Hussein A.H. Said-Al Ahl

• Professor, PhD
• Professor (Full) at National Research Centre

Objective: Satureja montana L. is a deciduous perennial shrub known to possess a few pharmacological activities. The plant essential oil and extracts are used as folk remedies for many diseases. This study was designed to examine the antioxidant activity of the essential oil and ethanol extract of S.montana L. grown in Egypt, and determine their ac...

In order to search for new chemotypes and to carry out a comparative study with the literature, the current study investigated the chemical composition of the essential oil of the flowers of Daucus carota (L.) ssp. carota using gas chromatography coupled with mass spectrometry (GC-MS). Moreover, the antimicrobial and insecticidal potentials of esse...

Localized calcium deficiency at the tomato flower end causes a physiological disorder called blossom end rot, resulting in yield losses of up to 50 percent. Fruit cracking is another physiological disorder of tomatoes that most often occurs when the movement of water and solutes to the tomato is protracted or rapid, but the underlying cause of frui...

Wheat is the most consumed crop worldwide. Zeolite application combined with good tillage practices are good combinations that provide better soil conditions for wheat crops. Zeolite also provides a good layer for carbon to be absorbed into the soil and can retain carbon for hundreds of years. The current study aimed to investigate the effect of ti...

Wheat is the most consumed crop worldwide. Zeolite application combined with good tillage practices are good combinations that provide better soil conditions for wheat crops. Zeolite also provides a good layer for carbon to be absorbed into the soil and can retain carbon for hundreds of years. The current study aimed to investigate the effect of ti...

Illicium verum, commonly known as star anise, represents one of the notable botanical species and is recognized for its rich reservoir of diverse bioactive compounds. Beyond its culinary application as a spice, this plant has been extensively utilized in traditional medicine. Given the contemporary emphasis on incorporating natural resources into f...

Illicium verum, commonly known as star anise, represents one of the notable botanical species and is recognized for its rich reservoir of diverse bioactive compounds. Beyond its culinary application as a spice, this plant has been extensively utilized in traditional medicine. Given the contemporary emphasis on incorporating natural resources into f...

The rising demand for safe plant compounds and herbal products that contribute positively to human health is in line with current market trends. Plants belonging to the Satureja genus, particularly the aromatic medicinal S. montana L. from the Lamiaceae family, are well suited to these trends as they serve as pharmaceutical raw materials. This rese...

Citation: Said-Al Ahl, H.A.H.; Kačániova, M.; Mahmoud, A.A.; Hikal, W.M.;Čmiková, N.; Szczepanek, M.; Błaszczyk, K.; Al-Balawi, S.M.; Bianchi, A.; Smaoui, S.; et al. Phytochemical Characterization and Biological Activities of Essential Oil from Satureja montana L., a Medicinal Plant Grown under the Influence of Fertilization and Planting Dates. Bio...

The increasing consumer awareness about the link between nutrition and health has led the food industry to produce fortified food with bioactive compounds. Considering that not all bioactive compounds are freely available and in the light of increasing attention to preserve environmental resources, the new trend consisted of waste recovery of indus...

Recently, there has been great concern about the levels of oral diseases associated with inappropriate and unsanitary oral care methods. In this line, the most serious is the water contamination with pathogenic microbes. Owing to the water microbial contamination of dental units, patients' oral health is threatened as a result of systemic disorders...

Globally, black cumin (Nigella sativa L.) plays a crucial role in human health by being a traditional medicine for treating diseases, and an ingredient for herbal drug formulations and several culinary applications. To maximize its usage, it is important to understand how its growth is affected by stresses. Therefore, an experiment was conducted to...

Growing populations and less space and water for farming make it harder to produce enough food. This forces people to come up with new, cleaner ways to increase crop yields. There are considerable concerns about food safety and quality globally as a sustainable food supply becomes more critical. Increasing the application of agrochemicals and synth...

Greenhouse whitefly Trialeurodes vaporariorum Westw. (Hemiptera, Aleyrodidae) are becoming a very grave risk and have shown resistance to many synthetic insecticides. In recent years, a number of researchers have identified the repellent and insecticidal effects of plant fatty and essential oils. In this sense, the fatty oil of Azadirachta indica A...

