Details der Publikation - Seasonal Chemical Variability of Aloysia polystachya Leaves

Seasonal Chemical Variability of Aloysia polystachya Leaves

The use of natural products as food ingredients requires adequate regulation and safety assessment for its legal commercialization. Aloysia polystachya (Griseb.) Moldenke, Verbenaceae, is a native plant from Argentina with aromatic and medicinal properties. A selected Argentinean genotype of this species was harvested and evaluated monthly for 1 year involving the different stages of a whole crop cycle to determine its chemical variability. The volatile and non-volatile fractions of its air-dried leaves were characterized. The content of total polyphenols, spectrophotometrically estimated by the Folin-Ciocalteu method, varied from 4.2 to 6.2% gallic acid equivalents. Verbascoside identification was confirmed by HPLC-MS/MS, and its content was evaluated by HPLC with a multiple wavelength detector, ranging from 2.2 to 5.4%. Volatile oil yield obtained by hydrodistillation was calculated in each sample, and their chemical compositions were determined by GC-FID-MS. The yield values ranged from 1.5 to 6.6% being rich in carvone (62.3–81.9%) and limonene (12–32.7%). The contents of verbascoside, polyphenols, and volatile oil fluctuated throughout the year. The most suitable profile was found from September to December. This work is a contribution to the standardization and quality control of A. polystachya to be used for food or medicinal purposes. Graphical Abstract.

Medienart:	E-Artikel

Erscheinungsjahr:	2022
Erschienen:	2022

Enthalten in:	Zur Gesamtaufnahme - volume:32
Enthalten in:	Revista Brasileira de farmacognosia - 32(2022), 5 vom: 19. Sept., Seite 759-766

Sprache:	Englisch

Beteiligte Personen:	Retta, Daiana S. [VerfasserIn] Di Leo Lira, Paola M. del R. [VerfasserIn] Bálsamo, Maricel [VerfasserIn] Delpupo, Macarena [VerfasserIn] Moscatelli, Valeria A. [VerfasserIn] Dobrecky, Cecilia [VerfasserIn] Flor, Sabrina [VerfasserIn] Guariniello, Julián [VerfasserIn] Bandoni, Arnaldo L. [VerfasserIn] van Baren, Catalina M. [VerfasserIn]

Links:	Volltext [lizenzpflichtig]

Themen:	Carvone Composed yerba mate Quality control Seasonal variability Verbascoside Volatile oil

Anmerkungen:	© The Author(s) under exclusive licence to Sociedade Brasileira de Farmacognosia 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.

doi:	10.1007/s43450-022-00303-4

funding:
Förderinstitution / Projekttitel:

PPN (Katalog-ID):	OLC2132291446

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520			\|a The use of natural products as food ingredients requires adequate regulation and safety assessment for its legal commercialization. Aloysia polystachya (Griseb.) Moldenke, Verbenaceae, is a native plant from Argentina with aromatic and medicinal properties. A selected Argentinean genotype of this species was harvested and evaluated monthly for 1 year involving the different stages of a whole crop cycle to determine its chemical variability. The volatile and non-volatile fractions of its air-dried leaves were characterized. The content of total polyphenols, spectrophotometrically estimated by the Folin-Ciocalteu method, varied from 4.2 to 6.2% gallic acid equivalents. Verbascoside identification was confirmed by HPLC-MS/MS, and its content was evaluated by HPLC with a multiple wavelength detector, ranging from 2.2 to 5.4%. Volatile oil yield obtained by hydrodistillation was calculated in each sample, and their chemical compositions were determined by GC-FID-MS. The yield values ranged from 1.5 to 6.6% being rich in carvone (62.3–81.9%) and limonene (12–32.7%). The contents of verbascoside, polyphenols, and volatile oil fluctuated throughout the year. The most suitable profile was found from September to December. This work is a contribution to the standardization and quality control of A. polystachya to be used for food or medicinal purposes. Graphical Abstract
650		4	\|a Composed yerba mate
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700	1		\|a Bandoni, Arnaldo L. \|0 (orcid)0000-0003-4152-2668 \|4 aut
700	1		\|a van Baren, Catalina M. \|0 (orcid)0000-0002-7180-6824 \|4 aut
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Seasonal Chemical Variability of Aloysia polystachya Leaves

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