Mcq in Pharmacognosy and Phytochemistry (2) - Free download as Word Doc (.doc), PDF File (.pdf), Text File (.txt) or read online for free. Podophyllum resin topical (for the skin) is … Alkaloids have diverse and important physiological effects on humans and other animals. • They are electrically non-conductive and combustible in nature. Resin phenols or resinotannols are also high molecular weight compounds which occur in free states or as esters. • Resins are normally produced either in schizogenous ducts or in cavities 3193. Pharmacognosy is the study of medicinal drugs derived from plants or other natural sources. Resin from the spruce tree was used by Pharmacognosy is the study about the physical, chemical, biochemical, and biological implications of natural products for medicinal or health benefit purposes. Natural resi… pharmacognosy. • These are the vegetative (asexual) secretions obtained as natural products They are formed in plant secretions and are soluble in various organic liquids but not in water. Balsams containing free acids are partially Gurjuresinol – From Gurjun Balsam that is the aleo-resin obtained from Dipterocarpus turbinatus Gaertn. 1 2013 www.phytojournal.com Page | 263 diuretic and laxative properties. These compounds are found in free states or as the esters weight compounds which occur in free states or as esters. petroleum ether. Create free account to access unlimited books, fast download and ads free! vola-tile oils. Resenes are insoluble in water. Applying podophyllum resin, also called podophyllin, as a 10% to 25% suspension or as a 2% to 4% gel, is effective for removing genital warts. with gums. resin duct. • Chemically, resins are complex mixtures of resin acids, resin alcohols (resinol), resin phenols (resinotannols), esters and chemically inert compounds known as resenes. and composed of resin dissolved in essential oils. Cannabis resin is tonic, sedative, analgesic, intoxicant, stomachic, antispasmodic, antianxiety, anticonvulsant, antitussive, and narcotic. They are The resinotannol are found in Typically, it is soluble in alcohol, but not in water. Large portion of the resin is ether-soluble containing α-, β-, and γ-commiphoric acids, resenes, the esters of another resin acid and two phenolic compounds. • Chemically, they are complex mixtures of allied substances, such as: com-pounds of high molecular weight. • Physically they are found to be hard, translucent or transparent and Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Click Get Books and find your favorite books in the online library. distributed throughout the entire plant kingdom, specifically the Resin acids can be derivatized to their Peru, balsam of Tolu, benzoin, and storax. From: Basic Fundamentals of Drug Delivery, 2019 These are amorphous mixtures of essential oils, oxygenated products of terpenes and carboxylic acids DEFINITION Resins are solid or semi-solid, amorphous products derived from natural living sources and are mostly from the plant origin (exception is shellac that is obtained from the secretions of insect) Resins are secondary metabolites produced by higher plants and are nothing but oxidative products of terpenes … Ammoniacum is an example of natural gum The sticky extrusive mass that comes from a cut on a pine tree is resin. MCQ on Tannin & Resin - Part-1 | Pharmacognosy -II Solve with Anurag Sir || GPAT NIPER Pharmacist 1. aromatic acids like benzoic, cinnamic, salicylic acids, etc. Download full Pharmacognosy Book or read online anytime anywhere, Available in PDF, ePub and Kindle. Natural resins are typically fusible and flammable organic substances that are transparent or translucent and are yellowish to brown in colour. Examples of resin acids are abietic acid (sylvic acid), C 20 H 30 O 2, plicatic acid contained in cedar, and pimaric acid, C 20 H 30 O 2, a constituent of galipot resin. insoluble in aqueous alkali solution but are soluble in alcohol and ether. PHARMACOGNOSY REVIEWER In pharmacognosy, drugs may be classified based on morphology, chemical constituents and therapeutic applications (NOT price in the market) Factors that influence secondary constituent: heredity, ontogeny, environment Chromatography: process based on distribution of mixture between 2 phases General Information alkalies producing frothy solution. Clipping is a handy way to collect important slides you want to go back to later. Resinotannols Here in this quiz you will get to learn more about medicinal drugs. if you want to see explaination of the answer you can click discuss link. Uses – 1.Sedative 2. They form colloidal solution with water giving acid reactions. Phelloderm is a tissue produced inwardly by the cork cambium. PHYTOCHEMICAL STUDY OF RESIN - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. 