Comparative Chemical Profiles and Phytotoxic Activity of Essential Oils of Two Ecospecies of <i>Pulicaria undulata</i> (L.) C.A.Mey

The Asteraceae (Compositae) family is one of the largest angiosperm families that has a large number of aromatic species. <i>Pulicaria undulata</i> is a well-known medicinal plant that is used in the treatment of various diseases due to its essential oil (EO). The EO of both Saudi and Eg...

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Autores principales:	Ahmed M. Abd-ELGawad, Saud L. Al-Rowaily, Abdulaziz M. Assaeed, Yasser A. EI-Amier, Abd El-Nasser G. El Gendy, Elsayed Omer, Dakhil H. Al-Dosari, Giuliano Bonanomi, Hazem S. Kassem, Abdelsamed I. Elshamy
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	allelopathy <i>Pulicaria crispa</i> chemometric analysis chemotype Asteraceae Botany QK1-989
Acceso en línea:	https://doaj.org/article/9f0de764b46644d8b2cfa23dfbd2c074
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spelling	oai:doaj.org-article:9f0de764b46644d8b2cfa23dfbd2c0742021-11-25T18:45:52ZComparative Chemical Profiles and Phytotoxic Activity of Essential Oils of Two Ecospecies of <i>Pulicaria undulata</i> (L.) C.A.Mey10.3390/plants101123662223-7747https://doaj.org/article/9f0de764b46644d8b2cfa23dfbd2c0742021-11-01T00:00:00Zhttps://www.mdpi.com/2223-7747/10/11/2366https://doaj.org/toc/2223-7747The Asteraceae (Compositae) family is one of the largest angiosperm families that has a large number of aromatic species. <i>Pulicaria undulata</i> is a well-known medicinal plant that is used in the treatment of various diseases due to its essential oil (EO). The EO of both Saudi and Egyptian ecospecies were extracted via hydrodistillation, and the chemical compounds were identified by GC–MS analysis. The composition of the EOs of Saudi and Egyptian ecospecies, as well as other reported ecospecies, were chemometrically analyzed. Additionally, the phytotoxic activity of the extracted EOs was tested against the weeds <i>Dactyloctenium aegyptium</i> and <i>Bidens pilosa</i>. In total, 80 compounds were identified from both ecospecies, of which 61 were Saudi ecospecies, with a preponderance of <i>β</i>-pinene, isoshyobunone, 6-epi-shyobunol, <i>α</i>-pinene, and <i>α</i>-terpinolene. However, the Egyptian ecospecies attained a lower number (34 compounds), with spathulenol, hexahydrofarnesyl acetone, <i>α</i>-bisabolol, and τ--cadinol as the main compounds. The chemometric analysis revealed that the studied ecospecies and other reported species were different in their composition. This variation could be attributed to the difference in the environmental and climatic conditions. The EO of the Egyptian ecospecies showed more phytotoxic activity against <i>D. aegyptium</i> and <i>B. pilosa</i> than the Saudi ecospecies. This variation might be ascribed to the difference in their major constituents. Therefore, further study is recommended for the characterization of authentic materials of these compounds as allelochemicals against various weeds, either singular or in combination.Ahmed M. Abd-ELGawadSaud L. Al-RowailyAbdulaziz M. AssaeedYasser A. EI-AmierAbd El-Nasser G. El GendyElsayed OmerDakhil H. Al-DosariGiuliano BonanomiHazem S. KassemAbdelsamed I. ElshamyMDPI AGarticleallelopathy<i>Pulicaria crispa</i>chemometric analysischemotypeAsteraceaeBotanyQK1-989ENPlants, Vol 10, Iss 2366, p 2366 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	allelopathy <i>Pulicaria crispa</i> chemometric analysis chemotype Asteraceae Botany QK1-989
