Aisha M.A. Ahmed

ORCID: 0000-0001-5490-8944
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About
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Research Areas
  • Essential Oils and Antimicrobial Activity
  • Plant biochemistry and biosynthesis
  • Phytochemistry and Biological Activities
  • Allelopathy and phytotoxic interactions
  • Phytochemicals and Antioxidant Activities
  • Moringa oleifera research and applications
  • Flowering Plant Growth and Cultivation
  • Plant Parasitism and Resistance
  • Plant Growth Enhancement Techniques
  • Seed Germination and Physiology
  • Plant Stress Responses and Tolerance
  • Legume Nitrogen Fixing Symbiosis
  • Plant responses to water stress
  • Ethnobotanical and Medicinal Plants Studies
  • Medicinal Plants and Neuroprotection
  • Plant tissue culture and regeneration
  • Hibiscus Plant Research Studies
  • Heavy Metals in Plants
  • Plant Molecular Biology Research
  • Insect Pest Control Strategies
  • Bee Products Chemical Analysis
  • Edible Oils Quality and Analysis
  • Plant and animal studies
  • Light effects on plants
  • Saffron Plant Research Studies

National Research Centre
2015-2024

Howard University
2022

Federal Polytechnic, Mubi
2021

Suez Canal University
2021

The Federal Polytechnic, Ado-Ekiti
2021

Assiut University
1982-2020

Minia University
2019

Ahmadu Bello University
2017

University of the Punjab
2017

Tanta University
2010

The effects of foliar application different concentrations amino acids (tyrosine and phenylalanine) phenolic (trans-cinnamic acid, benzoic acid salicylic acid) on growth, pigment content, hormones levels essential oil content Ammi visnaga L were carried out during two successive seasons. It is clear that either or phenolics significantly promoted the growth parameters in terms shoot height, fresh dry biomass, number branches umbels per plant. increment parameter was associated with elevated...

10.1016/j.sjbs.2013.10.008 article EN cc-by-nc-nd Saudi Journal of Biological Sciences 2013-11-21

This study investigates the phytochemical composition and functional properties of Parkia biglobosa, Moringa oleifera, Spondias purpurea seeds collected from Madagali, Michika Mubi in Adamawa North Senatorial Zone State, Nigeria. High-Performance Liquid Chromatography (HPLC) analysis revealed significant antioxidant levels, particularly polyphenols flavonoids, with oleifera exhibiting highest content. Fourier Transform Infrared Spectroscopy (FTIR) identified key groups, such as hydroxyl...

10.51584/ijrias.2025.10030022 article EN International Journal of Research and Innovation in Applied Science 2025-01-01

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 EOs their antimicrobial nine types growing at Nile valley (NV) Reclaimed desert (RD) Egypt. that are chosen this study were Valencia orange, Navel Sour Lemon, Volkamer lemon, Lime, Mediterranean mandarin, Dancy tangerine, Grapefruit. Selected microbes two...

10.1080/0972060x.2021.1941278 article EN Journal of Essential Oil Bearing Plants 2021-05-04

Abstract Background Fennel essential oils are fragrance compounds used in food and pharmaceutical sectors. One of the major impediments to expansion fennel farming Egypt's reclamation areas is saline water. Titanium dioxide (TiO 2 ) or TiO nano particles NP) can be utilized boost yield aromatic plants cultivated under irrigation Saline water, particularly which contains sodium chloride harm plant; consequently, it was predicted that production would fail reclaimed area, where primary source...

10.1186/s12870-024-04996-8 article EN cc-by BMC Plant Biology 2024-04-23

Background and Objective: Oregano herb has various pharmaceutical properties.Soil Moisture (SM) deficit harmful effects on aromatic plants.So, the aim of this study was to decrease effect SM oregano plants by adapting them through use glutamic acid (GLU).Materials Methods: were divided into two main groups.The first group subjected different levels SM: 100, 75, 50 25% corresponding Field Water Capacity (FWC), while second same but GLU added at 0.3 g LG 1 as foliar spray.Fresh Mass (FM), Dry...

10.3923/ijb.2017.43.51 article EN International Journal of Botany 2016-12-15

Essential oil (EO) of Citrus has some biological and pharmaceutical properties; thus, it can be used in food drug industries. Changes growing seasons play important roles physiological processes EO especially that extracted from young leaves. The aim this study was to evaluate the leaves twelve species different (winter, spring, summer autumn) under Egyptian conditions. investigation were Valencia Orange, Navel Sour Lemon, Volkamer Lime, Persian Sweet Mediterranean Mandarin, Dancy Tangerine,...

10.1080/10412905.2020.1749947 article EN Journal of Essential Oil Research 2020-04-20

Essential oil of grapefruit used in various food and drug industries. Previous investigators indicted that salicylic acid different locations had a significant role essential production. production is one way to utilize the reclaimed areas Egypt. In this study, effects on were evaluated old Grapefruit trees exposed foliar spray at 0, 20 40 mg L-1 Nubaria (reclaimed area) Giza (old area). Data statistically analyzed using 2-way analysis variance (ANOVA-2). The highest amounts extracted from...

10.1080/0972060x.2018.1557078 article EN Journal of Essential Oil Bearing Plants 2018-11-02

The effects of different osmotic stresses (from 0 to –8× 105 Pa) obtained with NaC or polyethylene glycol 6000 solutions on the germination flax, sesame and onion seeds were investigated. effect presoaking gibberellic acid (GA3) above mentioned was also studied. It found that rate seed final percentages as well amount water absorbed by considerably lowered rise stress levels whatever agent used, more considerable reduction under than NaCl. Presoaking increased percentage osmotically stressed...

