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Article

Phenolic Fingerprinting, Antioxidant, and Deterrent Potentials of Persicaria maculosa Extracts

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Laboratorio de Ecología Química, Instituto de Química, Pontificia Universidad Católica de Valparaíso, Avda. Universidad 330. Curauma, Valparaíso 2340000, Chile
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Facultad de Ciencias para el cuidado de la Salud, Universidad San Sebastián, General Lagos 1163, Valdivia 5090000, Chile
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Instituto de Farmacia, Facultad de Ciencias, Universidad Austral de Chile, Valdivia 5090000, Chile
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Laboratorio de Ecología Química, Facultad de Química, Universidad de la República, Gral. Flores 2124 CP 11800, Montevideo 11800, Uruguay
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Departamento de Ciencias Básicas Biomédicas, Facultad de Ciencias de la Salud, Universidad de Talca, Avenida Lircay S/N, Talca 3460000, Chile
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Center for Interdisciplinary Studies on the Nervous System, Universidad Austral de Chile, Campus Isla Teja, Valdivia 5090000, Chile
*
Authors to whom correspondence should be addressed.
Academic Editors: Maria do Carmo Barreto, Laila Moujir Moujir and Nelson Simões
Molecules 2020, 25(13), 3054; https://doi.org/10.3390/molecules25133054
Received: 7 June 2020 / Revised: 30 June 2020 / Accepted: 2 July 2020 / Published: 3 July 2020
Persicaria maculosa (Polygonaceae) (known as lady’s thumb) is an annual morphologically variable weed that is widely distributed in Chile. The purpose of this study was to investigate the antifeedant potential of methanolic (MeOH), ethanolic (EtOH), and dichloromethane (DCM) extracts from the aerial parts of this plant collected in the Valparaíso and Curicó provinces (Chile) and relate this activity to the antioxidant capacity and the presence of phenolic compounds in the extracts. A phenolic profile based on HPLC-ESI-MS/MS allowed the identification of 26 phenolic compounds, most of them glycosyl derivatives of isorhamnetin, quercetin, and kaempferol. In addition, the total phenolic content (TP), total flavonoids (TF), and antioxidant activity measured by 2,2-diphenyl-1-picrylhydrazyl (DPPH), superoxide anion scavenging (O2), ferric-reducing antioxidant power (FRAP), and cupric-reducing antioxidant capacity (CUPRAC) of the extracts are reported. The antifeedant potentials of the plant extracts were tested against Epilachna paenulata, Pseudaletia adultera, Macrosiphum euphorbiae, and Diaphorina citri insects for the first time. The activity against the aphid M. euphorbiae was significant for the DCM extracts of plants from Valparaíso and Curicó (settling % = 23% ± 4% and 23% ± 5%, respectively). The antifeedant activities against the beetle E. paenulata and the lepidoptera P. adultera were significant for Valparaíso extracts, especially when tested against E. Paenulata (IFP = 1.0 ± 0.0). Finally, the MeOH and EtOH extracts from Valparaíso plants reduced the diet consumption of the psilid D. citri (p < 0.05). The results showed that P. maculosa is a good source of flavonoids with some antioxidant capacities and has potential interest as botanical eco-friendly alternative with deterrent activity. View Full-Text
Keywords: antioxidant; flavonoids; polygonaceae; HPLC-ESI-MS/MS; antifeedant activity antioxidant; flavonoids; polygonaceae; HPLC-ESI-MS/MS; antifeedant activity
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MDPI and ACS Style

Quesada-Romero, L.; Fernández-Galleguillos, C.; Bergmann, J.; Amorós, M.-E.; Jiménez-Aspee, F.; González, A.; Simirgiotis, M.; Rossini, C. Phenolic Fingerprinting, Antioxidant, and Deterrent Potentials of Persicaria maculosa Extracts. Molecules 2020, 25, 3054. https://doi.org/10.3390/molecules25133054

AMA Style

Quesada-Romero L, Fernández-Galleguillos C, Bergmann J, Amorós M-E, Jiménez-Aspee F, González A, Simirgiotis M, Rossini C. Phenolic Fingerprinting, Antioxidant, and Deterrent Potentials of Persicaria maculosa Extracts. Molecules. 2020; 25(13):3054. https://doi.org/10.3390/molecules25133054

Chicago/Turabian Style

Quesada-Romero, Luisa; Fernández-Galleguillos, Carlos; Bergmann, Jan; Amorós, María-Eugenia; Jiménez-Aspee, Felipe; González, Andrés; Simirgiotis, Mario; Rossini, Carmen. 2020. "Phenolic Fingerprinting, Antioxidant, and Deterrent Potentials of Persicaria maculosa Extracts" Molecules 25, no. 13: 3054. https://doi.org/10.3390/molecules25133054

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