Impact of Soil on Biomass Yield and Accumulation of Lipophilic Secondary Metabolites in Four <i>Hypericum</i> Species
The genus <i>Hypericum</i> is a widely distributed ornamental and therapeutic herb known for its diverse bioactive compounds, including xanthones. The levels of secondary metabolites in plants are influenced by the specific plant part, agronomic conditions, and environmental factors. Rec...
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2025-02-01
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| author | Ieva Miķelsone Elise Sipeniece Inga Mišina Elvita Bondarenko Dalija Segliņa Paweł Górnaś |
| author_facet | Ieva Miķelsone Elise Sipeniece Inga Mišina Elvita Bondarenko Dalija Segliņa Paweł Górnaś |
| author_sort | Ieva Miķelsone |
| collection | DOAJ |
| description | The genus <i>Hypericum</i> is a widely distributed ornamental and therapeutic herb known for its diverse bioactive compounds, including xanthones. The levels of secondary metabolites in plants are influenced by the specific plant part, agronomic conditions, and environmental factors. Recently, the occurrence of tocotrienols, rare tocochromanols, was reported in <i>Hypericum perforatum</i>. Therefore, this study investigated the profiles of tocochromanols in different plant sections—leaves, stems, flowers, and flower bud—of four <i>Hypericum</i> species: <i>H. perforatum</i>, <i>H. annulatum</i>, <i>H. androsaemum</i>, and <i>H. × inodorum</i>, cultivated in three types of soil: potting, sandy, and clay. In the initial growing year, the highest biomass yield was recorded for <i>H. perforatum</i> grown in potting soil. Soil and species significantly influence biomass yield (<i>p</i> < 0.05). The inflorescences of <i>H. perforatum</i> were dominated by tocotrienols (T3s), primarily α-T3 and δ-T3, an observation not noted for <i>H. annulatum</i>. α-Tocopherol (α-T) was dominant in the leaves, while in the stems, except for <i>H. perforatum</i> (α-T), tocotrienols—γ-T3 and δ-T3 in <i>H. inodorum</i> and <i>H. androsaemum</i> and α-T3 and γ-T3 in <i>H. annulatum</i>—were more prevalent. This study demonstrates differences in tocochromanol accumulation in different parts of the four <i>Hypericum</i> species grown in different soils. |
| format | Article |
| id | doaj-art-b6d753b9588b47bd8367c9546b58353e |
| institution | DOAJ |
| issn | 2077-0472 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | MDPI AG |
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| series | Agriculture |
| spelling | doaj-art-b6d753b9588b47bd8367c9546b58353e2025-08-20T02:59:07ZengMDPI AGAgriculture2077-04722025-02-0115552610.3390/agriculture15050526Impact of Soil on Biomass Yield and Accumulation of Lipophilic Secondary Metabolites in Four <i>Hypericum</i> SpeciesIeva Miķelsone0Elise Sipeniece1Inga Mišina2Elvita Bondarenko3Dalija Segliņa4Paweł Górnaś5Institute of Horticulture, Graudu 1, LV-3701 Dobele, LatviaInstitute of Horticulture, Graudu 1, LV-3701 Dobele, LatviaInstitute of Horticulture, Graudu 1, LV-3701 Dobele, LatviaInstitute of Horticulture, Graudu 1, LV-3701 Dobele, LatviaInstitute of Horticulture, Graudu 1, LV-3701 Dobele, LatviaInstitute of Horticulture, Graudu 1, LV-3701 Dobele, LatviaThe genus <i>Hypericum</i> is a widely distributed ornamental and therapeutic herb known for its diverse bioactive compounds, including xanthones. The levels of secondary metabolites in plants are influenced by the specific plant part, agronomic conditions, and environmental factors. Recently, the occurrence of tocotrienols, rare tocochromanols, was reported in <i>Hypericum perforatum</i>. Therefore, this study investigated the profiles of tocochromanols in different plant sections—leaves, stems, flowers, and flower bud—of four <i>Hypericum</i> species: <i>H. perforatum</i>, <i>H. annulatum</i>, <i>H. androsaemum</i>, and <i>H. × inodorum</i>, cultivated in three types of soil: potting, sandy, and clay. In the initial growing year, the highest biomass yield was recorded for <i>H. perforatum</i> grown in potting soil. Soil and species significantly influence biomass yield (<i>p</i> < 0.05). The inflorescences of <i>H. perforatum</i> were dominated by tocotrienols (T3s), primarily α-T3 and δ-T3, an observation not noted for <i>H. annulatum</i>. α-Tocopherol (α-T) was dominant in the leaves, while in the stems, except for <i>H. perforatum</i> (α-T), tocotrienols—γ-T3 and δ-T3 in <i>H. inodorum</i> and <i>H. androsaemum</i> and α-T3 and γ-T3 in <i>H. annulatum</i>—were more prevalent. This study demonstrates differences in tocochromanol accumulation in different parts of the four <i>Hypericum</i> species grown in different soils.https://www.mdpi.com/2077-0472/15/5/526hypericaceaeagricultural factorsvariety of phytochemicalslipophilic bioactive compoundantioxidantstocols |
| spellingShingle | Ieva Miķelsone Elise Sipeniece Inga Mišina Elvita Bondarenko Dalija Segliņa Paweł Górnaś Impact of Soil on Biomass Yield and Accumulation of Lipophilic Secondary Metabolites in Four <i>Hypericum</i> Species Agriculture hypericaceae agricultural factors variety of phytochemicals lipophilic bioactive compound antioxidants tocols |
| title | Impact of Soil on Biomass Yield and Accumulation of Lipophilic Secondary Metabolites in Four <i>Hypericum</i> Species |
| title_full | Impact of Soil on Biomass Yield and Accumulation of Lipophilic Secondary Metabolites in Four <i>Hypericum</i> Species |
| title_fullStr | Impact of Soil on Biomass Yield and Accumulation of Lipophilic Secondary Metabolites in Four <i>Hypericum</i> Species |
| title_full_unstemmed | Impact of Soil on Biomass Yield and Accumulation of Lipophilic Secondary Metabolites in Four <i>Hypericum</i> Species |
| title_short | Impact of Soil on Biomass Yield and Accumulation of Lipophilic Secondary Metabolites in Four <i>Hypericum</i> Species |
| title_sort | impact of soil on biomass yield and accumulation of lipophilic secondary metabolites in four i hypericum i species |
| topic | hypericaceae agricultural factors variety of phytochemicals lipophilic bioactive compound antioxidants tocols |
| url | https://www.mdpi.com/2077-0472/15/5/526 |
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