10.1007/bf02902858 article EN Biologia Plantarum 1982-03-01

In Egypt, faba bean plants are severely damaged by charcoal rot, caused Macrophomina phaseolina and root-knot, Meloidogyne incognita.The current study was aimed to control these diseases using silver nanoparticles that were biologically synthesized from Moringa oleifera leaf extract.In this work, (AgNPs) prepared with trisodium citrate as a reducing agent produce chemo-AgNPs and, an environmentally eco-friendly method, aqueous extract of M. leaves under visible light radiation bio-AgNPs.The...

10.24425/jppr.2021.139248 article EN cc-by-nc-nd Journal of Plant Protection Research 2023-03-22

Background and Objectives: Parsley herb has various biological properties used in food pharmaceutical industries.Biostimulants represent one area of research that the potential to increase medicinal aromatic plants (MAP) productivity.The aim this study was evaluate growth chemical composition parsley plant under some biostimulants treatments.Materials Methods: were subjected different concentrations L-tryptophan (LTRYP, 100 200 mg LG 1 ), trans-cinnamic acid (TCA, 10 20 ) distilled water as...

10.3923/ajps.2018.96.106 article EN Asian Journal of Plant Sciences 2018-03-15

Abstract The effects of harvesting treatments and / or distillation methods (hydrodistillation, hydro-steam steam distillation) on the essential oil content composition Pelargonium odoratissimum L. Melissa officinalis plants were carried out in a greenhouse at Shanghai Institute Plant Physiology Ecology (SIPPE), Shanghai, China, during years 2007 2008. highest yield P. M. was obtained by hydrodistillation lowest distillation. significantly decreased towards second harvesting. main component...

10.1080/0972060x.2009.10643701 article EN Journal of Essential Oil Bearing Plants 2009-01-01

Background and Objective: Essential oil (EO) of M. officinalis L. used in different pharmaceutical food industries.Salinity (SAL) stress has harmful effects on growth EO yield.This study aimed to increase the composition through use Citric Acid (CA) under SAL conditions.Materials Methods: Plants were subjected levels saline soil: 0.0, 1.6, 3.1 6.3 dSmG 1 with or without CA.The experimental design followed a complete random block design.The averages data statistically analyzed using two-way...

10.3923/ajcs.2017.40.49 article EN Asian Journal of Crop Science 2017-03-15

Lemon essential oil (EO) has several biological activities especially against breast carcinoma cells. Cysteine (CYS) and soil structures play an important role in the production of lemon EO. The application CYS various soils is one way scientific technique which leads to a modification EO production. Thus, aim this investigation was evaluate extracted from leaves peels under rates structures. trees were exposed different (0.0, 0.2 0.4 g/L) sand clay soils. isolated by steam distillation,...

10.1080/0972060x.2020.1736646 article EN Journal of Essential Oil Bearing Plants 2020-01-02

Rumex is one of about 50 genera in the knotweed family, Polygonaceae. The genus comprises 200 species with bisexual, or more commonly, unisexual flowers, displaying monoecious, dioecious, synoecious (hermaphroditic) polygamous reproductive systems. Some dioecious have heteromorphic sex chromosomes, which rare amongst angiosperms. We here present a plastid phylogeny 67 species, representing all four subgenera. For this study, we used three chloroplast markers, rbcL , trnH - psbA trnL F and...

10.3897/phytokeys.204.85256 article EN cc-by PhytoKeys 2022-08-05

Essential oil of geranium (Pelargonium graveolens L) has biological activities that make it used in food and pharmaceutical manufactures. High salinity is one the factors lead to lack expansion production medicinal aromatic plants, especially new reclaimed soil located at arid semi regions. Glutathione a natural antioxidant can help plants withstand unfavorable environmental conditions such as irrigation water. This trial aimed diminish undesirable effect exposure with salt water on herbs...

10.1016/j.heliyon.2023.e18262 article EN cc-by-nc-nd Heliyon 2023-07-01

Abstract Mint essential oil has several applications in pharmacy and food industries. As mint species multiplied, active chemicals evolved, resulting changes their biological effects. growth Egypt’s sandy soils is hampered by abiotic stress. Phenols like turmeric curcumin reduce stress which plant suffers. Finding various aromatic to substitute synthetic ones an enticing approach developing a new pharmaceutical regimen; these plants need be studied locate components. Therefore, this study...

10.1007/s42452-024-05810-8 article EN cc-by Deleted Journal 2024-03-23

10.1007/s42729-021-00501-4 article EN Journal of soil science and plant nutrition 2021-05-11

There are numerous uses for rosemary essential oil (Rosmarinus officinalis), including aromatherapy, antioxidant activity, antimicrobial and antitumour properties. High salinity of irrigation water is one the main barriers inhibiting growth cultivation in Egypt's new reclamation zones. Chitosan a natural biopolymer which obtained from deacetylation chitin has high potential to improve plant productivity under stressful conditions. So, this study aimed minimize negative effects salty on...

10.1016/j.agwat.2023.108381 article EN cc-by-nc-nd Agricultural Water Management 2023-05-31

PRODUCERS in Egypt tend to use traditional methods of feeding medicinal and aromatic plants separating the essential oils bitter fennel from fruits only. However, they have not focused on other parts. This study was conducted evaluate sprayed with L-phenylalanine determine possibility using production Bitter exposed different rates (0.0, 0.3, 0.6, 0.9, 1.2g/L). Changes oil sources (fresh dry weights herbs harvested at vegetative, flowering, immature fruiting mature fruits) were recorded....

10.21608/ejbo.2021.101670.1811 article EN Egyptian Journal of Botany 2021-12-12
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