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citrus_aurantiifolia_christm._swingle [2017/12/12 21:05] andreas |
citrus_aurantiifolia_christm._swingle [2017/12/13 09:48] andreas |
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"In lime peel oils, four chemotypes were distinguished: | "In lime peel oils, four chemotypes were distinguished: | ||
- | Contents | + | Components |
[Lota, Marie-Laure, | [Lota, Marie-Laure, | ||
- | Main components of the solvent extracted peel oil (dichloromethane, | + | |{{: |
+ | |||
+ | Main components of the solvent extracted peel oil (dichloromethane, | ||
[Craske, John D., Norman Suryadi, and Michael Wootton. "A comparison of the peel oil components of Australian native lime (Microcitrus australe) and Mexican lime (Citrus aurantifolia Swingle)." | [Craske, John D., Norman Suryadi, and Michael Wootton. "A comparison of the peel oil components of Australian native lime (Microcitrus australe) and Mexican lime (Citrus aurantifolia Swingle)." | ||
- | Cold-pressed peel oils are characterized by monoterpenes like (+)-limonene (50-61%), ß-pinene (9-15%), and γ-terpinene (11-16%), together with oxygenated terpenoids like neral (0.5-1.6%), geranial (1.2-3.1%), neryl acetate (0.3-2.9%), geranyl acetate (0.2-0.5%), and sesquiterpenoids like (E)-α-bergamotene (0.7-1.5%), ß-bisabolene (1.5-2.4%), and (Z)-α-farnesene (0-0.3%). \\ | + | Distilled lime oils, prepared by steam distilliation of the whole fruits, contain a certain amount of products formed by acid-catalyzed reactions like camphene, α, |
+ | The more expensive cold-pressed oils tend oragnoleptically towards lemon oil, as they contain citral and decanal, which are not present in distilled oils. \\ | ||
+ | [Scent and Chemistry, Günther Ohloff, Wilhelm Pickenhagen, | ||
+ | |||
+ | Cold-pressed peel oils are characterized by monoterpenes like (+)-limonene (50-61%), ß-pinene (9-15%), and γ-terpinene (11-16%), together with oxygenated terpenoids like neral (0.5-1.6%), geranial (1.2-3.1%), neryl acetate (0.3-2.9%), geranyl acetate (0.2-0.5%), and sesquiterpenoids like (E)-α-bergamotene (0.7-1.5%), ß-bisabolene (1.5-2.4%), and (Z)-α-farnesene (0-0.3%). They may also contain up to 3% of the photo-sensitizing furocoumarines. \\ | ||
Distilled peel oils are characterized by monoterpenoids like (+)-limonene (41-49%), α-terpinene (2.6-4.0%), γ-terpinene (9-14%), p-cymene (2.5-4.0%), terpinolene (7.3-9.4%), α-terpineol (2.6-4.0%), and 1,8-cineole (1.5-2.5%), together with minor amounts of sesquiterpenoids like (E)-α-bergamotene (0.5-2.5%), ß-bisabolene (1.0-2.6%), and (Z)-α-farnesene (0.4-1.7%). \\ | Distilled peel oils are characterized by monoterpenoids like (+)-limonene (41-49%), α-terpinene (2.6-4.0%), γ-terpinene (9-14%), p-cymene (2.5-4.0%), terpinolene (7.3-9.4%), α-terpineol (2.6-4.0%), and 1,8-cineole (1.5-2.5%), together with minor amounts of sesquiterpenoids like (E)-α-bergamotene (0.5-2.5%), ß-bisabolene (1.0-2.6%), and (Z)-α-farnesene (0.4-1.7%). \\ | ||
[Wolz, Dietmar, and Gerhard Buchbauer. Aromatherapie in Wissenschaft und Praxis. Ed. Wolfgang Steflitsch. Stadelmann, 2013, 574-577] | [Wolz, Dietmar, and Gerhard Buchbauer. Aromatherapie in Wissenschaft und Praxis. Ed. Wolfgang Steflitsch. Stadelmann, 2013, 574-577] |