Antioxidant Phytochemicals in Horticultural Plants

A special issue of Horticulturae (ISSN 2311-7524). This special issue belongs to the section "Developmental Physiology, Biochemistry, and Molecular Biology".

Deadline for manuscript submissions: closed (29 February 2024) | Viewed by 1528

Special Issue Editors


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Guest Editor
Department of Chemistry, Universidade Tecnológica Federal Do Paraná (UTFPR), Pato Branco 85503-390, PR, Brazil
Interests: antioxidants; natural products; phenolic compounds; chromatography

E-Mail Website
Guest Editor
Department of Chemistry, Universidade Tecnológica Federal Do Paraná (UTFPR), Pato Branco 85503-390, PR, Brazil
Interests: antioxidants; fruits; natural dyes; phenolic compounds

E-Mail Website
Guest Editor
Department of Chemistry, Universidade Tecnológica Federal Do Paraná (UTFPR), Pato Branco 85503-390, PR, Brazil
Interests: natural dyes; crops; sensorial analysis

Special Issue Information

Dear Colleagues,

Horticultural crops (fruit, vegetables, medicinal, aromatic, and ornamental plants) are recognized for their nutritional and medicinal properties with high value to human health. The biological properties are related to the presence of several bioactive compounds, including polyphenols, carotenoids, and vitamins. The current high global demand for natural antioxidants for pharmaceuticals, cosmetics, food, and animal feed promotes the natural antioxidants market. Additionally, the consumer request for healthy food makes natural dyes with antioxidant properties a topical demand for food products. Studying unexplored and unconventional fruits and food plants allows the discovery of natural antioxidants and natural dyes that could be used as mild antioxidants in industry and contribute to food production worldwide. Papers on assessing antioxidant potential, including studies on the chemical characterization and ability to purify and isolate natural antioxidants from fruits and plants, as well as reviews on overall innovative management approaches to natural antioxidants, are welcomed.

Prof. Dr. Tatiane Luiza Cadorin Oldoni
Prof. Dr. Solange Teresinha Carpes
Dr. Marina Leite Mitterer-Daltoé
Guest Editors

Manuscript Submission Information

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Keywords

  • natural antioxidants
  • natural dyes
  • unexplored
  • unconventional
  • polyphenols
  • fruits
  • plants

Published Papers (1 paper)

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Research

14 pages, 3316 KiB  
Article
Effects of Different Solvents on the Extraction of Phenolic and Flavonoid Compounds, and Antioxidant Activities, in Scutellaria baicalensis Hairy Roots
by Jinsu Lim, Kihyun Kim, Do Yeon Kwon, Jae Kwang Kim, Ramaraj Sathasivam and Sang Un Park
Horticulturae 2024, 10(2), 160; https://doi.org/10.3390/horticulturae10020160 - 09 Feb 2024
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Abstract
The hairy roots (HRs) of Scutellaria baicalensis are widely used and consumed worldwide as a medicine, especially in Asian countries, due to their biological and pharmacological activities. The HRs of this plant are rich in secondary metabolites. However, the optimal method and solvents [...] Read more.
The hairy roots (HRs) of Scutellaria baicalensis are widely used and consumed worldwide as a medicine, especially in Asian countries, due to their biological and pharmacological activities. The HRs of this plant are rich in secondary metabolites. However, the optimal method and solvents for the extraction of secondary metabolites from S. baicalensis HRs have not been well studied. Therefore, in this study, S. baicalensis HRs were extracted with different solvents, including water (WE), 99.9% pure methanol (PM), 70% aqueous methanol (AM), 99.9% pure ethanol (PE), and 70% aqueous ethanol (AE). The phenolic and flavonoid compounds and various antioxidant activities of each extract were measured. The AE extract (16.85 ± 0.15%) had a higher yield, which led to the highest accumulation of total phenolic content (TPC) and total flavonoid content (TFC), and antioxidant activity. The TPC and TFC were highest in AE (66.03 ± 0.44 mg GAE/g and 40.11 ± 1.31 mg QE/g, respectively), whereas WE, PM, and PE showed lower values in all assays. In addition, the highest antioxidant activities, such as DPPH, ABTS, and SOD-like scavenging activities and reducing power, were achieved in the AE extract compared to the other solvent extracts. Based on these results, the AE extract showed the highest phenolic and flavonoid accumulation and antioxidant activities, highlighting its potential use in the manufacture of useful materials from S. baicalensis HRs and its novel applications. Full article
(This article belongs to the Special Issue Antioxidant Phytochemicals in Horticultural Plants)
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