Essential oils are natural plant products that are very interesting, as they are important sources of biologically active compounds. They comprise eco-friendly alternatives to mosquito vector management, particularly essential oil nanoemulsion. Therefore, the aim of this study is to evaluate the effectiveness of 16 selected essential oils (1500 ppm...

Essential oils are natural plant products that are very interesting, as they are important sources of biologically active compounds. They comprise eco-friendly alternatives to mosquito vector management, particularly essential oil nanoemulsion. Therefore, the aim of this study is to evaluate the effectiveness of 16 selected essential oils (1500 ppm...

Citation: Hikal, W.M.; Baz, M.M.; Alshehri, M.A.; Bahattab, O.; Baeshen, R.S.; Selim, A.M.; Alhwity, L.; Bousbih, R.; Alshourbaji, M.S.; Ahl, H.A.H.S.-A. Sustainable Pest Management Using Novel Nanoemulsions of Honeysuckle and Patchouli Essential Oils against the West Nile Virus Vector, Culex pipiens, under Laboratory and Field Conditions. Plants 2...

This paper is an overview of recent advances and new trends in electrochemical sensors for the detection of a wide range of antibiotics such as tetracyclines, macrolides, and many others. Given the increasing presence of antibiotics in various media from food, drink, rivers, it proved necessary to develop antibiotic sensors that can be applied easi...

In recent years, scientists' interest in agricultural waste has increased, and the waste has become attractive to explore and bene t from, rather than being neglected waste. Banana peels have attracted the attention of researchers due to their bioactive chemical components, so we focused on this review article on the antioxidant and antimicrobial a...

Parsley (Petroselium crispum L.) is commonly used for its flavor, desired nutritional contents, and other health benefits. However, since the profile of a recently introduced curly-leafed parsley cultivar in Egypt has not been studied, an experiment was conducted to compare three harvest dates in terms of the weight, essential oil (EO) content and...

Plants are rich source of natural bioactive phytochemicals. Medicinal plants have ingredients that can treat a disease or can be used to manufacture useful drugs. Herbal medicines are an important part of culture and traditions all over the world. Present review discusses the reported work on the genus Buddleja, due its chemical components and medi...

Agricultural waste has always been a global problem that causes environmental pollution, and thanks to the efforts of scientists, this agricultural waste has become not a neglected product, but rather a source of many effective chemical compounds that have industrial, pharmaceutical and food applications. Viral disease therapy has attracted a great...

Salinization of soils or waters is one of the world’s most serious environmental problems in agriculture. It is necessary to determine the environmental factors under which medicinal and aromatic plants give higher yields and better quality. The problem of salinity is characterized by an excess of inorganic salts and is common in the arid and semi-...

Oral health is at risk due to systemic diseases transmitted to patients due to microbial contamination of the dental unit waterlines (DUWLs) with pathogenic microbes. So, there is concern about the levels of oral diseases associated with inappropriate and unhygienic oral care practices, the most important of which is the contamination of water with...

Pineapple (Ananas comosus (L.) Merril), one of the major fruit crops, is mainly used for raw consumption and for industrial juice production, which creates large amounts of residues. The United Nations Food and Agriculture Organization (FAO) has estimated that pineapple waste accounts for between 50 to 65 % of the total weight of the fruit. Industr...

Cissampelos pareira, velvetleaf of the Menispermaceae family is important in in folk medicine of tropical and sub-tropical regions since ancient times. This makes it a promising multi-purpose plant for use as therapy for the treatment of various diseases including malaria. Treatment with medicinal plants and the use of their biologically active pro...

The essential oil of Syzygium (S.) aromaticum (CEO) is known for its good biological activity. The aim of the research was to evaluate in vitro and in situ antimicrobial and antibiofilm activity of the essential oil produced in Slovakia. The main components of CEO were eugenol 82.4% and (E)-caryophyllene 14.0%. The antimicrobial activity was either...

