SCIENCE VOC. QUIZ (1)
1. way to extract essential oil, this operation consists of placing a solid plant or flower in prolonged contact (between 1-5 years) with alcohol in order to dissolve the soluble parts of the raw material
A: - INFUSION
2. end product obtained from the extraction of vegetable products as roots, mosses, balms and rubbers
A; - RESIN
3. oldest method of extracting the fragrant essence from a plant or flower
A: DISTILLATION (The plant is essentially steamed in special still, when the excess water evaporates, the essential oil remains behind.)
4. scent that lingers in the air when a person who is wearing it has passed by
A: - SILLAGE (Not to be confused with silage ... see below)
5. system of scientific analysis that allows the identification and the quantification of the molecular components of a plant"s essence; also used to analyse finished perfumes and gage their longevity
A: - CHROMATOGRAPHY
6. fodder harvested while green and kept succulent by partial fermentation as in a silo
A: - SILAGE
7. evaporates very rapidly
A: - VOLATILE
8. process of extracting perfumes by exposing absorbents, as fixed oils or fats, to the exhalations of the flowers. It is used for plants whose volatile oils are too delicate to be separated by distillation
A: - ENFLEURAGE (method of extraction invented by the ancient Egyptians used on particularly delicate flowers that don"t respond well to heat. Fragrant flowers are laid on glass or stone slabs covered in grease or animal fat. Weight is applied and the flowers are left until their scent has been absorbed by the grease. This is a long and expensive process and isn"t used in modern perfumery.)
9. method of extraction suited for flowers or plants with little essential oil, or essential oil that evaporates quickly after picking. Flowers are pressed or covered in a hot grease that absorbs the aromatic essence
A: - MASCERATION
10. chemical that allows the natural or synthetic base materials to become more tenacious and to prolong their fragrance
A: - FIXATIVE
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