Abstract Dancy tangerine trees have been imported from abroad and successfully cultivated in some newly reclaimed areas in Egypt. Reclamation areas (arid desert areas that are converted into areas suitable for agriculture) in Egypt are located in different geographical regions that differ from each other in weather conditions and soil characteristics, which may cause changes in essential oils, and

Abstract Lime essential oil (EO) is rich in different biological properties as an antiseptic and antimicrobial. Agrarian locations (ALs) in Egypt are characterized by different environmental characteristics that affect the content and composition of lime EO and thus its biological properties. Leaves, flowers, and peels of lime were collected from trees cultivated in three ALs, namely, north, central

Abstract In the present study, quantitative structure-property relationship (QSPR) models were used for modeling and predicting retention index (RI) values of chemical composition in Polygonum minus essential oil. In gas chromatography, RIs are used to convert retention times into system-independent constants. The dataset of 40 molecules was divided into training and external validation sets. A set

Abstract Dietary herbs are used for imparting flavour, aroma, and piquancy to foods. Besides their role in improving food quality, spices also have health benefits, such as anticancer, antidiabetic, antimicrobial, antioxidant, hypolipidemic, analgesic, immunostimulant, etc. Thymus vulgaris (family: Lamiaceae) is a valuable medicinal herb known for its health benefits. The essential oil from T. vulgaris

Abstract The present study analyzed the chemical composition and evaluated the in vitro cytotoxicity of essential oil extracted from Lippia origanoides on human gingival fibroblasts. The essential oil was obtained through hydrodistillation, and the volatile compounds were analyzed by gas chromatography mass spectrometry (GC/MS). The cytotoxicity was evaluated using an MTT assay. The cells were exposed

Abstract Nanotechnology has contributed to the development of new botanical formulations based on essential oils (EOs), which are safe for human health and the environment. The present study was conducted to determine the effects of Solid Lipid Nanoparticles (SLN) on the chemical and biological efficacies of Eucalyptus globulus EO (EGEO). Chemical composition was quantified by chromatography-mass spectrometry

Abstract This paper reports the chemical compounds and antimicrobial activity of essential oils isolated from the leaves, stem, and rhizomes of Alpinia kwangsiensis T. L. Wu and S. J. Chen (Zingiberaceae). The essential oils were separately isolated using hydrodistillation of the pulverized samples (2 kg each) materials in an all- glass Clevenger-type apparatus and characterized by GC-FID and GC/MS

Abstract Plumeria alba (Family: Apocynaceae), commonly known as temple tree/white frangipani is an ornamental, deciduous, tropical plant grown in landscape places, gardens, parks, and home premises for its beautiful and fragrant flowers. The different parts of white frangipani are traditionally used for the treatment of several diseases. This study was executed to identify the volatile constituents

Abstract In the present study, volatiles from different organs (leaves, roots, and spikelets) of Cymbopogon schoenanthus L. Spreng were investigated. The samples were collected from Oued Sbaa, El-Menia (Algeria) and analyzed for the first time by headspace solid-phase microextraction (HS-SPME) coupled with gas chromatography-mass spectrometry (GC-MS). In addition to this green technique, cryogenic

Abstract Citrus peels are a rich source of nutrients, essential oil, and phenolic acid compounds. As they are produced in large amounts during fruit processing, these residues can be used as a potential nutraceutical resource instead of disposal as the wastes in the environment. Regarding the beneficial uses of citrus peels, essential oil composition taken from peels of Citrus maxima and Citrus sinensis

Abstract The aim of the study was to compare the chemical composition and biological activities of Coleus barbatus aerial part essential oil (CBAEO) and Coleus barbatus root part essential oil (CBREO). The hydrodistilled essential oils (EOs) were analysed by gas chromatography-mass spectrometry (GC-MS) and biological activities were investigated in terms of antioxidant, in vitro anti-inflammatory,

Abstract Lemongrass is an aromatic crop widely utilized in aroma and pharmaceutical industries because of its pharmacologic and clinical properties. The worldwide demand for natural products has also increased and made the products’ quality, efficacy, and safety a major concern. Appropriate post-harvest management and processing techniques can maintain the quality of the produce because improper handling

