How to Make Perfume by Solvent Extraction
1. Core Principle
Dissolve the aromatic components in plants using organic solvents (e.g., hexane, ethanol) to avoid damaging the fragrance with high temperatures.
Applicable raw materials: Jasmine, rose, frankincense, and other heat-sensitive materials.
2. Materials and Tools
Raw materials: Fresh flower petals (500g) or resin (100g).
Solvents: Food-grade hexane (first extraction), 95% ethanol (second extraction).
Tools: Glass-sealed jar, filter paper, distillation equipment (or water bath heating), brown perfume bottle.
Safety precautions: Gloves, ventilated environment.
3. Operating Procedures
① First Extraction (to make a concentrated fragrance)
Soak the petals or resin in hexane (ratio 1:3), seal, and store away from light for 2 days.
After filtration and distillation (to recover hexane), the remaining viscous material is the concentrate.
② Secondary Extraction (to produce the original essence)
Dissolve the concentrate in ethanol (ratio 1:5) and let it sit for 7 days.
After filtration, the original essence is obtained. Age it for 1 month away from light.
③ Blending Perfume
Recipe: Original essence (10%) + alcohol (85%) + water (5%).
After mixing, seal and age for 2 weeks, then filter and bottle.
4. Key Notes
Safety: Hexane is flammable-work in a well-ventilated area.
Temperature: Keep distillation temperature ≤50°C to avoid damaging the aroma.
Filtration: Remove wax thoroughly to prevent cloudiness.
5. Simplified Home Version
Directly soak petals in 95% ethanol for 7 days, filter and concentrate, then blend the perfume according to the ratio (skipping the hexane step).
6. Frequently Asked Questions
Pungent odor? → Extend the alcohol aging time.
Short fragrance retention? → Add 1-2% glycerin or patchouli oil as a fixative.
Preservation: Store sealed in a cool, dark place.
Just 4 steps (steeping → filtering → distilling → blending), and you can create your own exclusive perfume!