Effects of γ-Irradiation of Wild Thyme (Thymus serpyllum L.) on the Phenolic Compounds Profile of Its Ethanolic Extract
The presented study revealed that there were changes in the phenolic compounds profile of extract of wild thyme (Thymus serpyllum L.) after γ-irradiation at the dose of 5 kGy. Ethanolic extracts of irradiated and non-irradiated herb were prepared and their compounds were analyzed by RP-HPLC-DAD tech...
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Institute of Animal Reproduction and Food Research of the Polish Academy of Sciences
2017-12-01
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| Series: | Polish Journal of Food and Nutrition Sciences |
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| Online Access: | http://www.degruyter.com/view/j/pjfns.2017.67.issue-4/pjfns-2017-0020/pjfns-2017-0020.xml?format=INT |
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| author | Janiak Michał A. Slavova-Kazakova Adriana Kancheva Vessela D. Ivanova Milena Tsrunchev Tsvetelin Karamać Magdalena |
| author_facet | Janiak Michał A. Slavova-Kazakova Adriana Kancheva Vessela D. Ivanova Milena Tsrunchev Tsvetelin Karamać Magdalena |
| author_sort | Janiak Michał A. |
| collection | DOAJ |
| description | The presented study revealed that there were changes in the phenolic compounds profile of extract of wild thyme (Thymus serpyllum L.) after γ-irradiation at the dose of 5 kGy. Ethanolic extracts of irradiated and non-irradiated herb were prepared and their compounds were analyzed by RP-HPLC-DAD technique. Between thirty two detected constituents, twelve phenolic compounds classified as hydroxybenzoic and hydroxycinnamic acids derivatives, flavones and flavanones were identified. Among them, caffeic acid derivatives and flavones predominated with the highest content of rosmarinic acid and luteolin-7-O-glucoside, respectively. Additionally, thymol was recognized in the analyzed extracts. γ-Irradiation slightly affected the quantitative profile of phenolic compounds of a wild thyme ethanolic extract. Only four constituents differed significantly (P<0.05) in terms of their content in the irradiated and non-irradiated samples. The content of phenolic acids (p-coumaric and caffeic acids) decreased and that of flavonoid aglycons (luteolin and eriodictyol) increased after the γ-ray treatment. |
| format | Article |
| id | doaj-art-26698a5bb8e34e88884d62b0db3fa033 |
| institution | Kabale University |
| issn | 2083-6007 |
| language | English |
| publishDate | 2017-12-01 |
| publisher | Institute of Animal Reproduction and Food Research of the Polish Academy of Sciences |
| record_format | Article |
| series | Polish Journal of Food and Nutrition Sciences |
| spelling | doaj-art-26698a5bb8e34e88884d62b0db3fa0332025-02-02T03:20:48ZengInstitute of Animal Reproduction and Food Research of the Polish Academy of SciencesPolish Journal of Food and Nutrition Sciences2083-60072017-12-0167430931610.1515/pjfns-2017-0020pjfns-2017-0020Effects of γ-Irradiation of Wild Thyme (Thymus serpyllum L.) on the Phenolic Compounds Profile of Its Ethanolic ExtractJaniak Michał A.0Slavova-Kazakova Adriana1Kancheva Vessela D.2Ivanova Milena3Tsrunchev Tsvetelin4Karamać Magdalena5Department of Chemical and Physical Properties of Food, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima 10, 10–748Olsztyn, PolandLipid Chemistry Department, Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Acad. G. Bonchev, Build. 9, Sofia1113, BulgariaLipid Chemistry Department, Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Acad. G. Bonchev, Build. 9, Sofia1113, BulgariaStandard Dosimetry Laboratory, Ministry of Health, National Centre of Radiobiology and Radiation Protection, Georgi Sofiiski Str. 3, Sofia1606, BulgariaStandard Dosimetry Laboratory, Ministry of Health, National Centre of Radiobiology and Radiation Protection, Georgi Sofiiski Str. 3, Sofia1606, BulgariaDepartment of Chemical and Physical Properties of Food, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima 10, 10–748Olsztyn, PolandThe presented study revealed that there were changes in the phenolic compounds profile of extract of wild thyme (Thymus serpyllum L.) after γ-irradiation at the dose of 5 kGy. Ethanolic extracts of irradiated and non-irradiated herb were prepared and their compounds were analyzed by RP-HPLC-DAD technique. Between thirty two detected constituents, twelve phenolic compounds classified as hydroxybenzoic and hydroxycinnamic acids derivatives, flavones and flavanones were identified. Among them, caffeic acid derivatives and flavones predominated with the highest content of rosmarinic acid and luteolin-7-O-glucoside, respectively. Additionally, thymol was recognized in the analyzed extracts. γ-Irradiation slightly affected the quantitative profile of phenolic compounds of a wild thyme ethanolic extract. Only four constituents differed significantly (P<0.05) in terms of their content in the irradiated and non-irradiated samples. The content of phenolic acids (p-coumaric and caffeic acids) decreased and that of flavonoid aglycons (luteolin and eriodictyol) increased after the γ-ray treatment.http://www.degruyter.com/view/j/pjfns.2017.67.issue-4/pjfns-2017-0020/pjfns-2017-0020.xml?format=INTThymus serpyllum L.herbal teaethanolic extractγ-irradiationphenolic compounds |
| spellingShingle | Janiak Michał A. Slavova-Kazakova Adriana Kancheva Vessela D. Ivanova Milena Tsrunchev Tsvetelin Karamać Magdalena Effects of γ-Irradiation of Wild Thyme (Thymus serpyllum L.) on the Phenolic Compounds Profile of Its Ethanolic Extract Polish Journal of Food and Nutrition Sciences Thymus serpyllum L. herbal tea ethanolic extract γ-irradiation phenolic compounds |
| title | Effects of γ-Irradiation of Wild Thyme (Thymus serpyllum L.) on the Phenolic Compounds Profile of Its Ethanolic Extract |
| title_full | Effects of γ-Irradiation of Wild Thyme (Thymus serpyllum L.) on the Phenolic Compounds Profile of Its Ethanolic Extract |
| title_fullStr | Effects of γ-Irradiation of Wild Thyme (Thymus serpyllum L.) on the Phenolic Compounds Profile of Its Ethanolic Extract |
| title_full_unstemmed | Effects of γ-Irradiation of Wild Thyme (Thymus serpyllum L.) on the Phenolic Compounds Profile of Its Ethanolic Extract |
| title_short | Effects of γ-Irradiation of Wild Thyme (Thymus serpyllum L.) on the Phenolic Compounds Profile of Its Ethanolic Extract |
| title_sort | effects of γ irradiation of wild thyme thymus serpyllum l on the phenolic compounds profile of its ethanolic extract |
| topic | Thymus serpyllum L. herbal tea ethanolic extract γ-irradiation phenolic compounds |
| url | http://www.degruyter.com/view/j/pjfns.2017.67.issue-4/pjfns-2017-0020/pjfns-2017-0020.xml?format=INT |
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