Gas Chromatography

Identification Tests of Volatile Oils

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1. Organoleptic Evaluation Principle: Assessment of sensory properties, including aroma and flavor, through smell and taste. Application: Initial qualitative evaluation of essential oil characteristics. 2. Physical Characteristics Color and Appearance: Principle: Visual inspection for color variations and overall appearance. Application: Helps identify impurities or alterations in the essential oil. Specific Gravity: Principle: Determination of the … Read more

Identification of terpenoids

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The identification of terpenoids involves a series of tests and analytical techniques to determine these compounds’ structural characteristics and specific properties. Here are some common identification tests for terpenoids: 1. Physical Properties Odor and Color: Terpenoids often have distinctive odors and colors. Observation of these properties can provide preliminary information. 2. Thin-Layer Chromatography (TLC) Principle: … Read more

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