Phytochemical Analysis and Specific Activities of Bark and Flower Extracts from Four Magnolia Plant Species
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Published:2024-01-31
Issue:2
Volume:10
Page:141
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ISSN:2311-7524
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Container-title:Horticulturae
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language:en
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Short-container-title:Horticulturae
Author:
Cristea Ramona Maria (Iancu)1ORCID, Sava Camelia1ORCID, Căpățână Ciprian1, Kanellou Anastasia2ORCID
Affiliation:
1. Department of Agricultural Science and Food Engineering, “Lucian Blaga“ University of Sibiu, 7-9 Dr Ion Rațiu, 550024 Sibiu, Romania 2. Department of Food Science and Technology, University of West Attica, Agiou Spyridonos 28, 12243 Athens, Greece
Abstract
This study rigorously investigates the bioactive properties and characteristics of extracts derived from the flowers and bark of four distinct Magnolia species: Magnolia champaca, Magnolia denudata, Magnolia grandiflora and Magnolia officinalis. The primary objective is to evaluate the potential application of these extracts in cosmetics and other relevant industries. We used ethanol to extract compounds from these plants and conducted various tests, including spectrophotometry, HPLC, GC-MS, and microbiological analyses. The extracts, particularly rich in polyphenols (55.18 mg GAE/g), displayed significant antioxidant capabilities, with IC 50 values ranging between 9.99 mg/mL and 23.23 mg/mL. We quantified different compounds: phenolic acids (6.259 to 27.883 mg/g dry weight), aglycone flavonoids (61.224 to 135.788 mg/g dw), glycosidic flavonoids (17.265 to 57.961 mg/g dw), and lignans (150.071 to 374.902 mg/g dw). We identified 76 volatile compounds, predominantly oxygenated monoterpenes and sesquiterpene hydrocarbons, which contribute to the antibacterial effectiveness of the extracts. These extracts showed greater inhibitory potential against Gram-negative bacteria than Gram-positive bacteria. The diverse chemical compounds and their demonstrated activities suggest these extracts could be valuable in the cosmetics industry, pharmaceutical industry, or other industries.
Funder
GREEN CONSULT COMPANY
Subject
Horticulture,Plant Science
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