Physico-chemical evaluation of Rosmarinus officinalis L. essential oils

• Autor(a) principal: Atti-Santos,Ana Cristina
• Data de Publicação: 2005
• Outros Autores: Rossato,Marcelo, Pauletti,Gabriel Fernandes, Rota,Luciana Duarte, Rech,Juarez Ciro, Pansera,Marcia Regina, Agostini,Fabiana, Serafini,Luciana Atti, Moyna,Patrick
• Tipo de documento: Artigo
• Idioma: eng
• Título da fonte: Brazilian Archives of Biology and Technology
• Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132005000800020
• topic: Rosmarinus officinalis; rosemary; essential oil composition; alpha-pinene; 1,8-cineole; physico-chemical parameters

Nineteen samples of Rosmarinus officinalis were extracted by steam distillation in a pilot plant and evaluated in terms of chemical compositions and physico-chemical characteristics. The volatile oil yields ranged from 0.37% (1999 harvest) to 0.49% (1998 harvest). Twenty components were identified in the oils. The major components were alpha-pinene (40.55 to 45.10%), 1,8-cineole (17.40 to 19.35%), camphene (4.73 to 6.06%) and verbenone (2.32 to 3.86%). The physico-chemical parameters averaged 0.8887 g/cm³ for specific gravity, 1.4689 for refractive index, and +11.82° for optical rotation, and there were no significant variations in either the chemical or physico-chemical data in the different years.