Abstract Curcuma xanthorrhiza Roxb. (Zingiberaceae) is a herbaceous perennial plant valued for its use in the pharmaceutical and food industry. In spite of its multipurpose use, the chemical composition of the leaf essential oil of the species is not known till date. Thus, the current work was undertaken to study the phytochemical composition and antioxidant activity of leaf essential oil of C. xanthorrhiza

Abstract This research aimed to analyse the chemical composition, as well as the antimicrobial and antioxidative abilities of the Satureja montana L. essential oil. Essential oils were obtained from raw plant material by solvent-free microwave-assisted extraction (WSEO1) and dry plant material by microwave-assisted extraction (WSEO2) and hydrodistillation by Clevenger apparatus (WSEO3). The essential

Abstract In the present research, essential oil from Ageratina dendroides (Spreng.) R.M. King & H. Rob. and Gynoxys verrucosa Wedd. collected of Ecuador were investigated. The isolation of the essential oil was carried out by hydrodistillation and the chemical composition is determined by gas chromatography-mass spectrometry (GC-MS) and gas chromatography-flame ionization detector (GC-FID). In the

Abstract To determine the effect of growth stages on the essential oil quality for medicinal and industrial prospective, Ocimum sanctum L. was collected from three different sites of north India at the vegetative and full blooming stage. Soils collected from these sites were analyzed and the results reflected that the pH scale ranged from 6.36 to 6.76, electrical conductivity from 0.51 to 0.64 dS m−1

Abstract Pseudospondias microcarpa is a tree belonging to the Anacardiaceae family. It produces a red or blackish blue fruit when ripe. This fruit is highly appreciated by the rural population of the Congo for its sweet smell as well as its sweet and tangy taste. Essential oils from epicarp, hull, kernel, and seed obtained by hydrodistillation were analysed by capillary gas chromatography coupled to

Abstract Lavandula angustifolia is a major source of high-quality fragrance and extensively used in aromatherapy. Lavender is widely found in the Jammu and Kashmir region of India. The aim of the present study to determine chemical constituents present in the essential oil of L. angustifolia flowers by gas chromatography-mass spectrometry and to evaluate its antihyperglycemic activity via inhibition

Abstract This study was carried out to examine some of the biological activities and physicochemical properties of the Cupressus sempervirens L. essential oil (EO). C. sempervirens L. EO was isolated by hydrodistillation. GC-MS was used to identify the compounds of the EO. The results revealed that the major compounds identified in the EO showed a predominance of α-pinene (42 %), followed by δ-3-carene

Abstract The present study aims to study the chemical composition of the essential oils from needles of three pine species: Pinus halepensis Mill., P. pinaster Aiton. and P. pinea L., and the evaluation of their in vitro anti-radical and antibacterial properties. GC-MS analysis showed that the essential oils were characterized by the abundance of monoterpene hydrocarbons (61.55-86.72 %). α-pinene,

Abstract Essential oils from the leaves and stems of Tinomiscium petiolare Hook.f. & Thomson were obtained by hydrodistillation and the chemical components were determined by gas chromatography (GC) and gas chromatography coupled with mass spectrometry (GC/MS). Also, the microdilution broth assay was used to test the antimicrobial activity of essential oils. The respective yields of the T. petiolare

Abstract Variation in chemical composition and biological activity of essential oils of medicinal plants may be observed due to the developmental stage of collected plant materials. In the present study, we compared the chemical compositions and antimicrobial activity of the essential oils from the aerial part of Thymus daenensis Celak. and Thymus fedtschenkoi Ronniger at different developmental stages

Abstract Citrus peel essential oils (EOs) have various biological activities such as antioxidant, anticancer, and antimicrobial. Growth location (GL) plays a physiological role in the formation of EO. This research paper aimed to investigate peel EOs and their antimicrobial activities of nine Citrus types growing at Nile valley (NV) and Reclaimed desert (RD) in Egypt. Citrus types that are chosen in

Abstract Essential oils from the leaves of Vernonia patula (Dryand.) Merr. and Grangea maderaspatana (L.) Poir. collected from Pu Hoat Nature Reserve, Nghe An Province were studied for their chemical constituents and antimicrobial activity. The main constituents of V. patula were the sesquiterpenes namely β-caryophyllene (28.5 %), caryophyllene oxide (16.6 %), α-copaene (9.0 %), and α-humulene (7.1

