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The subject involves the fundamentals of Pharmacognosy like scope, classification of crude drug, their identification and evaluation, chemical constituents present in them and their medicinal properties.
Upon completion of the course, the shall be able
1. To know the techniques in the cultivation and production of crude drugs
2. To know the crude drugs, their uses and chemical nature
3. To know the evaluation techniques for the herbal drugs
4. To carry out the microscopic and morphological evaluation of crude drugs
Definition, history and scope of Pharmacognosy including indigenous system of medicine.
Various systems of classification of drugs of natural origin.
Adulteration and drug evaluation; significance of Pharmacopoeial standards.
Brief outline of occurrence, distribution, outline of isolation, identification tests, therapeutic effects and pharmaceutical applications of alkaloids, terpenoids, glycosides, volatile oils, tannins and resins.
Occurrence, distribution, organoleptic evaluation, chemical constituents including tests wherever applicable and therapeutic efficacy of following categories of drugs.
a. Laxatives: Aloes, Rhuburb, Castor oil, Ispaghula, Senna.
b. Cardiotonics-Digitalis, Arjuna.
c. Carminatives & G.I. regulators-Umbelliferous fruits, Coriander, Fennel, Ajowan, Cardamom Ginger, Black pepper, Asafoetida, Nutmeg, Cinnamon, Clove.
e. Drugs acting on nervous system-Hyoscyamus, Belladonna, Aconite, Ashwagandha, Ephedra, Opium, Cannabis, Nux vomica.
g. Antitussives-Vasaka, Tolu balsam, Tulsi.
h. Antirheumatics-Guggul, Colchicum.
j. Antileprotics-Chaulmoogra Oil.
k. Antidiabetics -Pterocarpus, Gymnema, Sylvestro.
l. Diuretics,Gokhru, Punarrnava.
n. Antiseptics and disinfectants Benzoin, Myrrh. Nim, curcuma.
q. Vitamines-Shark liver Oil and Amla.
r. Enzymes-Papaya, Diastase, Yeast.
s. Perfumes and flavouring agents-Peppermint Oil, Lemon Oil, Orange Oil, Lemon grass Oil, Sandalwood.
t. Pharmaceutical aids-Honey, Arachis Oil, Starch, Kaolin, Pectin, Olive oil, Lanolin, Beeswax, Acacia, Tragacanth, Sodium alginate, Agar, Guar gum, Gelatin. u. Miscellaneous-Liquorice, Garlic, Picrorhiza, Dioscorea, Linseed, Shatavari, Shankhapusphi, Pyrethrum, Tobacco.
Collection and preparation of crude drug for the market as exemplified by Ergot, opium, Rauwolfia, Digitalis, Senna.
Study of source, preparation and identification of fibres used in sutures and surgical dressings,cotton, silk, wool and regenerated fibre.
Gross anatomical studies of Senna, Datura, Cinnamon, Cinchona, Fennel, Clove, Ginger, Nux vomica & Ipecacuanha.
1. A Text book of Pharmacognosy by S.B. Gokhale, C.K.Kokate, A.P.Purohit
2. A Text book of Pharmacognosy by N.Murugesh
3. A Text book of Pharmacognosy by T.Wallis
1.Identification of drug by morphological characters.
2.Physical and chemical tests for evaluation of drugs wherever applicable. 3.Gross anatomical studies (t.s) of the following drugs: Senna, Datura, Cinnamon, Cinchona, Coriander, Fennel, Clove, Ginger, Nuxvomica, Ipecacuanha.
4.Identification of fibres and surgical dressings.