Extraction of Terpenoids from Pine Needle Biomass Using Dimethyl Ether
Pine needles are an industrial feedstock for extracts used in a variety of applications, but conventional extraction methods often result in a degradation of the terpenoid compounds that naturally occur in loblolly pine (<i>Pinus taeda</i>). Separation of these compounds from pine biomas...
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| Language: | English |
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MDPI AG
2025-06-01
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| Series: | Separations |
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| Online Access: | https://www.mdpi.com/2297-8739/12/7/169 |
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| author | Gary S. Groenewold Christopher Orme Caleb Stetson Rebecca M. Brown Lynn M. Wendt Aaron D. Wilson |
| author_facet | Gary S. Groenewold Christopher Orme Caleb Stetson Rebecca M. Brown Lynn M. Wendt Aaron D. Wilson |
| author_sort | Gary S. Groenewold |
| collection | DOAJ |
| description | Pine needles are an industrial feedstock for extracts used in a variety of applications, but conventional extraction methods often result in a degradation of the terpenoid compounds that naturally occur in loblolly pine (<i>Pinus taeda</i>). Separation of these compounds from pine biomass is an energy-intensive operation, typically requiring a significant input of thermal energy. An alternative separation approach with potential energy savings is extraction with a condensable gas, namely, dimethyl ether. Biomass materials are exposed to liquid dimethyl ether under pressure, which mobilizes the organics. The extract is then separated from the insoluble pine matter, and dimethyl ether is volatilized away from the separated organic species. A variety of terpene derivatives were extracted from pine needle biomass using this approach, including monoterpenes, sesquiterpenes, and related oxygenates, which were identified using two-dimensional gas chromatography/mass spectrometry. Additionally, the dimethyl ether-treated needles resemble needles subjected to low-temperature drying, whereas needles treated with a high-temperature drying method appear to have shrunken structures. The results suggest that dimethyl ether extraction has significant potential for separating valuable organics from complex matrices without the application of thermal energy during treatment. |
| format | Article |
| id | doaj-art-85d7e7a30f3742f580aa6e459fc91e40 |
| institution | DOAJ |
| issn | 2297-8739 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Separations |
| spelling | doaj-art-85d7e7a30f3742f580aa6e459fc91e402025-08-20T03:07:57ZengMDPI AGSeparations2297-87392025-06-0112716910.3390/separations12070169Extraction of Terpenoids from Pine Needle Biomass Using Dimethyl EtherGary S. Groenewold0Christopher Orme1Caleb Stetson2Rebecca M. Brown3Lynn M. Wendt4Aaron D. Wilson5Idaho National Laboratory, Idaho Falls, ID 83415, USAIdaho National Laboratory, Idaho Falls, ID 83415, USAIdaho National Laboratory, Idaho Falls, ID 83415, USAIdaho National Laboratory, Idaho Falls, ID 83415, USAIdaho National Laboratory, Idaho Falls, ID 83415, USAIdaho National Laboratory, Idaho Falls, ID 83415, USAPine needles are an industrial feedstock for extracts used in a variety of applications, but conventional extraction methods often result in a degradation of the terpenoid compounds that naturally occur in loblolly pine (<i>Pinus taeda</i>). Separation of these compounds from pine biomass is an energy-intensive operation, typically requiring a significant input of thermal energy. An alternative separation approach with potential energy savings is extraction with a condensable gas, namely, dimethyl ether. Biomass materials are exposed to liquid dimethyl ether under pressure, which mobilizes the organics. The extract is then separated from the insoluble pine matter, and dimethyl ether is volatilized away from the separated organic species. A variety of terpene derivatives were extracted from pine needle biomass using this approach, including monoterpenes, sesquiterpenes, and related oxygenates, which were identified using two-dimensional gas chromatography/mass spectrometry. Additionally, the dimethyl ether-treated needles resemble needles subjected to low-temperature drying, whereas needles treated with a high-temperature drying method appear to have shrunken structures. The results suggest that dimethyl ether extraction has significant potential for separating valuable organics from complex matrices without the application of thermal energy during treatment.https://www.mdpi.com/2297-8739/12/7/169loblolly pine (<i>Pinus taeda</i>)pine needlesterpenoidsmonoterpenoidssesquiterpenoidsdimethyl ether (DME) extraction |
| spellingShingle | Gary S. Groenewold Christopher Orme Caleb Stetson Rebecca M. Brown Lynn M. Wendt Aaron D. Wilson Extraction of Terpenoids from Pine Needle Biomass Using Dimethyl Ether Separations loblolly pine (<i>Pinus taeda</i>) pine needles terpenoids monoterpenoids sesquiterpenoids dimethyl ether (DME) extraction |
| title | Extraction of Terpenoids from Pine Needle Biomass Using Dimethyl Ether |
| title_full | Extraction of Terpenoids from Pine Needle Biomass Using Dimethyl Ether |
| title_fullStr | Extraction of Terpenoids from Pine Needle Biomass Using Dimethyl Ether |
| title_full_unstemmed | Extraction of Terpenoids from Pine Needle Biomass Using Dimethyl Ether |
| title_short | Extraction of Terpenoids from Pine Needle Biomass Using Dimethyl Ether |
| title_sort | extraction of terpenoids from pine needle biomass using dimethyl ether |
| topic | loblolly pine (<i>Pinus taeda</i>) pine needles terpenoids monoterpenoids sesquiterpenoids dimethyl ether (DME) extraction |
| url | https://www.mdpi.com/2297-8739/12/7/169 |
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