Processing pineapple industry produces huge amounts of waste thus contributing to worsen the global environmental problem. Valorising pineapple waste through further processing until it is transformed into valuable products using environmentally friendly techniques is both, a challenge, and an opportunity. The aim of this review is to characterize...

Processing pineapple industry produces huge amounts of waste thus contributing to worsen the global environmental problem. Valorising pineapple waste through further processing until it is transformed into valuable products using environmentally friendly techniques is both, a challenge, and an opportunity. The aim of this review is to characterize...

The current review sheds light on plants of the genus Buddleja, specifically Buddleja alternifolia , due to it not mentioned much and its medicinal qualities and uses thanks to its chemical components. Our review comprises these aspects include specie belonging to the genus Buddleja and the important chemical compounds such as steroids, Sesquit...

The objective of this research was to evaluate the significance of the plant's origin and to assess the essential oil composition of Artemisia herba - alba grown in Egypt simultaneously evaluating the effect of environmental conditions on essential oil composition. Seeds were planted and the essential oils extracted, using hydrodistillation, fr...

The aim is to review the research on the antioxidant and antimicrobial activities of the banana peel and related research suggests that it may be used as good sources of natural antioxidants and for pharmaceutical purposes in treating of various deseases. Banana is an edible fruit and is herbaceous plant belonging to the genus Musa and Musaceae fam...

Mouth care is of great importance for patients in dental care units, for provision of oral health care, and there is great concern about the levels of oral diseases associated with inappropriate and unhygienic oral care practices, the most important of which is the contamination of water with microbes. Oral health is at risk due to systemic disease...

Treatment with medicinal and aromatic plants and the use of their biologically active products, especially as anti-microbial, has become a very important and urgent matter due to the need for new anti-microbe drugs, as a result ofthe emergence of some strains of parasitesresistant to chemotherapy.Cactus (Opuntia ficus-indica) is an amazing multipur...

Evening Primrose (Oenothera biennis L.) is an industrial crop-producing seed with high oil concentration characterized by high gamma-linoleic acid. However, limited information is available on its response to the nutrient supply, especially P and K. The aim of this work was to compare the response of Evening Primrose to the application of N, P, and...

Excessive use of pesticides and fertilizers in agriculture in order to increase yields has proved unnecessary because a large part of them remain unused and have negative effects on the environment and human health. Therefore, it is a great challenge for farmers to replace the application of pesticides and fertilizers with nanopesticides and nanofe...

Excessive use of pesticides and fertilizers in agriculture in order to increase yields has proved unnecessary because a large part of them remain unused and have negative effects on the environment and human health.Therefore, it is a great challenge for farmers to replace the application of pesticides and fertilizers with nanopesticides and nanofer...

Thymol is one of the most important phytochemical components because of its pharmacological and bioactive potential effects. This review focuses particularly on thymol as an alternative natural antiparasitic with potential use in the pharmaceutical industry. This is in line with the preferences of the natural products for treatment being safer and...

Thymol is one of the most important phytochemical components because of its pharmacological and bioactive potential effects. This review focuses particularly on thymol as an alternative natural antiparasitic with potential use in the pharmaceutical industry. This is in line with the preferences of the natural products for treatment being safer and...

Nowadays, the fast development of nanobiotechnology, has led to rapid diagnosis of important infectious diseases such as arboviruses-borne diseases, vector-borne infections and waterborne parasites diseases and others in order to reduce and avoid further dissemination of the infections within the general population. Furthermore, new nanomedicines b...

The prickly pear, Opuntia ficus-indica of the Cactaceae family is important in agricultural economies throughout arid and semi-arid regions. It has multiple uses in folk medicine of different countries since ancient times. This makes it a promising multi-purpose plant for use as food, therapy, and other purposes. Treatment with medicinal and aromat...

The prickly pear, Opuntia ficus-indica of the Cactaceae family is important in agricultural economies throughout arid and semi-arid regions. It has multiple uses in folk medicine of different countries since ancient times. This makes it a promising multi-purpose plant for use as food, therapy, and other purposes. Treatment with medicinal and aromat...