Abstract Ainsliaea aptera DC, a medicinally important aromatic plant of the family Asteraceae grows wild in high altitude regions of Uttarakhand state (India). The essential oil samples obtained by steam distillation of its whole aerial parts collected from two different geographical regions were analyzed by GC and GC-MS. Total forty-five compounds from Tungnath sample and thirty-four compounds from

Abstract Today, the use of essential oils is increasing day by day, and it is considered as raw materials in many industries. Therefore, this study aims to identify the essential oil profile, antioxidant and antimicrobial activity of Rosa canina L. and Rosa pimpinellifolia L. reveal their potential use in the industry. Essential oils that were obtained in 2013-2014 from different parts (flower, leaf

Abstract Elettaria cardamomum (L.) Maton (Zingiberaceae), commonly known as green or true cardamom, is a commercially important species, the seeds of which are extensively used in the pharmaceutical, cosmetic and food industries. In spite of the increasing demand for cardamom essential oil in the international market, the chemical profiling of volatile compounds of different plant parts are not well

Abstract Essential oils (EOs) represent valuable alternatives in handling pest insects in stored grains. The main objective of this study was to evaluate the chemical composition as well as the repellent, fumigant, and oviposition inhibition activities of the rosemary (Rosmarinus officinalis) and citronella (Cymbopogon nardus) EOs against Ulomoides dermestoides. Ethyl 3-[acetyl(butyl)amino] propanoate

Abstract In this study, the composition of the essential oil of tea tree (Melaleuca alternifolia) leaves and the antifungal effects of the essential oil on food-borne molds isolated from meat products were investigated. The α-pinene (21.64 %), γ-terpinene (21.09 %), terpinen-4-ol (17.31 %), limonene (9.37 %), and o-cymene (6.54 %) were found to be the major components of M. alternifolia essential oil

Abstract The present study aims for quantitative analysis of citronella essential oil followed by its antifungal evaluation on maize fungi. GC/MS analysis of Cymbopogon nardus essential oil indicated the presence of citronellal (22.15 %), citronellol (16.34 %), and geraniol (11.16 %) as major constituents. Saponification value, acid value and moisture content were 139.15 mg/g, 2.1 mg/g and 20 %, respectively

Abstract The chemical composition, antioxidant, cytotoxicity and anti-inflammatory activities of leaf essential oil of Syzygium myrtifolium Walp. was evaluated in the present study. A total of 43 constituents representing 96.99 % of the total essential oil were identified by GC/MS analysis. The leaf essential oil was mainly characterized by sesquiterpene incorporate alcohols (34.99 %) with δ-cadinol

Abstract In the current study, the chemical constituents of leaf essential oil from Cananga odorata (Lam.) Hook. F. & Thomson were identified by GC/MS analysis. A total of 25 components (91.1 %) in the essential oil were identified. The major compounds present in the oil were trans-caryophyllene (19.7 %), ocimene (13.2 %), E, E-α-farnesene (10.3 %), phenylmethyl ester (5.6 %), farnesyl acetone (5.1

Abstract The present study aimed to investigate the changes in the essential oil contents of some Origanum hybrids grown at different carbon dioxide (400 and 800 ppm) levels in a fully automated carbon dioxide greenhouse. The chemical composition of essential oils was analyzed gas chromatography/ mass spectrometry (GC/MS). It was found that, among the Origanum hybrids, there were differences between

Abstract Several species of Cryptocarya (Lauraceae) are traditionally used in folk medicines for the treatment of various diseases and disorders in tropical and subtropical countries. The essential oil extracted from the leaves and barks of Cryptocarya species are reported to possess antimicrobial, insecticidal, antioxidant, and antitumoral activities. However, there are no scientific reports on the

Abstract In this study, the chemical composition, antioxidant, antimicrobial, and insecticidal activities of essential oil (EO) from Lavandula dentata (L. dentata) flowering tops collected from northern Tunisia were assessed. Forty-three compounds were identified. β-eudesmol (21.178 %), myrtenol (13.023 %), and sabinol (11.021 %) were the main compounds. The antibacterial potential was evaluated against

Abstract Alpinia galanga is commonly known as ‘greater galangal’ is extensively present across India and Southeast Asia. The essential oil of this zingiberaceae species has high demand in the global market as it has a practice in flavoring food throughout Southeast Asia. The essential oil is also used in spa and perfumery. Rhizome essential oil of A. galanga (AGEO) possesses the myriad therapeutic

