic. acid. Anthranilic. acid . is. an intermediate in the . synthesis. of . tryptophan. and . then. . is. . involved. in the . synthesis. of indole . alkaloids. .. During. . this. .