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Publications (19)
The main ingredient in the daily salad dish is the leaves of Lactuca sativa, while the stems are usually discarded and not eaten. This study was conducted to compare the stems and leaves of two selected L. sativa varieties (L. sativa var. longifolia L. and L. sativa var. capitata L.) related to the preliminary phytochemical investigation, nutrient...
Over the years, there has been an escalating interest in the use of herbal medicine worldwide. The use of traditional medicine has provided valuable formulas on the selection, preparation and application of herbal remedies. In this study, the effects of ginger, frankincense, and black seed methanolic extracts, on hippocampal synaptic transmission,...
The stems of Lactuca sativa L. are usually not popular as the leaves in preparing the salads and therefore thrown away. The work is intended to compare the phytoconstituents of the leaves and stems extracts. Gas chromatography-mass spectrometry (GC-MS) is applied for the petroleum ether extracts of the leaf and the stem of the selected varieties (L...
Composition of the essential oils hydrodistilled separately from fruits and leaves of Solanum nigrum L. (Solanaceae) grown in Libya was studied for the first time and analyzed by GC and GC-MS. Oil yields were <0.1 % (w/w) from the dried material of both plant parts. About 64 components were successfully separated from both oils, but the composition...
Recent studies have shown that many types of mushrooms may have important physiological functions in humans including antioxidant activities, regulation of blood lipid level and blood glucose level. The present study was designed to investigate the antihyperglycemic effect of ethanolic Terfezia boudieri Chatin (TBC) extract on streptozotocin (STZ)...
Color is the main feature of any food item as it enhances the appeal and acceptability of food. Currently, there is increasing awareness among people towards natural dyes and dye yielding plants due to severe health problems. Beet scientifically known as Beta vulgaris belongs to Chenopodiaceae family and locally known in Libyan markets as "Banjer"....
Retama raetam (Forssk.) Webb & Berthel. (Fabaceae), commonly known as 'raetam' or 'broom bush', is a desert shrub that grows abundantly in North-African countries, Palestine and Syria. Traditionally, this plant has been used as an abortifacient, a purgative and a vermifuge. In the present study, the effect of the methanol (MeOH) extract of the aeri...
Ferula hermonis (Apiaceae) is a well known Middle-Eastern medicinal plant. It has long been used traditionally as an aphrodisiac agent. The antinociceptive and anti-inflammatory activities of the root oil of F. hermonis were evaluated by the hot-plate test, the acetic acid-induced writhing test and the carragennan-induced rat paw edema test. In the...
Ferula hermonis Boiss. (Apiaceae), commonly known as 'Shilsh-el-zallouh', 'Hashishat-al-kattira' or 'The Lebanese viagra', is a small shrub that grows abundantly on the Hermon Mountain between Syria and Lebanon. The seeds and roots of this plant have long been used in the Middle East as an aphrodisiac, and for the treatment of frigidity and impoten...
Ferula hermonis Boiss (Apiaceae) is known in the Midleast as 'zallouh'. In the last decade, scientists paid attention to study chemistry and biological activity of the plant. In this study Ferula hermonis were collected and evaluated for cytotoxic activity. The plant was extracted using different polarity solvents: petroleum ether, ethyl acetate an...
Seventeen daucane esters have been isolated from the seeds of Ferula hermonis Boiss (Apiaceae). Three of these sesquiterpenes, 4beta-hydroxy-6alpha-benzoyl-7-daucen-9-one (1), 4beta, 8beta-dihydroxy-6alpha-benzoyl-dauc-9-ene (2), and 4beta, 9alpha-dihydroxy-6alpha-benzoyl-dauc-7-ene (4), named feruhermonins A-C, respectively, are novel natural prod...
Three new sesquiterpenes, 6-hydroxy-7-(1-methylethyl)-3,3a,6,7,8,8a- hexahydroazulene-1,4-dicarboxylic acid methyl ester (1, named viscozulenic acid methyl ester), 7-(1-methylethyl)-3,3a,6,7,8,8a-hexahydroazulene-1,4-dicarboxylic acid 1-methyl ester (2, named viscoazucinic acid) and 3-oxo-1-epi-sclerosporin (3, named polygosumic acid), have been is...
From the aerial pads of Bosistoa selwynii (Rutaceae) four novel prenylated acetophenones were isolated and identified as pyranoselwynone (5-hydroxy-6-acetyl-(6,6-dimethyl-5ξ-hydroxy-4,5-dihydropyrano}-[3,2-h]-2,2- 2-dimethylbenzopyran), selwynone (5,7-dihydroxy-6-acetyl-8- (3-methylbut-2-enyl)-3,4-dihydro-2,2-dimethyl-3ξ-hydroxypyran), furanoselwyn...
Leaves from four collections of Bosistoa pentacocca, two of the variety connaricarpa and one each of the type variety and var. dryanderensis, have been examined. In each, the major metabolite isolated was characterized as 2-(3,7-dimethyloct-2.5-dienyl)-6-(3-methylbut-2-enyl)phloroglucinol-1-acetate (trivial name pentacoccol). Four other pentacoccol...
Eight acridone alkaloids were isolated from Bosistoa transversa. Three of them are novel and have been identified as 1,3,5-trihydroxy-2-(2ξ-hydroxy-3-rnethylbut-3-enyl)-10-methylacridan-9-one (trivial name, bosistidine), 1,3,5-trihydroxy-2-(2ξ-hydroxy-3-methylbut-3-enyl)-4-(3-methylbut-2-enyl)-10- methylacridan-9-one (bosistine) and 1,3,5-trihydrox...
A novel xanthine alkaloid and two known flavonoids have been isolated from the leaves of Bosistoa floydii and identified as 1,3-di(3-methylbut-2-enyl)-7-methylxanthine, 5,4′-dihydroxy-3,7,3′-trimethoxyflavone and 5-hydroxy-3,3′,4′,5′,7-pentamethoxyflavone.
