Chemical profile of Juniperus excelsa M. Bieb. essential oil within and between populations and its weed seed suppression effect.

The aims of this study were to (1) establish the intrapopulation and seasonal variation of Juniperus excelsа essential oil (EO); (2) compare the J. excelsa concrete and resinoid composition with its EO composition; and (3) investigate the potential herbicidal activity of J. excelsa EO against seeds of Papaver rhoeas L.

Phytochemical and biological investigations on Centranthus kellereri (Stoj., Stef. & T. Georgiev) Stoj. & Stef. and C. ruber (L.) DC. and their potential as new medicinal and ornamental plants.

Introduction: Centranthus kellereri is a Bulgarian endemic plant species, found only in two locations in the world: The Balkans Mountains (Stara Planina), above the town of Vratsa, and The Pirin Mountains, above the town of Bansko, Bulgaria. Being endemic and endangered species precluded any significant research on it. The hypothesis of this study was that the populations of C.

Physical, chemical, sorption and microbiological characteristics of fennel fruits.

Fennel ( Mill. var. Mill) is an annual aromatic plant of the Lamiaceae family.

Chemical Composition of Essential Oils from Grossh. and L. Cultivated in Bulgaria and Their Antimicrobial and Antioxidant Activity.

The genus , belonging to the family Lamiaceae, includes about 300 species, most of which are used in folk medicine due to their pronounced biological properties. The aim of the present study was to evaluate the agrobiological characteristics of () Grossh. and () L.

Essential Oil Composition of Seven Bulgarian Species and Its Potential as a Biopesticide.

species and especially L. are well known for their therapeutic applications. The present study assessed the essential oil (EO) composition, and antifungal and aphid suppression activity of seven Bulgarian species.

Chemical Composition Assessment of Structural Parts (Seeds, Peel, Pulp) of L. Fruits.

In recent years there has been an extensive search for nature-based products with functional potential. All structural parts of (bladder cherry), including fruits, pulp, and less-explored parts, such as seeds and peel, can be considered sources of functional macro- and micronutrients, bioactive compounds, such as vitamins, minerals, polyphenols, and polyunsaturated fatty acids, and dietetic fiber. The chemical composition of all fruit structural parts (seeds, peel, and pulp) of two phenotypes of were studied.

Chemical Composition and Antimicrobial Activity of Essential Oil of Fruits from L., Growing in Two Regions in Bulgaria.

The chemical composition of L. ( family) fruits, collected from two regions in Bulgaria (south-central and north-east Bulgaria), was investigated. The content of proteins (5.

Chemical Composition of Arn. Unripe Seeds from Bulgaria.

The present paper aims to investigate the chemical composition of unripe black pine seeds obtained from Bulgaria. The lipid fraction was evaluated in unripe seeds, and the cellulose, total carbohydrates, glucose, fructose, and sucrose were evaluated in seedcakes. The major fatty acid identified in the seed oil was unsaturated linoleic acid (44.

Phytochemical Investigation and Reproductive Capacity of the Bulgarian Endemic Plant Species Boiss. (Lamiaceae).

Boiss (Lamiaceae) is a Bulgarian endemic species. Overall, the essential oil (EO) composition of was different from that of the other species reported in the literature. The main EO constituents of were ()-caryophyllene, germacrene D, and caryophyllene oxide.

Chemical Compounds, Antitumor and Antimicrobial Activities of Dry Ethanol Extracts from Laxm.

Laxm. is used in traditional medicine and has various established biological activities, however, the species is considered to be a potentially invasive alien tree species for Bulgarian flora. However, there is still much to be studied about the phytochemical and biological characteristics of the species.

Essential Oil Composition and Bioactivity of Two Juniper Species from Bulgaria and Slovakia.

M. Bieb and L. contain essential oil (EO), while also contains podophyllotoxin, which is used as a precursor for anti-cancer drugs.

Comparative study on the chemical composition of laurel ( L.) leaves from Greece and Georgia and the antibacterial activity of their essential oil.

Laurel ( L.) is a plant species from Lauraceae family, and is native to the Mediterranean region. The goal of this study was to compare chemical composition of laurel leaves and antibacterial activity of its essential oil (EO) from wild-grown trees in Greece and Georgia.

Comparative Study on the Phytochemical Composition and Antioxidant Activity of Grecian Juniper ( M. Bieb) Unripe and Ripe Galbuli.

Grecian juniper ( M. Bieb.) is an evergreen tree and a rare plant found in very few locations in southern Bulgaria.

Evaluation of chemical composition, antioxidant potential and functional properties of carob ( L.) seeds.

The interest in carob pod as an ingredient of functional foods is constantly increasing due to its beneficial health effect and functional properties. The aim of this study was to evaluate the chemical composition and antioxidant potential of carob seeds, as well as the functional properties of its isolated galactomannan fraction. The lipid, protein, carbohydrate and phenolic composition were analysed.

GC-MS Composition and Olfactory Profile of Concretes from the Flowers of Four Species.

