Antioxidant activity analysis of new interspecific hybrid germplasm thyme and oregano essential oils with different chemotypes
Abstract Thyme and oregano essential oils (EOs) and their components have numerous applications in the pharmaceutical, food, and cosmetic industries owing to their antioxidant, antibacterial, antifungal, anti-inflammatory, antiviral, and immunological properties. We attempted to create new chemotype...
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2025-01-01
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| Series: | BMC Plant Biology |
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| Online Access: | https://doi.org/10.1186/s12870-024-06015-2 |
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| author | Meiyu Sun Jiahui Miao Yanan Zhang Yuanpeng Hao Jinzheng Zhang Hui Li Hongtong Bai Lei Shi |
| author_facet | Meiyu Sun Jiahui Miao Yanan Zhang Yuanpeng Hao Jinzheng Zhang Hui Li Hongtong Bai Lei Shi |
| author_sort | Meiyu Sun |
| collection | DOAJ |
| description | Abstract Thyme and oregano essential oils (EOs) and their components have numerous applications in the pharmaceutical, food, and cosmetic industries owing to their antioxidant, antibacterial, antifungal, anti-inflammatory, antiviral, and immunological properties. We attempted to create new chemotypes through the hybridization of thyme and oregano for functional EO research and product development. Here, we used interspecific hybridization to create new thyme and oregano germplasms with new EO chemotypes. The antioxidant activities of these new chemotype EOs were verified by DPPH, ABTS, and FRAP analyses. We determined that there are five types of thyme hybrid EOs: geraniol-type, carvacrol-type, thymol-type, parent polymerization-type, and α-terpineol/α-terpinyl acetate-type. Moreover, there are five types of oregano hybrid EOs: carvacrol-type, thymol-type, sabinene hydrate-type, parent polymerization-type, and carvacrol/sabinene hydrate-type. The geraniol, thymol, and carvacrol contents ranged from 30.45%, 1.21% and 0.00%, respectively, in the parents to 81.66%, 52.65%, and 46.16%, respectively, in the thyme hybrids. The carvacrol and thymol contents ranged from 2.33% to 24.18%, respectively, in the parents to 94.16% and 76.77%, respectively, in the oregano hybrids, indicating obvious heterosis. We further used three antioxidant assays, DPPH, ABTS, and FRAP, to analyse the antioxidant activity of thyme and oregano hybrid EO samples. The antioxidant capacities of carvacrol- and thymol-type EOs were significantly superior to those of other chemotypes. Our data suggest that carvacrol- and thymol-type EOs with greater antioxidant potential can be applied in many industries. In addition, the function of high geraniol-type thyme EO should be further researched. The results will also be very useful for the selection of new varieties, functional research on carvacrol-, thymol-, and geraniol-type essential oils, and product development of feed additives, cosmetics, etc. |
| format | Article |
| id | doaj-art-7beccb2abe4a479bbc7a328c20406d72 |
| institution | Kabale University |
| issn | 1471-2229 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | BMC |
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| series | BMC Plant Biology |
| spelling | doaj-art-7beccb2abe4a479bbc7a328c20406d722025-01-12T12:14:14ZengBMCBMC Plant Biology1471-22292025-01-0125111810.1186/s12870-024-06015-2Antioxidant activity analysis of new interspecific hybrid germplasm thyme and oregano essential oils with different chemotypesMeiyu Sun0Jiahui Miao1Yanan Zhang2Yuanpeng Hao3Jinzheng Zhang4Hui Li5Hongtong Bai6Lei Shi7State Key Laboratory of Plant Diversity and Specialty Crops, Institute of Botany, Chinese Academy of SciencesState Key Laboratory of Plant Diversity and Specialty Crops, Institute of Botany, Chinese Academy of SciencesState Key Laboratory of Plant Diversity and Specialty Crops, Institute of Botany, Chinese Academy of SciencesState Key Laboratory of Plant Diversity and Specialty Crops, Institute of Botany, Chinese Academy of SciencesChina National Botanical GardenChina National Botanical GardenChina National Botanical GardenState Key Laboratory of Plant Diversity and Specialty Crops, Institute of Botany, Chinese Academy of SciencesAbstract Thyme and oregano essential oils (EOs) and their components have numerous applications in the pharmaceutical, food, and cosmetic industries owing to their antioxidant, antibacterial, antifungal, anti-inflammatory, antiviral, and immunological properties. We attempted to create new chemotypes through the hybridization of thyme and oregano for functional EO research and product development. Here, we used interspecific hybridization to create new thyme and oregano germplasms with new EO chemotypes. The antioxidant activities of these new chemotype EOs were verified by DPPH, ABTS, and FRAP analyses. We determined that there are five types of thyme hybrid EOs: geraniol-type, carvacrol-type, thymol-type, parent polymerization-type, and α-terpineol/α-terpinyl acetate-type. Moreover, there are five types of oregano hybrid EOs: carvacrol-type, thymol-type, sabinene hydrate-type, parent polymerization-type, and carvacrol/sabinene hydrate-type. The geraniol, thymol, and carvacrol contents ranged from 30.45%, 1.21% and 0.00%, respectively, in the parents to 81.66%, 52.65%, and 46.16%, respectively, in the thyme hybrids. The carvacrol and thymol contents ranged from 2.33% to 24.18%, respectively, in the parents to 94.16% and 76.77%, respectively, in the oregano hybrids, indicating obvious heterosis. We further used three antioxidant assays, DPPH, ABTS, and FRAP, to analyse the antioxidant activity of thyme and oregano hybrid EO samples. The antioxidant capacities of carvacrol- and thymol-type EOs were significantly superior to those of other chemotypes. Our data suggest that carvacrol- and thymol-type EOs with greater antioxidant potential can be applied in many industries. In addition, the function of high geraniol-type thyme EO should be further researched. The results will also be very useful for the selection of new varieties, functional research on carvacrol-, thymol-, and geraniol-type essential oils, and product development of feed additives, cosmetics, etc.https://doi.org/10.1186/s12870-024-06015-2ThymeOreganoEssential oilChemotypeNew hybrid germplasmAntioxidant activity |
| spellingShingle | Meiyu Sun Jiahui Miao Yanan Zhang Yuanpeng Hao Jinzheng Zhang Hui Li Hongtong Bai Lei Shi Antioxidant activity analysis of new interspecific hybrid germplasm thyme and oregano essential oils with different chemotypes BMC Plant Biology Thyme Oregano Essential oil Chemotype New hybrid germplasm Antioxidant activity |
| title | Antioxidant activity analysis of new interspecific hybrid germplasm thyme and oregano essential oils with different chemotypes |
| title_full | Antioxidant activity analysis of new interspecific hybrid germplasm thyme and oregano essential oils with different chemotypes |
| title_fullStr | Antioxidant activity analysis of new interspecific hybrid germplasm thyme and oregano essential oils with different chemotypes |
| title_full_unstemmed | Antioxidant activity analysis of new interspecific hybrid germplasm thyme and oregano essential oils with different chemotypes |
| title_short | Antioxidant activity analysis of new interspecific hybrid germplasm thyme and oregano essential oils with different chemotypes |
| title_sort | antioxidant activity analysis of new interspecific hybrid germplasm thyme and oregano essential oils with different chemotypes |
| topic | Thyme Oregano Essential oil Chemotype New hybrid germplasm Antioxidant activity |
| url | https://doi.org/10.1186/s12870-024-06015-2 |
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