期刊
INTERNATIONAL JOURNAL OF PHARMACEUTICAL SCIENCES AND RESEARCH
卷 5, 期 4, 页码 1107-1115出版社
INT JOURNAL PHARMACEUTICAL SCIENCES & RESEARCH
DOI: 10.13040/IJPSR.0975-8232.5(4).1107-15
关键词
Essential oil; Seeds; flowers; fruits; Rhizomes; leaves, etc.; of Plants; Different Extracting Techniques; Merits and Demerits
Essential oils are a diverse group of natural products. Oils are the important source of aromatic and flavoring chemicals in food, industrial, and pharmaceutical products. Essential oil is a concentrated hydrophobic liquid containing volatile aroma compounds derived from the different parts of the plants. Various extraction methods are used in the manufacture and extraction of essential oils from the plant materials. Essential oils are produced using several techniques like water distillation, steam distillation, hydro diffusion, maceration, solvent-free microwave extraction, solar distillation and CO2 supercritical fluid extraction, etc. These extraction and expression methods are used to remove the oils from the dried/fresh plants (or) machines to squeeze the oil out of the plants. Out of all the extraction methods, supercritical carbon dioxide method is more efficient. The present paper is an attempt to list out the various methods of extraction of essential oil from the different parts of the plants and their merits and demerits.
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