Pharmacognosy

Calculation of Stomatal Number, Stomatal Index, Vein-Islet Number, Vein Termination Number, and Palisade Ratio

Stomatal Number, Stomatal Index, Vein-Islet Number, Vein Termination Number, and Palisade Ratio are all used to calculate leaf constants. What is Stomatal Number? It is the average number of stomata per square mm of leaf epidermis. What is Stomatal Index? This is the percentage ratio of the number of stomata to the total number of …

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5 Things about Stomata – Closing & Opening, Structure, Types, and Functions

5 Things of Stomata – Closing & Opening, Structure, Types, and Functions What is Stomata? Stomata are tiny openings in the epidermis of leaves such as Digitalis, Senna, and others, or in young green stems such as Ephedra, in flowers such as clove, and in fruit such as fennel and orange peel. Guard cells are …

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Pharmaceutical Extraction- Types of Extraction, Methods, and Important Applications

Pharmaceutical Extraction- Types of Extraction, Extraction Methods, and Important Extraction Applications Introduction A suitable concentration of the active ingredients contained in the plants and that their action can be achieved more effectively. For this, it is necessary to perform several procedures through which we can extract the active ingredients with adequate solvents, selected according to …

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