Distillation methods affect the chemical composition of Varronia curassavica Jacq. essential oil?
The objective of this work was to evaluate the chemical composition of essential oil from Varronia curassavica Jacq. obtained by microwave (MI) and hydrodistillation (HD) extraction methods. The MI method tested three powers (500, 600, and 700W), three distillation times (20, 30, and 40 min.), and t...
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Universidade Federal de Uberlândia
2018-05-01
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| Series: | Bioscience Journal |
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| Online Access: | http://www.seer.ufu.br/index.php/biosciencejournal/article/view/39372 |
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| author | Daniela Aparecida de Castro Nizio Arie Fitzgerald Blank Taís Santos Sampaio Fabiany de Andrade Brito Thiago Matos Andrade Maria de Fátima Arrigoni- Blank Alexandre Nizio Maria |
| author_facet | Daniela Aparecida de Castro Nizio Arie Fitzgerald Blank Taís Santos Sampaio Fabiany de Andrade Brito Thiago Matos Andrade Maria de Fátima Arrigoni- Blank Alexandre Nizio Maria |
| author_sort | Daniela Aparecida de Castro Nizio |
| collection | DOAJ |
| description | The objective of this work was to evaluate the chemical composition of essential oil from Varronia curassavica Jacq. obtained by microwave (MI) and hydrodistillation (HD) extraction methods. The MI method tested three powers (500, 600, and 700W), three distillation times (20, 30, and 40 min.), and three water volumes (0, 25, and 50 mL per sample). The HD method tested three distillation times (100, 120, and 140 min.) and three water volumes (1.0, 1.5, and 2.0 L per 3-liter flask). The essential oils were analyzed by GC/MS-FID. The optimal condition for the essential oil extraction by the MI method was 700W for 40 min. (3.28%), regardless of the volume of water. In its turn, the best condition for essential oil extraction by the HD method was 120 min. with 1.0 L of water per flask (3.34%). The most abundant compounds for MI (700 W for 40 min. without water) were shyobunol (26.53%) and bicyclogermacrene (4.96%); and the most abundant compounds for HD (120 min. with 1.0 L of water/flask) were shyobunol (24.00%) and germacrene D-4-ol (10.23%). Methyl farnesoate (2E, 6E) and farnesyl acetate (2Z, 6E) were not detected in the essential oil extracted by HD; however, they were identified by the MI method. By increasing the distillation time and/or volume of water in HD, a reduction was observed for the content of the chemical compounds β-elemene (from 1.23 to 0.97%), E-caryophyllene (from 5.49 to 4.35%), α-humulene (from 1.80 to 1.43%), alloaromadendrene (from 1.78 to 1.44%), bicyclogermacrene (from 5.63 to 4.55%), and germacrene D-4-ol (from 11.40 to 9.86%). Power, extraction time, and their interactions influenced the content of essential oil obtained by microwave extraction (MI). Within each power, the highest essential oil content was extracted at the longest distillation time (40 min.), except for 600W, where no significant difference was detected between 30 and 40 min. The optimal essential oil contents for both extraction methods were statically similar by the t-test for dependent samples. However, the MI method presents advantages, such as shorter distillation time and less energy and water consumption. |
| first_indexed | 2024-12-21T21:10:44Z |
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| id | doaj.art-baaa916267854341831336f45a8c0b72 |
| institution | Directory Open Access Journal |
| issn | 1981-3163 |
| language | English |
| last_indexed | 2024-12-21T21:10:44Z |
| publishDate | 2018-05-01 |
| publisher | Universidade Federal de Uberlândia |
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| spelling | doaj.art-baaa916267854341831336f45a8c0b722022-12-21T18:50:09ZengUniversidade Federal de UberlândiaBioscience Journal1981-31632018-05-0134310.14393/BJ-v34n3a2018-3937239372Distillation methods affect the chemical composition of Varronia curassavica Jacq. essential oil?Daniela Aparecida de Castro Nizio0Arie Fitzgerald Blank1Taís Santos Sampaio2Fabiany de Andrade Brito3Thiago Matos Andrade4Maria de Fátima Arrigoni- Blank5Alexandre Nizio Maria6Universidade Federal de SergipeUniversidade Federal de SergipeUniversidade Federal de SergipeUniversidade Federal de SergipeUniversidade Federal de SergipeUniversidade Federal de SergipeEmbrapa Tabuleiros CosteirosThe objective of this work was to evaluate the chemical composition of essential oil from Varronia curassavica Jacq. obtained by microwave (MI) and hydrodistillation (HD) extraction methods. The MI method tested three powers (500, 600, and 700W), three distillation times (20, 30, and 40 min.), and three water volumes (0, 25, and 50 mL per sample). The HD method tested three distillation times (100, 120, and 140 min.) and three water volumes (1.0, 1.5, and 2.0 L per 3-liter flask). The essential oils were analyzed by GC/MS-FID. The optimal condition for the essential oil extraction by the MI method was 700W for 40 min. (3.28%), regardless of the volume of water. In its turn, the best condition for essential oil extraction by the HD method was 120 min. with 1.0 L of water per flask (3.34%). The most abundant compounds for MI (700 W for 40 min. without water) were shyobunol (26.53%) and bicyclogermacrene (4.96%); and the most abundant compounds for HD (120 min. with 1.0 L of water/flask) were shyobunol (24.00%) and germacrene D-4-ol (10.23%). Methyl farnesoate (2E, 6E) and farnesyl acetate (2Z, 6E) were not detected in the essential oil extracted by HD; however, they were identified by the MI method. By increasing the distillation time and/or volume of water in HD, a reduction was observed for the content of the chemical compounds β-elemene (from 1.23 to 0.97%), E-caryophyllene (from 5.49 to 4.35%), α-humulene (from 1.80 to 1.43%), alloaromadendrene (from 1.78 to 1.44%), bicyclogermacrene (from 5.63 to 4.55%), and germacrene D-4-ol (from 11.40 to 9.86%). Power, extraction time, and their interactions influenced the content of essential oil obtained by microwave extraction (MI). Within each power, the highest essential oil content was extracted at the longest distillation time (40 min.), except for 600W, where no significant difference was detected between 30 and 40 min. The optimal essential oil contents for both extraction methods were statically similar by the t-test for dependent samples. However, the MI method presents advantages, such as shorter distillation time and less energy and water consumption.http://www.seer.ufu.br/index.php/biosciencejournal/article/view/39372microwave distillationvolatile oilchemical compounds |
| spellingShingle | Daniela Aparecida de Castro Nizio Arie Fitzgerald Blank Taís Santos Sampaio Fabiany de Andrade Brito Thiago Matos Andrade Maria de Fátima Arrigoni- Blank Alexandre Nizio Maria Distillation methods affect the chemical composition of Varronia curassavica Jacq. essential oil? Bioscience Journal microwave distillation volatile oil chemical compounds |
| title | Distillation methods affect the chemical composition of Varronia curassavica Jacq. essential oil? |
| title_full | Distillation methods affect the chemical composition of Varronia curassavica Jacq. essential oil? |
| title_fullStr | Distillation methods affect the chemical composition of Varronia curassavica Jacq. essential oil? |
| title_full_unstemmed | Distillation methods affect the chemical composition of Varronia curassavica Jacq. essential oil? |
| title_short | Distillation methods affect the chemical composition of Varronia curassavica Jacq. essential oil? |
| title_sort | distillation methods affect the chemical composition of varronia curassavica jacq essential oil |
| topic | microwave distillation volatile oil chemical compounds |
| url | http://www.seer.ufu.br/index.php/biosciencejournal/article/view/39372 |
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