Volatile Oil Constituents Qualitative Tests Quiz
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Volatile Oil Constituents Qualitative Tests Quiz

Test your knowledge of selected volatile oil constituents through qualitative tests in this practical course on phytochemistry. Learn about identifying major constituents such as Menthol and Thymol using tests like the Vanillin/sulfuric acid test. Gain insights into the contents and analysis of volatile oils.

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Questions and Answers

Major constituent of peppermint Oil Vanillin/sulfuric acid test Few crystals of ______ + 2 dps. Conc. H2SO4 + 2dps. of vanillin/sulfuric acid reagent In a dry porcelain dish Violet Color

Menthol

Dissolve Few crystals of ______ in 3 drops of glacial acetic acid + 3 dps. Conc. H2SO4 + 1 Drop of Conc. HNO3 In a dry porcelain dish Bluish green color

Thymol

Eugenol occurs in the free form as the major constituent of ______ Principle: It depends on that the phenolic portion (acidic property) in V.O. reacts with solution of aqueous alkali (KOH) to form water soluble phenate salt

clove oil

______ Volatile Oils Glycosides II Volatile oils 1- Qualitative tests for selected volatile oil constituents A- Menthol

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Volumetric Determination of ______ in Clove oil ______ occurs in the free form as the major constituent of clove oil Principle: It depends on that the phenolic portion (acidic property) in V.O. reacts with solution of aqueous alkali (KOH) to form water soluble phenate salt

<p>Eugenol</p> Signup and view all the answers

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