The genus (Solanaceae) includes over 70 species, with a long history of traditional use; many of them are nowadays used in bioengineering, biosynthesis, molecular biology, and other studies, while common tobacco, L., is one of the most economically important industrial crops worldwide. Although species have been extensively investigated, relatively less research has focused on flowers, especially research related to obtaining aromatic products for cosmetic and perfumery use.

Terpenoids in the Essential Oil and Concentrated Aromatic Products Obtained from L. Leaves.

L. is a relatively less studied species (Solanaceae), although there are data about its importance as a model plant in viral control studies, as a gene donor in tobacco hybridization and as a source of agents with insecticidal or fungicidal effects. The biological activities of the species were associated mostly with the presence of leaf surface metabolites, in particular diterpenes and sucrose esters.

Carotenoid-Related Volatile Compounds of Tobacco ( L.) Essential Oils.

Tobacco ( L.) aroma is an important attribute of tobacco quality and is influenced by a variety of minor chemical components, including carotenoid degradation products. The objectives of this work were to determine the content of the most important fragrance-shaping carotenoid degradation products in the essential oils (EOs) of the three types of Bulgarian tobacco-Oriental (OR), flue-cured Virginia (FCV), and Burley (BU)-and to compare them with other aromatic products from tobacco.

Chemical Composition and Antimicrobial Activity of L. Essential Oils from Bulgaria.

Laurel, L. is an evergreen plant belonging to the Lauraceae family, native to Southern Europe and the Mediterranean area. This is the first report on the composition and bioactivity of laurel essential oil (EO) from Bulgaria.

Chemical composition and biological effects of Artemisia maritima and Artemisia nilagirica essential oils from wild plants of western Himalaya.

Artemisia species possess pharmacological properties that are used for medical purposes worldwide. In this paper, the essential oils from the aerial parts of Artemisia nilagirica and Artemisia maritima from the western Indian Himalaya region are described. The main compounds analyzed by simultaneous GC/MS and GC/FID were camphor and 1,8-cineole from A.

Chemical composition, olfactory analysis and antibacterial activity of Thymus vulgaris chemotypes geraniol, 4-thujanol/terpinen-4-ol, thymol and linalool cultivated in southern France.

The essential oils of four chemotypes of Thymus vulgaris L. (Lamiaceae) were analyzed for their composition and antibacterial activity to assess their different properties. GC-MS and GC-FID analyses revealed that the essentials oils can be classified into the chemotypes thymol (41.

Antimicrobial activities of single aroma compounds.

Commercially available aroma samples were evaluated for their olfactory quality by professional perfumers and tested for their antimicrobial activity. Agar diffusion and agar-dilution were used as test methods and a set of two Gram-positive (Staphylococcus aureus and Enterococcus faecalis) and four Gram-negative bacterial strains (Escherichia coli, Pseudomonas aeruginosa, Proteus vulgaris G, Klebsiella pneumoniae and Salmonella abony) and a yeast, Candida albicans, were the test microorganisms. All the investigated compounds were active against Gram-positive bacteria, especially beta-caryophyllene against Enterococcus faecalis (MIC 6 ppm), but only few substances showed activity towards Gram-negative bacteria, except for cinnamic acid, which was active against all (MIC 60 ppm) and Candida albicans, against which cinnamic acid and caryophyllene oxide showed high activity (MIC < 60 ppm).

Chemical composition and antibacterial activity of selected essential oils and some of their main compounds.

The chemical composition of essential oils of cabreuva (Myrocarpus fastigiatus Allemao, Fabaceae) from Brazil, cedarwood (Juniperus ashei, Cupressaceae) from Texas, Juniper berries (Juniperus communis L., Cupressaceae) and myrrh (Commiphora myrrha (Nees) Engl., Burseraceae) were analyzed using GC/FID and GC/MS.

Chemical composition and antimicrobial activity of cumin oil (Cuminum cyminum, Apiaceae).

Cumin oil samples (Cuminum cyminum L.) from four different geographical origins were analyzed using GC-MS and GC-FID for their qualitative and quantitative composition. The major compounds in all cumin oils were the monoterpenes beta-pinene, p-cymene and gamma-terpinene and the terpenoid aldehydes cuminic aldehyde and the isomeric menthadien carboxaldehydes.

Chemical composition, olfactory evaluation and antimicrobial activity of selected essential oils and absolutes from Morocco.

The chemical compositions of selected essential oils from North Africa, especially Morocco, of geranium, wild Moroccan chamomile and rosemary as well as absolutes of rose and geranium were determined using GC/FID and GC/MS. These oils and absolutes were tested concerning their antimicrobial activity against some food spoilage strains obtained from fresh milk and minced meat products, like sausages and pork fillet, in accordance with ISO testing procedures. Gram-positive (Bacillus cereus and Staphylococcus aureus) and Gram-negative (Escherichia coli, Salmonella abony and Pseudomonas aeruginosa) strains were used, as well as the yeast Candida albicans.

Chemical composition, olfactory evaluation and antioxidant effects of essential oil from Mentha x piperita.

The chemical composition of the essential oil from peppermint (Mentha x piperita L.) was analyzed by GC/FID and GC-MS. The main constituents were menthol (40.