The prickly pear, Opuntia ficus-indica of the Cactaceae family is important in agricultural economies throughout arid and semi-arid regions. It has multiple uses in folk medicine of different countries since ancient times. This makes it a promising multi-purpose plant for use as food, therapy, and other purposes. Treatment with medicinal and aromat...

Plectranthus amboinicus (Lour.) Spreng. is a plant used both as spice or as traditional herbal medicine. Its cultivation is expected to grow in the future, driven by the growing interest toward nutraceuticals and alternative medicine. Mediterranean Region is amply characterized by salt irrigation water, so posing limitations to the introduction of...

Objectives Type 2 diabetes mellitus (DMT2) is contributed to dual interactions between environmental factors and certain genetic factors. This impressed a great need for novel treatment strategy. Nevertheless, Hyssopus officinalis (H. officinalis) as a terrestrial herb is considered to be an important source of natural antioxidants, it could be ass...

Plectranthus amboinicus (Lour.) Spreng. is a plant used both as spice or as traditional herbal medicine. Its cultivation is expected to grow in the future, driven by the growing interest toward nutraceuticals and alternative medicine. Mediterranean Region is amply characterized by salt irrigation water, so posing limitations to the introduction of...

Objectives Type 2 diabetes mellitus (DMT2) is contributed to dual interactions between environmental factors and certain genetic factors. This impressed a great need for novel treatment strategy. Nevertheless, Hyssopus officinalis (H. officinalis) as a terrestrial herb is considered to be an important source of natural antioxidants, it could be ass...

Plectranthus amboinicus (Lour.) Spreng. is a plant used both as spice or as traditional herbal medicine. Its cultivation is expected to grow in the future, driven by the growing interest toward nutraceuticals and alternative medicine. Mediterranean Region is amply characterized by salt irrigation water, so posing limitations to the introduction of...

Plectranthus amboinicus (Lour.) Spreng. is a plant used both as spice or as traditional herbal medicine. Its cultivation is expected to grow in the future, driven by the growing interest toward nutraceuticals and alternative medicine. Mediterranean Region is amply characterized by salt irrigation water, so posing limitations to the introduction of...

In this present study, the response of Satureja montana plant to tap water (0.4 dS/m) and saline water irrigation (4 dS/m) treatments () was observed. The results showed significant effects of saline water on growth, essential oil content and yield and proline accumulation of the plant. As compared to tap water, saline water irrigation decreased pl...

A greenhouse experiment was conducted to study the effects of irrigation interval (4, 8, 12 and 16 days) and harvest (2, 4, 6, 8, 10 and 12 months after transplanting) on biomass, essential oil (EO) content and composition of Thymus vulgaris. As irrigation interval increased, herb fresh and EO yield decreased, but EO content increased, suggesting w...

A field experiment was conducted on three cultivars (Italian Giant, Italian Plain, and Local) of parsley to compare plant growth, herb fresh weight, and essential oil (EO) content, yield and composition at three harvest times (Day 1, 47, and 91) in response to phosphorus (P) application rates (0, 12, 24, and 36 kg ha�1 ). Repeated measures analysis...

A survey was performed to determine the prevalence of Acanthoemoeba spp. on leafy green vegetables such as lettuce, cabbage, spinach, parsley and dill purchased at retail in Tabuk, Saudi Arabia. A total of 300 samples were collected over one year between September 2015 and August 2016. Acanthoemoeba spp. were detected at different rates in all type...

Water is life and indispensable for all living organisms, however, it also can be a carrier of suffering, death and thus attention is required to ensure drinking water quality. Waterborne infections represent health hazard for global community and were responsible for many death cases annually. The free-living amoebae of the genus Acanthamoeba have...

A field experiment was conducted on three cultivars (Italian Giant, Italian Plain, and Local) of parsley to compare plant growth, herb fresh weight, and essential oil (EO) content, yield and composition at three harvest times (Day 1, 47, and 91) in response to phosphorus (P) application rates (0, 12, 24, and 36 kg ha�1). Repeated measures analysis...

