Medicinal Plants (PHG 101) Dusting Powders PDF

Summary

This document provides a full scheme for dusting powders, focusing on different types of starches and non-starches in medicinal plants. It details characteristics of each, including color, odor, taste, and microscopic examination for identification. This guide appears to be for educational purposes.

Full Transcript

Medicinal Plants (PHG 101) Full scheme for Dusting Powders A- (Starches) Potato Starch Wheat Starch Maize Starch Rice Starch...

Medicinal Plants (PHG 101) Full scheme for Dusting Powders A- (Starches) Potato Starch Wheat Starch Maize Starch Rice Starch Color White White White White Characters Physical Odour Odourless Odourless Odourless Odourless Taste Starchy Starchy Starchy Starchy Touch Smooth Smooth Smooth Gritty Chemical Name Iodine test Iodine test Iodine test Iodine test tests Bluish violet Bluish violet Bluish violet Bluish violet Result color color color color Size Large Medium Medium Small Oval, Rounded, Rounded, Oval, Polyhedral Polyhedral Shape Triangular, or Lenticular from with rounded with Sharp Microscopical Examination Pyramidal a side view angles angles Present, Present, Present, Absent distinct, faint, centric, distinct, except in Hilum eccentric, Pointed (linear centric, cleft, large simple pointed in side view) or fissured granule Present, Present, faint Striations distinct, concentric Absent Absent concentric rings rings Simple, Mostly Mostly simple, Mostly simple, compound, Or compound, Aggregations Semi- rarely rarely rarely compound compound compound simple Name Potato Starch Wheat Starch Maize Starch Rice Starch Polysaccharide Polysaccharide Polysaccharide Polysaccharide granules granules granules granules Conclusion obtained from obtained from obtained from obtained from the stem tubers the endosperm the endosperm the endosperm Origin of Solanum of the grains of of the grains of of the grains of tuberosum Triticum Zea mays Oryza sativa Family vulgare Family Family Solanaceae Family Gramineae Gramineae Gramineae B- (Non-Starches) Kieselguhr Talc Chalk Color white white white Physical Odour odourless odourless odourless Characters Taste tasteless tasteless chalky Touch smooth soapy smooth Confirmatory No confirmatory No confirmatory chemical Name Dil. HCl test Chemical chemical tests tests Tests Effervescence & evolution of Result No result No result (if present) CO2 A) Frustules, each consisting of 2 valves Description having sculptures. Fine transparent plates, Micro (light) and macro Microscopical Frustules can be with various shapes & sizes, (heavy) crystals of different Examination found in: with sharp jagged, and shapes and sizes are found 1) Pinnate form laminated edges. aggregated or scattered. 2) Discoid form B) Honey-comb form. Kieselguhr Conclusion Name Talc Chalk (Diatoms) Drawing (Starches) oval Rounded Polyhedral with rounded angles Polyhedral with sharp angles Linear Hilum in side view Triangular -Pyramidal Fissured Hilum Mostly simple Cleft Hilum Rounded Potato Starch Wheat Starch Maize Starch Rice Starch Drawing (Non-Starches) Kieselguhr Talc Chalk

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