American Heritage® Dictionary of the English Language, Fourth Edition
- n. A mobile pale-yellow liquid, C9H15COH, derived from lemon-grass oil and used in perfume and as a flavoring.
Century Dictionary and Cyclopedia
- n. A colorless liquid aldehyde of strong lemon odor, the flavor-giving constituent of oil of lemon, of which it forms from 5 to 8 per cent.: also present in oil of limes, mandarin, orange, etc.
- citr(us) + -al3. (American Heritage® Dictionary of the English Language, Fourth Edition)
“The lemony flavor of its leaves comes from the same terpenes, collectively called citral, that flavor lemon-grass; other terpenes lend a flowery note.”
“Apparently, a gram of a substance found in this herb (citral) causes cancer cells to commit suicide.”
“Lemon verbena has a lemony characteristics (citral makes about 30-35% of the composition of its essential oil) but also floral and rosy due to the presence of nerol (neroli-like) and geraniol (rosy).”
“Chinese ginger tends to be mainly pungent; South Indian and Australian gingers have a notable quantity of citral and so a more distinctly lemony aroma; Jamaican ginger is delicate and sweet, African ginger penetrating.”
“Cymbopogon citratus accumulates the lemony terpene citral a mixture of two compounds, neral and geranial, as well as flowery geraniol and linalool, in special oil cells in the middle of its leaves.”
““Noble” hop varieties are dominated by humulene, which is more delicate, and often contain pine and citrus notes from other terpenes pinene, limonene, citral.”
“Lemon Balm Lemon or bee balm is an Old World species, Melissa officinalis, distinguished by its mixture of citrusy and floral terpenes citronellal and -ol, citral, geraniol.”
“The Programa Agroqumico of the Faculty of Sciences l and Technology of the Universidad Mayor de San Simn (UMSS) in Cochabamba, Bolivia, has applied steam-extraction technology to make Bolivia self-sufficient in the production of several essential oils such as menthol, citral, and eucalyptol.”
“Within 5 years, the project has almost eliminated Bolivias annual Can $800 000 of imports of menthol, citral, and eucalyptol oils needed for the production of detergents, soaps, ointments, and other domestic products that have a combined Bolivian market value of $3.5 million.”
“_ -- Several good and fairly cheap artificial rose oils are now obtainable, consisting chiefly of citronellol, geraniol, linalol, phenyl ethyl alcohol, and citral.”
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