Aim: To prepare and submit 50 ml of Rose Water NF.
Requirements: Rose oil, Glass beaker, measuring cylinder, glass rod, and pipette.
Theory: Aromatic waters are clear, saturated aqueous solutions of volatile substances. Rose Water NF is a saturated solution of the odoriferous active constituents of the flowers of Rosa centifolia (Family- Rosaceae) prepared by distilling the fresh flowers with water and separating the excess volatile oils from the clear water portion of the distillate. It is colorless, clear, strong, has a pleasant odor and taste of fresh rose blossoms, and is free from empyreuma, mustiness, or fungoid growths. It is neutral or slightly acidic in nature.
Formula:
Ingredients | Standard formula |
Rose oil | 2 ml |
Ethanol (90%) | 2 ml |
Purified water | q.s. to 100 ml |
Preparation of Rose Water:
- Measure the required quantity of rose oil and dissolve it in ethanol (90%).
- Add this solution in small quantities to the purified water with vigorous shaking after each addition.
- Afterward, shake occasionally until all the rose oil is dissolved.
- Transfer the solution to a clean, transparent glass container and close it tightly.
Category: Perfuming and flavoring agent.
Storage: Store in a well-closed, light-resistant container and keep in a cool place to prevent the volatilization of rose oil.
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