Nepeta is a perennial herbal plant that belongs to the Lamiaceae mint family. Nepta has different species that are widely used in the agriculture, medicine, and pharmaceutical industries. A field experiment was conducted in 2015 and 2016 to determine the effects of potassium humate foliar application [0 (control) and 400 ppm] on growth, essential o...

Lemon balm (Melissa officinalis L.) is a perennial herb that is widely used in traditional medicines. An experiment was conducted under the agro-climatic conditions of National Research Centre, Giza, Egypt to determine the effect of time of harvesting on essential oil content and quality of M. officinalis. Essential oil content, and the concentrati...

Nepeta is a perennial herbal plant that belongs to the Lamiaceae mint family. Nepta has different species that are widely used in the agriculture, medicine, and pharmaceutical industries. A field experiment was conducted in 2015 and 2016 to determine the effects of potassium humate foliar application [0 (control) and 400 ppm] on growth, essential o...

A pot experiment was carried out during two successive seasons to report the variation of growth characters and essential oil composition of Nepeta cataria (catmint) and Nepeta cataria var. citriodora (lemon catnip) plants. There are no significant differences between growth and yield characters of both plants. The results indicated that essential...

Nepeta is a perennial herbal plant that belongs to the Lamiaceae mint family. Nepta has different species that are widely used in the agriculture, medicine, and pharmaceutical industries. A field experiment was conducted in 2015 and 2016 to determine the effects of potassium humate foliar application [0 (control) and 400 ppm] on growth, essential o...

A greenhouse experiment was conducted to study the effects of irrigation interval (4, 8, 12 and 16 days) and harvest (2, 4, 6, 8, 10 and 12 months after transplanting) on biomass, essential oil (EO) content and composition of Thymus vulgaris. As irrigation interval increased, herb fresh and EO yield decreased, but EO content increased, suggesting w...

Lemon balm (Melissa officinalis L.) is a perennial herb that is widely used in traditional medicines. An experiment was conducted under the agro-climatic conditions of National Research Centre, Giza, Egypt to determine the effect of time of harvesting on essential oil content and quality of M. officinalis. Essential oil content, and the concentrati...

Abstract The study investigated the effect of water stress and harvesting frequency on the growth and essential oil (EO) content and components of Marrubium vulgare grown under Egyptian conditions. Two-month old seedlings of Marrubium vulgare were transplanted into pots and irrigation treatments (4, 8 and 12 days) were applied one month after tran...

A greenhouse experiment was conducted to study the effects of four irrigation intervals (4, 8, 12 and 16 days) and six harvests (2, 4, 6, 8, 10 and 12 months after transplanting) on biomass, essential oil content and composition of Plectranthus amboinicus (Lour.) Spreng. Fresh weight and essential oil yield decreased with increasing irrigation inte...

A greenhouse experiment was conducted to study the effects of four irrigation intervals (4, 8, 12 and 16 days) and six harvests (2, 4, 6, 8, 10 and 12 months after transplanting) on biomass, essential oil content and composition of Plectranthus amboinicus (Lour.) Spreng. Fresh weight and essential oil yield decreased with increasing irrigation inte...

The study investigated the effect of water stress and harvesting frequency on the growth and essential oil (EO) content and components of Marrubium vulgare grown under Egyptian conditions. Two-month old seedlings of Marrubium vulgare were transplanted into pots and irrigation treatments (4, 8 and 12 days) were applied one month after transplanting....

One of the most important global problems is protecting crops from insects. For the control of insects, synthetic chemicals are continuously used, and their toxicity endangers health of farm operators, animals and food consumers. The negative effects on human health led to a resurgence of interest in botanical insecticides due to their minimal cost...

Plants are rich source of natural bioactive phytochemicals, since many of photochemical compounds are currently available as unregulated botanical preparations and their use by the public is increasing rapidly. The use of drugs and dietary supplements derived from plants has accelerated in recent years to treatment of infectious diseases. While mor...

oil yield and fatty acid profile of Oenothera biennis as affected by different levels of nitrogen and zinc fertilization A field experiment was conducted with Oenothera biennis to evaluate the effects of nitrogen fertilizer and zinc spray on the plant height, branches and capsule numbers, seed yield, seed oil content and fatty acid composition. Pla...

