Bio-Active Compounds in Horticultural Plants—2nd Edition

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Horticultural Science and Ornamental Plants".

Deadline for manuscript submissions: 30 November 2025 | Viewed by 1191

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Special Issue Information

Dear Colleagues,

Horticultural plants contain a significant number of micronutrients, vitamins, and natural bioactive compounds (NBCs), which possess a variety of biological activities, such as antioxidant, antibacterial, antifungal, antiviral, antimicrobial, antidiabetic, anticancer, antidiarrheal, antihypertensive, antimutagenic, and anti-inflammatory activities, among other things. The isolation, analysis, and characterization of these compounds within these extracts makes it is possible to understand why they exhibit these diverse characteristic activities, as well as the chemical metabolism of compounds that occurs in horticultural plants. There is also a significant research challenge: to improve the extraction of NBCs from different horticultural plants in a sustainable way, according to circular economy principles, setting up new methods and processes. The need to identify the best “extraction” conditions and technologies, in order to improve the release of NBCs from the plant matrix in which they are encased, is also becoming an increasingly important goal too. This Special Issue will highlight the research of new potential NBCs with important biological activities from different horticultural plants, as well as the biochemical characterization of plant extracts with important biological properties, focusing attention to the used extraction methodology.

Dr. Enrico Doria
Guest Editor

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Keywords

  • isolation and analysis of compounds
  • herbal and plant extracts
  • quality control
  • functional foods
  • herbal drugs
  • profiling
  • standardized processing
  • characteristic compounds
  • bioactive compounds
  • metabolites
  • phytochemicals
  • metabolomics

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Published Papers (1 paper)

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Research

22 pages, 2975 KB  
Article
Diversity of Pummelos (Citrus maxima (Burm.) Merr.) and Grapefruits (Citrus x aurantium var. paradisi) Inferred by Genetic Markers, Essential Oils Composition, and Phenotypical Fruit Traits
by François Luro, Elodie Marchi, Gilles Costantino, Mathieu Paoli and Félix Tomi
Plants 2025, 14(12), 1824; https://doi.org/10.3390/plants14121824 - 13 Jun 2025
Viewed by 968
Abstract
Pummelo (Citrus maxima) is an ancestral species that has given rise to several major citrus varieties, such as sweet orange (C. x aurantium var. sinensis) and grapefruit (C. x aurantium var. paradisi). This species is also cultivated [...] Read more.
Pummelo (Citrus maxima) is an ancestral species that has given rise to several major citrus varieties, such as sweet orange (C. x aurantium var. sinensis) and grapefruit (C. x aurantium var. paradisi). This species is also cultivated and its fruit consumed, particularly in Asia. Over the course of evolution, the allogamous reproduction of pummelos and the absence of asexual multiplication have contributed to its diversification. To assess its phenotypic diversity and the chemical composition of leaf and peel essential oils, genetic analysis using DNA markers is an essential prerequisite to ensure the identity and if varieties belong to this species. Fifty-eight accessions classified as grapefruits or pummelos were analyzed using 42 SSRs, 4 Indels, and 36 SNP markers. Based on the allelic composition of these markers, 20 cultivars were detected belonging to pummelos, 18 cultivars to grapefruits, and 11 were interspecific hybrids. The grapefruit inter-cultivar SSR diversity is null. The genetic origin of five interspecific hybrids is elucidated. The level of phenotypic diversity and of essential oil composition corroborate the modes of diversification, with high levels for those resulting from crosses and very low levels for the group of grapefruit mutants. Only the characteristics of breeding selection (pulp color, acidity and aspermia) are variable in grapefruits. In the composition of leaf essential oils (LEOs), nine profiles were detected in grapefruits based on variations in six compounds (neral, geranial, β-phellandrene, γ-terpinene, (E)-β-ocimene, and β-pinene). The seven interspecific hybrids involving pummelo as one parent show particular LEO profiles but without specific compounds, with the exception of p-cymenene which is present only in Wheeny. The diversity of peel essential oils in pummelos is lower, but variations in γ-terpinene, β-pinene, limonene, and myrcene make it possible to define seven profiles. With genetic verification the chemical and phenotypic diversity of the two species, pummelo and grapefruit, revealed in this study can be used as a reference for behavior in a specific environment. Full article
(This article belongs to the Special Issue Bio-Active Compounds in Horticultural Plants—2nd Edition)
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