PPT-Tropane alkaloids LAB.3 Pharmacognosy

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. plants and microbes. Some important classes of . alkaloids. Class . Precursors. Examples . . Piperidine. alkaloids L-lysine (C. 5. N) . Piperine. Pyrrolidine. /. tropane. . alkaloids. . L-. 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. Some important classes of . alkaloids. Class . Precursors. . Examples. . _____________. . Piperidine. alkaloids L-lysine (C. 5. N) . Piperine. Pyrrolidine. /. tropane. . alkaloids. . L-. ornithine. alkaloids. Vinca. , . Rauwolfia. , Ergot, . Nux. . vomica. Indole. Alkaloids. Ergot . Alkaloids. Occurrence:. . Ergot. is the dried . sclerotium. . of a . fungus. ,. . Claviceps. . purpurea. December 1. st. , 2011. Ingestion. Many medications are brightly colored and taste like candy. Toddlers don’t know that pills can be toxic. Ingestion in older children and adolescents is usually intentional . 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 . 5. Quinoline. alkaloids. Alkaloids containing . quinoline. as their basic nucleus include those obtained from cinchona bark (. Cinchona . succirubra. ) ( quinine, . quinidine. , . cinchonine. , and . . Atropa. , . Datura. , . and . Hyoscyamus. . spp.. Main Alkaloids are:. 1- Atropine. . 2- . Hyoscyamine. . . 3. . Hyoscine. (Scopolamine).. Hyoscyamine. is the major natural alkaloid with negative optical rotation (L- form).. Alkaloids. Definition:-. Alkaloids are natural compounds display an . expceptionally. wide array of biological activities and have a wide distribution , being present in plants, fungi, bacteria, insects, marine, animal and man.. Deptt. . of Veterinary Pharmacology & Toxicology. Bihar Veterinary College, Bihar Animal Sciences University, Patna. Classification, identification and chemical constituents of poisonous . plants. Role of . Pharmacognosy. in . allopathy. and traditional systems of medicine namely, . Ayurveda. , . Unani. , . Siddha. , Homeopathy and Chinese systems of medicine.. COMPILED BY . DR NISHA SHARMA. Phrmacognosy. Anju. Singh. School of Pharmaceutical Sciences. CSJMU, Kanpur. Introduction of . Pharmacognosy. DEFINITION OF PHARMACOGNOSY. Pharmacognosy. . is the study of the medicinal uses of crude drugs obtained from plants and natural resources. . by. Dr.. Subrata Giri. Introduction. Pharmacognosy is a multidisciplinary branch of pharmaceutical sciences that deals with the study of medicinal plants and natural sources for their therapeutic properties. Derived from the Greek words...