spellingShingle	allelopathy <i>Pulicaria crispa</i> chemometric analysis chemotype Asteraceae Botany QK1-989 Ahmed M. Abd-ELGawad Saud L. Al-Rowaily Abdulaziz M. Assaeed Yasser A. EI-Amier Abd El-Nasser G. El Gendy Elsayed Omer Dakhil H. Al-Dosari Giuliano Bonanomi Hazem S. Kassem Abdelsamed I. Elshamy Comparative Chemical Profiles and Phytotoxic Activity of Essential Oils of Two Ecospecies of <i>Pulicaria undulata</i> (L.) C.A.Mey
description	The Asteraceae (Compositae) family is one of the largest angiosperm families that has a large number of aromatic species. <i>Pulicaria undulata</i> is a well-known medicinal plant that is used in the treatment of various diseases due to its essential oil (EO). The EO of both Saudi and Egyptian ecospecies were extracted via hydrodistillation, and the chemical compounds were identified by GC–MS analysis. The composition of the EOs of Saudi and Egyptian ecospecies, as well as other reported ecospecies, were chemometrically analyzed. Additionally, the phytotoxic activity of the extracted EOs was tested against the weeds <i>Dactyloctenium aegyptium</i> and <i>Bidens pilosa</i>. In total, 80 compounds were identified from both ecospecies, of which 61 were Saudi ecospecies, with a preponderance of <i>β</i>-pinene, isoshyobunone, 6-epi-shyobunol, <i>α</i>-pinene, and <i>α</i>-terpinolene. However, the Egyptian ecospecies attained a lower number (34 compounds), with spathulenol, hexahydrofarnesyl acetone, <i>α</i>-bisabolol, and τ--cadinol as the main compounds. The chemometric analysis revealed that the studied ecospecies and other reported species were different in their composition. This variation could be attributed to the difference in the environmental and climatic conditions. The EO of the Egyptian ecospecies showed more phytotoxic activity against <i>D. aegyptium</i> and <i>B. pilosa</i> than the Saudi ecospecies. This variation might be ascribed to the difference in their major constituents. Therefore, further study is recommended for the characterization of authentic materials of these compounds as allelochemicals against various weeds, either singular or in combination.
format	article
author	Ahmed M. Abd-ELGawad Saud L. Al-Rowaily Abdulaziz M. Assaeed Yasser A. EI-Amier Abd El-Nasser G. El Gendy Elsayed Omer Dakhil H. Al-Dosari Giuliano Bonanomi Hazem S. Kassem Abdelsamed I. Elshamy
author_facet	Ahmed M. Abd-ELGawad Saud L. Al-Rowaily Abdulaziz M. Assaeed Yasser A. EI-Amier Abd El-Nasser G. El Gendy Elsayed Omer Dakhil H. Al-Dosari Giuliano Bonanomi Hazem S. Kassem Abdelsamed I. Elshamy
author_sort	Ahmed M. Abd-ELGawad
title	Comparative Chemical Profiles and Phytotoxic Activity of Essential Oils of Two Ecospecies of <i>Pulicaria undulata</i> (L.) C.A.Mey
title_short	Comparative Chemical Profiles and Phytotoxic Activity of Essential Oils of Two Ecospecies of <i>Pulicaria undulata</i> (L.) C.A.Mey
title_full	Comparative Chemical Profiles and Phytotoxic Activity of Essential Oils of Two Ecospecies of <i>Pulicaria undulata</i> (L.) C.A.Mey
title_fullStr	Comparative Chemical Profiles and Phytotoxic Activity of Essential Oils of Two Ecospecies of <i>Pulicaria undulata</i> (L.) C.A.Mey
title_full_unstemmed	Comparative Chemical Profiles and Phytotoxic Activity of Essential Oils of Two Ecospecies of <i>Pulicaria undulata</i> (L.) C.A.Mey
title_sort	comparative chemical profiles and phytotoxic activity of essential oils of two ecospecies of <i>pulicaria undulata</i> (l.) c.a.mey
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/9f0de764b46644d8b2cfa23dfbd2c074
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Comparative Chemical Profiles and Phytotoxic Activity of Essential Oils of Two Ecospecies of <i>Pulicaria undulata</i> (L.) C.A.Mey

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