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Biological Activity of Plant Compounds and Extract, 3rd Edition

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Natural Products Chemistry".

Deadline for manuscript submissions: 30 November 2024 | Viewed by 1667

Special Issue Editors


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Guest Editor
Department of Agricultural, Environmental and Food Sciences, University of Molise, 86100 Campobasso, Italy
Interests: polyphenols; plant antioxidants; ROS; bioenergetics; lactate metabolism; mitochondrial transport; mitochondrial shuttles; cell redox balance; sperm energy metabolism, microbial metabolism
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Agricultural, Environmental and Food Sciences, University of Molise, via de Sanctis, 86100 Campobasso, Italy
Interests: semiochemicals; insect-plant and insect-plant-parasitoid interactions; essential oil; extraction purification and identification of active compounds; insect behavioural and electrophysiological assays; insect rearing; pest control
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Agricultural Sciences, Food, Natural Resources and Engineering (DAFNE), University of Foggia, Foggia, Italy
Interests: chemical ecology; insect pheromones; allelochemicals; extraction methods; electrophysiology; chemical analysis (GC-EAD, GC-MS-EAD); behavioral bioassays; insect–plant interactions; essential oil and plant extracts; stored-product insect pests; agricultural and forest pests; insect monitoring; mating disruption; attract and kill; mass trapping; integrated pest management; invasive alien species
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The use of plants for their beneficial effects dates back to the first steps in human history, as shown by the Ebers Papyrus (1500 BC). Thus, the identification and classification of plant extracts and their compounds showing biological activity has attracted a huge number of ancient and modern researchers. However, after centuries of active research in this field and in spite of the remarkable recent advances in chemical synthesis, plants remain the most powerful and somewhat under-investigated source of bioactive molecules. In addition, in recent decades, the search for novel and more ecofriendly compounds has been strictly emphasised, thus further increasing the interest in plant metabolites. This is particularly true in some fields, such as pest control, in which botanical pesticides represent a valuable alternative to traditional chemicals since their use reduces the risk to non-target organisms and the probability of developing pest resistance.

The aim of this Special Issue is to collect original research articles, as well as review articles, addressing recent advances in the extraction, purification, identification, and biochemical characterization of bioactive plant compounds. The in vitro and in vivo biological activities shown by plant extracts will be also considered. Besides the discovery of new potential drugs and healthy compounds, special interest will also be given to papers dealing with non-medical purposes. In this regard, studies on the use of plant extracts/compounds in pest management and food preservation are strongly encouraged.

Prof. Dr. Gianluca Paventi
Prof. Dr. Giuseppe Rotundo
Prof. Dr. Giacinto S. Germinara
Guest Editors

Manuscript Submission Information

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Keywords

  •  antimicrobial activity
  •  antiproliferative activity
  •  anti-insect activity
  •  insect repellence and attraction
  •  enzyme inhibition
  •  food deterrence
  •  contact, ingestion, and inhalation toxicity
  •  cytotoxicity
  •  chemical identification of plant compounds
  •  insect nutritional parameters
  •  plant antioxidants
  •  electroantennography
  •  behavioural assays
  •  pest control
  •  food storage

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Published Papers (1 paper)

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Research

23 pages, 3158 KiB  
Article
Implications of the Propagation Method for the Phytochemistry of Nepeta cataria L. throughout a Growing Season
by Erik Nunes Gomes, Bo Yuan, Harna K. Patel, Anthony Lockhart, Christian A. Wyenandt, Qingli Wu and James E. Simon
Molecules 2024, 29(9), 2001; https://doi.org/10.3390/molecules29092001 - 26 Apr 2024
Viewed by 1209
Abstract
Catnip (Nepeta cataria L.) plants produce a wide array of specialized metabolites with multiple applications for human health. The productivity of such metabolites, including nepetalactones, and natural insect repellents is influenced by the conditions under which the plants are cultivated. In this [...] Read more.
Catnip (Nepeta cataria L.) plants produce a wide array of specialized metabolites with multiple applications for human health. The productivity of such metabolites, including nepetalactones, and natural insect repellents is influenced by the conditions under which the plants are cultivated. In this study, we assessed how field-grown catnip plants, transplanted after being propagated via either single-node stem cuttings or seeds, varied regarding their phytochemical composition throughout a growing season in two distinct environmental conditions (Pittstown and Upper Deerfield) in the state of New Jersey, United States. Iridoid terpenes were quantified in plant tissues via ultra-high-performance liquid chromatography with triple quadrupole mass spectrometry (UHPLC-QqQ-MS), and phenolic compounds (phenolic acids and flavonoids) were analyzed via UHPLC with diode-array detection (UHPLC-DAD). The highest contents of total nepetalactones in Pittstown were found at 6 weeks after transplanting (WAT) for both seedlings and cuttings (1305.4 and 1223.3 mg/100 g, respectively), while in Upper Deerfield, the highest contents for both propagules were at 11 WAT (1247.7 and 997.1 mg/100 g, respectively) for seed-propagated and stem cuttings). The highest concentration of nepetalactones was associated with floral-bud to partial-flowering stages. Because plants in Pittstown accumulated considerably more biomass than plants grown in Upper Deerfield, the difference in nepetalactone production per plant was striking, with peak productivity reaching only 598.9 mg per plant in Upper Deerfield and 1833.1 mg per plant in Pittstown. Phenolic acids accumulated in higher contents towards the end of the season in both locations, after a period of low precipitation, and flavone glycosides had similar accumulation patterns to nepetalactones. In both locations, rooted stem cuttings reached their maximum nepetalactone productivity, on average, four weeks later than seed-propagated plants, suggesting that seedlings have, overall, better agronomic performance. Full article
(This article belongs to the Special Issue Biological Activity of Plant Compounds and Extract, 3rd Edition)
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