Guava Leaf Oil

Storage/ Shelf life:    The essential oil has shelf life of 1 year when kept in cool preferably at about 20-25 c dry place and protected from light in their original packaging. Keep containers tightly sealed. Each container that has been opened should be used rapidly or repacked in sterile packaging and conditions.

Caution for use:    This essential oil may cause skin irritation. This oil must be added at the end of cold preparations and at 35-40cfor emulsions while cooling. The activities of essential oil are best maintained when not heated.

Application:    Guava leaf oil is added in tooth and gum care product, deodorant product and other cosmetics due to its antiseptic activity and ability to mask unlikely smell.

Uses:    0.5-5.0%

Chemical constituents:    Eugenol

Stability:   Not stable to excess heat and light.

Solubility:   Very soluble in ethanol

Refractive index (20 c):    1.4756-1.5056

Specific gravity (20/20 c):    0.8685-0.9285

Odour:   Characteristic of guava leaf odour

Colour/ Appearance:    Pale yellow to yellow and clear liquid

Production:   This natural essential oil is obtained by steam distillation of the leaves of Psidium quajava Linn.

Ethnomedical Uses:    Astringent to arrest bleeding, wounds healing, dysentery problem, antiseptic, treatment of gum inflammation and masking alcoholic smell on breath.

Origin/ Distribution:    Guava is native to tropical America, Probably southern Mexico; it is grown in Latin and South America, Florida of the USA, and naturalized in many countries, including Thailand and China.

Common Name:    Guava

Scientific Name:    Psidium quajava Linn.

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