essential oil production
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PRESENTATION BY B.DHEVA
A.BHARATHIRAJA
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What are essential oils ?Aromatic liquid substances which are
extracted from certain species of flowers, grasses, fruits, leaves, roots, and trees. Used in aromatherapy, massage and facial products.
Concentrated liquids containing aromatic compounds extracted from plants (eg, lavender); used in aromatherapy applications.
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ESSENTIAL OILEssential oil is mainly produced by the process of STEAM DISTILLATION (Hydrodiffusion)
Other MethodsCarbon dioxide ExtractionCold press extractionAbsolutes
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STEAM DISTILLATION
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CARBONDIOXIDE EXTRACTIONA relatively new method of extraction that
is being employed is called carbon dioxide extraction, or CO2. This process utilizes the "supercritical" state of CO2, when it acts both as a gas and a liquid.
. The required equipment used for this method is quite expensive but yields a higher volume of essential oil, making more expensive oils such as frankincense widely available.
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COLD PRESS EXTRACTIONMost high quality citrus essential oils are
obtained from a cold pressing of the rind or peel. This process is often called scarification
Many citrus essential oils on the market are bulk essential oils of inferior quality made by steam distillation of the peels rather than scarification.
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ABSOLUTESAnother method used to extract essential oils
from plants is by using solvents. These oils are called absolutes. Absolutes are commonly used to extract the essence from very delicate plant parts like flower petals.
Common absolutes are Rose, Jasmine and Mimosa
These are used primarily for perfumery and blending
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USESAromatherapyRoom FresheningEasy Inhalation MassageInsect RepellantBeauty ProductsStress ReliefPerfumery
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AROMATHERAPYThe use of volatile
plant oils, including essential oils, for psychological and physical well-being
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Some of the important essential oils are Benzoin Citrunella Anise Tuberose Jasmine
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OPEN HOUSE
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