Abstract The main objective of this study is to highlight the dietary risk of the prevalence of blaESBL producing multidrug-resistant Enterobacteriaceae in raw milk, besides evaluating the effect of Artemesia herba-alba and Thymus algeriensis essential oils against blaESBL producing Enterobacteriaceae isolates from raw milk. Isolation and molecular identification of ESBL producing Enterobacteriaceae

Abstract The essential oil (EO) separated from leaves of Blumea balsamifera (L.) DC is extensively applied as conventional medicine by the Miao, Zhuang, and Li nationalities in China to drive skin healing of trauma or burn. Recently, a lot of evidence has proved that EO possesses anti-inflammatory activity. Nevertheless, the underlying molecular mechanisms are still unknown. This research aims to examine

Abstract Origanum vulgare L. is an important aromatic medicinal plant, which has many medicinal properties and is used in the cosmetics and pharmaceutical industries. This study aims to evaluate the chemical composition and anti-microbial activities of essential oil extracted from aerial parts of a wild-growing O. vulgare L. The plant has been collected from the North-Western Himalayas region (Himachal

Abstract The aerial parts of Artemisia judaica L. (A. judaica) and Artemisia monosperma (Delile) (A. monosperma) were collected from wild plant populations located in the eastern desert of Egypt. The essential oils (EOs) of both aerial parts were isolated by hydro-distillation (HD) and analyzed by GC/MS. The EO yields of A. judaica and A. monosperma were 6.0 and 4.0 ml/500 g herb, respectively. Piperitone

Abstract Mentha arvensis L. is one of the highly valued aromatic plants due to its essential oil which finds wide application in food, flavour and pharmaceutical industries. A polyhouse study was conducted to determine the effect of copper on the essential oil composition of M. arvensis L. The amendments of copper were 270, 500, 700 and 900 mg kg−1 in triplicate along with an unamended control. After

Abstract The herb, Elettariopsis triloba (Gagnep.) Loes. (syn. Amomum trilobum Gagnep. or Elettariopsis trilobum (Gagnep.), has been used ethnomedically for the treatment of rabies, inflammation and amelioration of microbial infections. We report herein the chemical constituents and antimicrobial activity of the rhizome essential oil of E. triloba from north-central Vietnam. The technique of gas chromatography

Abstract Salvia leriifolia is an endemic to Iran belongs to Lamiaceae. This plant has numerous valuable properties, including analgesics, anti-inflammatories, sedatives, antioxidants and has significant applications in the medical, pharmaceutical and food industries. The purpose of this study was to evaluate the chemical composition and antioxidant activity of essential oils roots S. leriifolia collected

Abstract This work aimed to isolate the essential oil from the nutmeg (Myristica fragrans Houtt.) seed, to determine the qualitative and quantitative chemical composition of the obtained essential oil, as well as to examine its antioxidant and antimicrobial activity. The essential oil was obtained by Clevenger-type hydrodistillation from the disintegrated nutmeg seed (hydromodulus 1:15 m/V, extraction

Abstract The Schinus molle species produces high yields of volatile oils that can be obtained from leaves and fruits. It has been reported that S. molle oils have a variable chemical composition and biological activities, besides, they can be a source of bioactive compounds. In this work, studies were performed on the influence of extraction methods (hydrodistillation, steam distillation and fractional

Abstract Mentha suaveolens Ehrh is a plant that belongs to the lamiaceae family. It is widely used in traditional medicine because of its various therapeutic properties. The main objective of this study is to identify the chemical composition of the essential oil (EO) of M. suaveolens Ehrh, and to assess its antioxidant and antimicrobial activities. The EO of the aerial parts of M.suaveolens Ehrh,

Abstract The present study aims to determine the chemical composition of Pistaca atlantica Desf. collected in the Khenifra region (Morocco). Compounds chemicals of the essential oil were analyzed by gas chromatography/mass spectrometry (GC/MS). 2,2-diphenyl-1-picrylhydrazyl (DPPH) and ferric reducing assay power (FRAP) methods were used to evaluate antioxidant activity. Antibacterial activity of the

Abstract In the present research, the essential oil of Sarcorhachis sydowii Trel was analyzed. The chemical composition was performed by GC/MS and GC/FID techniques. A total of 42 chemical compounds were identified which represent 98.53 % of the essential oil composition. The main compounds were (E)-caryophyllene (25.07 %). α-humulene (10.48 %), α-selinene (7.58 %), β-selinene (6.08 %) and α-phellandrene