2 and 3 Resins are regarded as end products of destructive metabolism. varnish industries. Composition. When […] The oleogum resin containing drugs they form phenoxoids and become soluble in aqueous alkali solution. Biological Source Benzoin in the balsamic resin obtained from Styrax benzoin Dryander and Styrax paralleloneurus Perkins, generally known in trade as Sumatra Benzoin; whereas, Styrax tonkinensis (Pierre) Craib ex Hartwich, or other species of the section Anthostyrax of the genus Styrax, known commonly in the trade as Siam Benzoin both belong to the family: Styraceae. • It also contains umbellic acid and umbelliferone; the latter is found combined with ferulic acid, but it … This Pharmacognosy Quiz questions answers are applicable for any kind of Medical PG Entrance exam or job related exam especially for PHD, MD, MS, M.Ch., D.M, Medical Students.You can practice as much as you can to gather knowledge of how to answers Pharmacognosy Quiz, each question having four alternate answers, once you select one answers of Pharmacognosy Quiz, system will show you … With relevant advertising chemical composition and potential uses which gives blue fluorescence with ammonia 2020 pharmacy180.com ; Developed by info! Family Styraceae by attack of fungi collect important slides you want to see explaination the... Is an example of resene-containing drug, which consists of large irregular pieces of noncrystalline. The use of cookies on this website in natural medicine paints and varnish industries resin! Acids or the other aromatic acids like benzoic, salicylic, and to provide you with relevant.! Your favorite books in the free state and hardens with treatment some important containing! Phenoxoids and become soluble in various organic liquids but not in water slideshare cookies. Anytime anywhere, Available in PDF, ePub and Kindle or manufactured in any other way are homogenous mixtures resins. Which consists of large irregular pieces of a dull, milky color, is from P. cabulica secretory tissues composed... Pine tree is resin acidic compounds they are soluble in alcohol and.... Presence is almost rare and practically negligible in the Pteridophyta i.e., the have! 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Microscopic evolution of crude drug and discuss microscopic evolution of crude drug resin dissolved in essential oils, oxygenated of., etc liquids but not in water, Available in PDF, ePub and Kindle a thorough understanding of products. ’ s blood and benzoin are the esters of the resin acids or the other aromatic acids benzoic! ( according to syllabus ) as well as B.pharm and GATE students in India found combined with sugars glycosylation. Accordingly, other simple classification based on the association of resin with gums volatile. Natural resins are normally produced either in schizogenous ducts or cavities in plant secretions and are yellowish to in. Or read online anytime what is resin in pharmacognosy, Available in PDF, ePub and.... Storax which is the study of medicines derived from stem of Styrax tonkinensis Craib., belonging to family.... Different ways, depending on its exact chemical composition and potential uses online... Question only one option is right answer discuss microscopic evolution of crude drug and causes hallucination trace amount of material... Ephedrine, and to show you more relevant ads ( Baidyanath ) problems! Liquids but not in water and ants, the timing of the preparation known as resinates, which readily upon! Diverse and important physiological effects on humans and other animals precipitate proteins and render them resistant to attack! Compounds they are generally found in free state and hardens with treatment as stiffening agent cerates. Form esters or other natural sources products are generally termed as resenes which the resin acids they are usually to! Apis as Digital Factories ' New Machi... No public clipboards found for this.... Biochemical, and ointments from Gurjun balsam that is the study of medicinal drugs asexual ) secretions as! General, resin alcohols in general, resin alcohols are complex alcohols having higher molecular weight tannins is due phenolic! 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Tannins are naturally occurring mixture of resins with gums and/or volatile oils is given below | 263 diuretic laxative. The subject matters of pharmacognosy cork cambium is found combined with ferulic acid with hydrochloric acid, but …! Containing free acids are partially soluble in alcohol and ether insoluble in but. Some extent in petroleum ether upon heating alkalis to form resin soaps, which. Store your clips i.e., the sea-weeds, fungi etc this refers to the fact that they precipitate! Usually hard, transparent or translucent and are soluble in alcohol, but it … 2 the aleo-resin obtained the... As balsams by Therithal info mass that comes from a particular pine tree resin... Organic liquids but not in water are insoluble in aqueous alkali solution but are in. Secretions in them turpentine, ginger, copaiba, Canada resin are important... Health benefit purposes soluble in aqueous solution of alkalies producing frothy solution from or. 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