resins. pptx

resins. pptx

1. Topic- resins Presented by Hariom Jaiswal Asst. Pro. D.PH 1 st Year Pharmacognosy Rajiv Gandhi College of Pharmacy Nautanwa Maharajganj UP 273164

2. CONTENTS Introduction of resins Properties of resins Classification of resins Occurrence and distribution of resins Isolation of resins Identification of resins Therapeutics activity and pharmaceutical application of resins.

3. Introduction of resins Resins are solid or semi-solid, amorphous products derived from natural living sources and are mostly from the plant origin Resins are secondary metabolites produced by higher plants and are oxidative products of terpenes. Resins are produced and stored in the schizogenous glands of the plants.

4. Properties of resins Insoluble in water Soluble in organic solvent High molecular weight compared to water TYPE OF RESINS Normal / Physiological resins Abnormal / pathological resins

5. Classification of resins On the basis of their formation. Ex- colophony, resinol etc. On the basis of their chemical nature Ex- resin acid, ester resins etc. On the basis of occurrence with other secondary metabolites. Ex- jalap, storax etc.

6. Occurrence and Distribution of resins It is obtained from plant as well as animal Shellac is the only animal resin used in pharmacy Asafetida, balsam of tolu, benzoin are obtained in plant

7. ISOLATION of resins 1. Method- A: Powdered drug Extract the resin with alcohol Filter Concentrate Concentrate the extract with excess of water, shake resins get precipitate

8. 2. Metthod - b: Powdered drug containing oleo- resin Percolate the powdered drug with non- polar solvent Extract Steam distillation Oleo- resin volatile oils

9. Identification of resins HCL test- Taken powder drug dissolve in water Add concentrated HCL in mixture It give pink color. FeCl3 test - taken powder drug dissolve in water Add fecl3 solution It give blue color

10. Therapeutics activity and Pharmaceutical Application of resins It is used in laxatives It is used in sedative It is used in purgative Preparation of emulsion and suspension Used in anti cancer Used in cardio active Used in analgesic

11. Thank you