Abstract The present investigation deals with the genetic divergence, correlation, and path coefficient study for the six characters among sixty-two accessions of Ammi visnaga L. grown during two consecutive years, 2018-2019 and 2019-2020, in India. Morphological variability was detected for stem and umbel color from center reddish to pink during vegetative growth. In this study, high genetic co-variance

Abstract The orange tree (Citrus sinensis) is a species of fruit shrubs of the Rutaceae family. Essential oils from citrus peels are widely used in various agro-food and pharmaceutical preparations and hence they must be recovered using green extraction methods. In this study, we compare the efficiency of five extraction techniques (conventional hydro-distillation (HD), Salt-assisted extraction by

Abstract The study aimed to investigate the potency of Leptospermum petersonii, Eucalyptus citriodora, Pelargonium graveolens, and Pelargonium roseum essential oils (EOs) against Streptococcus sanguinis and Streptococcus salivarius dental isolates. To examine the variation in sensitivity among strains of different origin, isolates from symptomatic and asymptomatic root canal infections, as well as

Abstract This study aimed to determine the volatile oil composition of the fresh leaves of dill, celery, coriander, and fennel, grown in Jordan, and to evaluate the antimicrobial activity of the essential oils individually and in binary (50:50) and quaternary (25:25:25:25) mixtures. The volatile oils, obtained by hydrodistillation, were analysed by gas chromatography (GC) and gas chromatography-mass

Abstract Essential oils (EOs) from three species of the Lamiaceae family growing in several areas in Morocco, were evaluated for their acaricidal properties against the oriental red mite, Eutetranychus orientalis (Klein) (Acari: Tetranychidae). In this study, different concentrations of thyme oils including Thymus satureioides Coss., T. maroccanus Ball. and T. atlanticus Ball. EOs were used to assess

Abstract Cymbopogon martinii belonging to the family Poaceae is an important medicinal plant. C. martinii possessed specific rose fragrance showed the presence of rich aromatic substances. For present investigations, plant materials were collected from the Udaipur region, Rajasthan, India. The volatile oil was obtained through the hydrodistillation method using Clevenger’s apparatus. Due to the potential

Abstract Synthetic insecticides, a traditional tool to avoid the reduction of stored-product due to insects, have emerged a serious of hazards to the environment for years, therefore, botanicals have entered people’s vision. This work aimed to present the essential oil composition of Melaleuca bracteata, and the contact as well as repellent activities against three stored-product insects, i.e. Lasioderma

Abstract Mentha arvensis, commonly named menthol mint or Japanese mint, is an important volatile oil- bearing plant having high amounts of natural menthol. M. arvensis volatile oil (VO) and menthol have a considerable share in the global trade of medicinal plants for widespread use in the pharmaceutical, food, cosmetic, and fragrance industries. This study was conducted to investigate the response

Abstract Artemisia scoparia Waldst. et Kit. is a member of the Asteraceae family that spread widely throughout the world, especially, in Southwest Asia and Central Europe. Terpenoids are members of interesting components in this plant. The current study was carried out to evaluate the morphological, agronomical, and phytochemical traits of A. scoparia in different plant densities. The essential oil

Abstract Synthetic insecticides, a traditional tool to avoid the reduction of stored-product due to insects, have emerged a serious of hazards to the environment for years, therefore, botanicals have entered people’s vision. This work aimed to present the essential oil composition of Melaleuca bracteata, and the contact as well as repellent activities against three stored-product insects, i.e. Lasioderma

Abstract The aerial parts of Artemisia judaica L. (A. judaica) and Artemisia monosperma (Delile) (A. monosperma) were collected from wild plant populations located in the eastern desert of Egypt. The essential oils (EOs) of both aerial parts were isolated by hydro-distillation (HD) and analyzed by GC/MS. The EO yields of A. judaica and A. monosperma were 6.0 and 4.0 ml/500 g herb, respectively. Piperitone

Abstract The orange tree (Citrus sinensis) is a species of fruit shrubs of the Rutaceae family. Essential oils from citrus peels are widely used in various agro-food and pharmaceutical preparations and hence they must be recovered using green extraction methods. In this study, we compare the efficiency of five extraction techniques (conventional hydro-distillation (HD), Salt-assisted extraction by