omerelsheikh

omerelsheikh

مدرس - عضو هيئة تدريس

كلية العلوم

العنوان: Sohag

1

إعجاب

المنشورات و المؤلفات التي تحتوي علي الكلمة المفتاحية: essential oils


2018-10-01 08:40:38 الكلمات المفتاحية Aromatic plants, Methyl eugenol, Sweet Basil, essential oils,
Chemical structure of Natural Products Characterization of Secretory Tissue of Sweet Basil (Ocimum basilicum L ) Under Lead Stress
The present study was done to test the effect of Pb treatments on secretory tissue and the chemical structure of the essential oils of basil (Ocimumbasilicum L.). Lead treatments were as follow: 100, 250, 500 and 7500 ppm in addition to control. The experiment was done on Ocimumbasilicum L. in a greenhouse, arranged as a randomized complete block design with ... إقراء المزيد

2018-10-22 15:13:04 الكلمات المفتاحية essential oils, Sweet Basil, Methyl eugenol, Lead, Aromatic plants;, Phytotoxin,
Chemical Structure of Natural Products and Characterization  of Secretory Tissue of Sweet Basil (Ocimumbasilicum L.)Under  Lead Stress
Abstract: The present study was done to test the effect of Pb treatments on secretory tissue and the chemical structure of the essential oils of basil (Ocimumbasilicum L.). Lead treatments were as follow: 100, 250, 500 and 7500 ppm in addition to control. The experiment was done on Ocimumbasilicum L. in a greenhouse, arranged as a randomized complete block design ... إقراء المزيد

2018-10-18 09:12:47 الكلمات المفتاحية Antioxidant activity, essential oils,
Screening of antioxidant activity of some essential oils
ABSTRACT: The essential oils that possess antioxidant activity have been the subject of many investigations resulting in the screening of many medical plants and have revealed structurally unique biologically active compounds. An antioxidant is a substance that retard oxidation by inhibiting initial free radical formation or by preventing them from producing more free radicals which can perpetuate the reaction. The ... إقراء المزيد

2018-10-16 20:06:10 الكلمات المفتاحية Antibacterial activity essenti, Antibacterial activity, essential oils,
Antibacterial activity of some spices and herbs essential oils
Essential oils have been used for centuries ago in traditional medicine, for industrial applications and as food preservatives due to their antimicrobial activity. The antibacterial activity of essential oil of cumin, black seedss, marjoram, rosemary and sage were tested against Gram-negative bacteria (_Escherichia coli O157 :H7__,__ Klebsiella pneumonia, __Proteus vulgaris, __Pseudomonas aeruginosa, Salmonella typh__i _and_ Serratia marcescens_) and Gram-positive bacteria ... إقراء المزيد

2018-10-14 22:37:12 الكلمات المفتاحية essential oils, Sweet Basil, Methyl eugenol, Lead, Aromatic plants;, Phytotoxin,
Chemical Structure of Natural Products and Characterization  of Secretory Tissue of Sweet Basil (Ocimumbasilicum L.)Under  Lead Stress
Abstract: The present study was done to test the effect of Pb treatments on secretory tissue and the chemical structure of the essential oils of basil (Ocimumbasilicum L.). Lead treatments were as follow: 100, 250, 500 and 7500 ppm in addition to control. The experiment was done on Ocimumbasilicum L. in a greenhouse, arranged as a randomized complete block design ... إقراء المزيد

2018-10-08 23:13:48 الكلمات المفتاحية Postharvest, Green Mold of Orange, essential oils,
Efficacy of Some Essential Oils on Controlling Green Mold of Orange and their Effects on Postharvest Quality Parameters
The effect of lime, thyme, comphore oils against _Penicillium digitatum_, the causes of green mould disease of orange fruits, was evaluated for their inhibitory effect _In vitro_ and _In vivo_ during storage conditions. _In vitro_ experiments, different concentration of each essential oil at 1, 5 and 10% (v/v) was tested on the growth of _P. digitatum_. The best concentration at ... إقراء المزيد

2018-09-29 18:45:04 الكلمات المفتاحية cytotoxicity., micropropagation, callus culture, asarone, essential oils, Daucu scapillifolius,
In vitro Propagation and Essential Oils Composition with Cytotoxicity of Daucus capillifolius Gilli (Apiaceae)
Abstract : Micropropagation and callus culture of Daucus capillifolius Gilli (Apiaceae) were successfully established in Murashige and Skoog(MS) solid medium enriched with different plant growth regulators. The combination of NAA (1mg/L) + BAP (0.1mg/L) was found to be the optimum for both organogenesis and embryogenesis. The compositions of essential oils obtained from wild fruits, cultivated fruits and callus culture were ... إقراء المزيد