Plants are rich source of natural bioactive phytochemicals, since many of photochemical compounds are currently available as unregulated botanical preparations and their use by the public is increasing rapidly. The use of drugs and dietary supplements derived from plants has accelerated in recent years to treatment of infectious diseases. While mor...

Botanical pesticides/insecticides have a proven track record and long use as simple extractives for pest control reviewed, with an emphasis on natural products that have received regulatory approval. Public concern over use of synthetic insecticides is growing. So botanicals are now replacement by synthetics, the new environmental movement has prov...

p> Objective: The objective of this research was to evaluate the significance of the plant's origin and to assess the essential oil composition of Artemisia vulgaris grown in Egypt simultaneously evaluating the effect of environmental conditions on essential oil composition. Methods : Seeds were planted and the essential oils extracted, using hydr...

Objective: To study the response of Plectranthus amboinicus plants to iron and/or urea foliar application using tap water and Nacl saline water for irrigation, a pot experiment was conducted during two successive seasons (2014 and 2015) under the natural conditions of the greenhouse of the National Research Center, Dokki, Giza, Egypt. Methods: Ple...

Anethum graveolens is grown throughout the world as a culinary crop and as an essential oil-producing crop from herb or fruits. As a result of higher demand as raw material and its products and maximizing the use of dill. We discussed the dill straw as a new source of essential oil instead of neglecting this by-product. For this, it is better to st...

A field experiment was carried out during two successive seasons to study the effects of nitrogen fertilizer (0, 50 and 100 kg N/fed.) and phosphorus fertilizer (0, 15.5 and 30 kg P/fed.) as well as 1st and 2nd cuts on dry matter, essential oil percentage and composition of Satureja montana under Egyptian conditions. In the two seasons, herb dry we...

A field experiment was conducted to compare growth characters, herb fresh weight and essential oil content and composition among four parsley cultivars at five harvest times in addition to evaluate the variability at the DNA level in these cultivars. Results showed that Plain Italian Giant cultivar was the best in number of branches, herb fresh wei...

Objective: The objective of this research was to study the effects of water stress treatments (40, 60, and 80 % available soil moisture, ASM) and/or potassium application (0, 0.4 and 0.8 g/pot) on growth parameters, yield and fatty acids content and composition of Oenothera biennis under greenhouse conditions. Methods: A two years pot experiment wa...

A pot experiment was carried out during two successive seasons to study the effects of three water stress treatments (pots irrigated to reach field capacity FC when soil moisture drops until 40, 60, and 80% of available soil moisture ASM, hereafter reported as 40 ASM, 60 ASM and 80 ASM) and salicylic acid (SA) foliar application (0 and 200 mg/L, he...

A field experiment was conducted to evaluate the effects of phosphorus (P) fertilization rates and water stress levels on the morphological characteristics, seed yield, seed oil content and fatty acid profile of Brassica napus under the natural conditions of Agricultural Experimental Station (Nobaryia, Beheira governorate, Egypt). Morphological cha...

Objective: The objective of this research was to evaluate the essential oil content and composition of the eight dill cultivars under Egypt conditions. Methods: A two years field experiment was conducted on eight dill cultivars in 2010/2011 and 2011/2012 seasons. The volatile oil content of the eight dill cultivars was studied at fruiting stage. Ex...

Objective: The objective of this research was to compare growth and essential oil content and composition among eight dill cultivars harvested two times before the bolting of inflorescences. Methods: A two years field experiment was conducted on eight cultivars of dill in 2010/2011 and 2011/2012 seasons. Growth, herb fresh weight (g/plant) and esse...

The objective of this study was to investigate the effect of planting dates and harvesting at different developmental stages on growth, herb, essential oil content and its composition of Marrubium vulgare grown under Egyptian conditions. Marrubium vulgare seeds were sown in the nursery in three different dates (March 15, April 1, and April 15). Aft...