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You searched for: Subject quercetin Remove constraint Subject: quercetin Subject term Juniperus phoenicea Remove constraint Subject term: Juniperus phoenicea
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1. LC-MS–MS and GC-MS analyses of biologically active extracts and fractions from Tunisian Juniperus phoenice leaves

Author:
Henda Keskes; Sahla Belhadj; Lobna Jlail; Abdelfattah El Feki; Mohamed Damak; Sami Sayadi; Noureddine Allouche
Source:
Pharmaceutical biology 2017 v.55 no.1 pp. 88-95
ISSN:
1744-5116
Subject:
2,2-diphenyl-1-picrylhydrazyl; Juniperus phoenicea; alpha-amylase; antioxidant activity; butylated hydroxytoluene; chemical composition; dimethyl sulfoxide; enzyme inhibition; gas chromatography-mass spectrometry; hexane; high performance liquid chromatography; in vitro studies; inhibitory concentration 50; leaves; methanol; nuclear magnetic resonance spectroscopy; quercetin; tandem mass spectrometry; volatile compounds; Northern Africa
Abstract:
... Context: Despite some studies related to Juniperus phoenicea L. (Cupressaceae), phytochemical and biological investigations of this plant remain unexplored. Objective: This work is the first report dealing with the identification and characterization of volatile components and flavonoids in hexane and methanol extracts from J. phoenicea leaves Materials and methods: Antioxidant activity of hexane, ...
DOI:
10.1080/13880209.2016.1230139
PubMed:
27925471
PubMed Central:
PMC7011873

2. Chemical Composition and Antioxidant Activity of Algerian Juniperus phoenicea L. Extracts

Author:
Fouad Menaceur; Ahmed Benchabane; Mohamed Hazzit; Aoumeur Baaliouamer
Source:
Journal of Biologically Active Products from Nature 2013 v.3 no.1 pp. 87-96
ISSN:
2231-1874
Subject:
2,2-diphenyl-1-picrylhydrazyl; Juniperus phoenicea; alpha-pinene; antioxidant activity; antioxidants; butylated hydroxytoluene; chemical composition; essential oils; ethanol; gallic acid; gas chromatography-mass spectrometry; hydrodistillation; leaves; microwave treatment; quercetin; small fruits; solvents
Abstract:
... Essential oils of Algerian Juniperus phoenicea L. obtained from leaves and berries by hydrodistillation (HD) and from berries by Solvent Free Microwave Assisted Extraction (SFMAE) were investigated using both capillary GC and GC-MS techniques. The monoterpene hydrocarbons constituted the most prominent group of constituents (43.2-86.5 %) in the three essential oils with α-pinene (34.4-80.8 %) as t ...
DOI:
10.1080/22311866.2013.782754