Thermophiles as a Promising Source of Exopolysaccharides with Interesting Properties

2016 ◽  
pp. 117-139 ◽  
Author(s):  
Margarita Kambourova ◽  
Nadja Radchenkova ◽  
Iva Tomova ◽  
Ivanka Bojadjieva
Keyword(s):  
Promising Source

Polyphenols from Cymbopogon citratus inhibit iNOS expression and NO production – a promising source of new anti-inflammatory drugs

Planta Medica ◽  
2010 ◽  
Vol 76 (12) ◽  
Author(s):  
V Francisco ◽  
A Figueirinha ◽  
B Neves ◽  
C Garcia-Rodriguez ◽  
M Lopes ◽  
...  
Keyword(s):  
Inos Expression ◽  
No Production ◽  
Cymbopogon Citratus ◽  
Inflammatory Drugs ◽  
Anti Inflammatory ◽  
Promising Source

Fruit and berry raw materials is a promising source of food ingredients for flour confectionery.

2020 ◽  
Vol 29 (11) ◽  
pp. 45-49
Author(s):  
L.N. Fedyanina ◽  
◽  
E.S. Smertina ◽  
V.A. Lyakh ◽  
A.E. Elizarova ◽  
...  
Keyword(s):  
Dietary Fiber ◽  
Scientific Literature ◽  
Consumer Demand ◽  
Raw Materials ◽  
Plant Materials ◽  
Food Ingredients ◽  
Promising Source

The article considers the problem of improving the range of confectionery from the standpoint of use plant materials of satisfaction by consumer demand in dieteticpreventive foods. The analysis of domestic and foreign scientific literature on promising directions of improving the range of dietetic-preventive confectionery is given. It is noted that in the recipes for flour confectionery introduced from non-traditional raw materials containing dietary fiber.

Natural products from the traditional Moroccan pharmacopoeia: A potential lead for the prevention and treatment of COVID-19

2020 ◽  
Vol 11 (SPL1) ◽  
pp. 1278-1285
Author(s):  
Mohamed Yafout ◽  
Amine Ousaid ◽  
Ibrahim Sbai El Otmani ◽  
Youssef Khayati ◽  
Amal Ait Haj Said
Keyword(s):  
Medicinal Plants ◽  
Plant Extracts ◽  
Molecular Mechanisms ◽  
Scientific Literature ◽  
Treatment Protocol ◽  
World Health ◽  
The World ◽  
Health Organization ◽  
Promising Source

The new SARS-CoV-2 belonging to the coronaviruses family has caused a pandemic affecting millions of people around the world. This pandemic has been declared by the World Health Organization as an international public health emergency. Although several clinical trials involving a large number of drugs are currently underway, no treatment protocol for COVID-19 has been officially approved so far. Here we demonstrate through a search in the scientific literature that the traditional Moroccan pharmacopoeia, which includes more than 500 medicinal plants, is a fascinating and promising source for the research of natural molecules active against SARS-CoV-2. Multiple in-silico and in-vitro studies showed that some of the medicinal plants used by Moroccans for centuries possess inhibitory activity against SARS-CoV or SARS-CoV-2. These inhibitory activities are achieved through the different molecular mechanisms of virus penetration and replication, or indirectly through stimulation of immunity. Thus, the potential of plants, plant extracts and molecules derived from plants that are traditionally used in Morocco and have activity against SARS-CoV-2, could be explored in the search for a preventive or curative treatment against COVID-19. Furthermore, safe plants or plant extracts that are proven to stimulate immunity could be officially recommended by governments as nutritional supplements.

Mass Spectrometry-Based Identification of Urinary Antimicrobial Peptides in Dairy Cows

2020 ◽  
Vol 27 (3) ◽  
pp. 225-235
Author(s):  
Ambika Sharma ◽  
Rajesh Nigam ◽  
Ashish Kumar ◽  
Simmi Singh
Keyword(s):  
Mass Spectrometry ◽  
Antimicrobial Peptides ◽  
Polyacrylamide Gel Electrophoresis ◽  
Radial Diffusion ◽  
Protein Database ◽  
Antimicrobial Effects ◽  
Cow Urine ◽  
Radial Diffusion Assay ◽  
Promising Source ◽  
Diffusion Assay

Background:: Urine is considered one of the biological fluids in which antimicrobial peptides are secreted or expressed. Cow urine has not been investigated for the presence of these peptides using MALDI-TOF-MS. Objective:: The aim of this study is to isolate, identify and assess the antimicrobial activity of urinary antimicrobial peptides from healthy normal cycling cows. Method:: We analyzed the urine sample using diafiltration, ion exchange chromatography, Reverse Phase High-Performance Liquid Chromatography (RP-HPLC), acid urea polyacrylamide gel electrophoresis (AU-PAGE) coupled with identification through Peptide Mass Fingerprinting (PMF) by matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDITOF- MS). The in vitro antimicrobial effects of purified fractions were assessed using Radial Diffusion Assay (RDA) and microtitre broth dilution assay against Gram-positive and Gramnegative bacteria. Results: : Proteins corresponding to the peaks were identified using SWISSPROT protein database. This study revealed constitutive expression of β-Defensin-1 (DEFB1), β-Defensin-4A (DFB4A), Neutrophil Defensin-1 (DEF1), Neutrophil Defensin-3 (DEF3) in cow urine. The identified peptides are cationic antimicrobial peptides of the defensin family. The purified fractions exhibited antimicrobial effects in radial diffusion assay and MIC values in the range of 2.93-29.3 &*#181;M/L. Conclusion:: This study concludes that cow urine, previously unexplored with regard to antimicrobial peptides, would be a promising source of highly potent AMPs and an effective alternative to the resistant antibiotics.

Anti-proliferative effects of an herbal formulated cream on human keratinocytes and its implication for psoriasis treatment

2016 ◽  
Vol 5 (07) ◽  
pp. 4686 ◽  
Author(s):  
Harsha M. R.* ◽  
Baidyanath Mishra ◽  
Chaithra C. S. ◽  
Vivekananda Ramana
Keyword(s):  
Cell Model ◽  
Test Material ◽  
Epidermal Keratinocytes ◽  
Recurrence Rates ◽  
Inflammatory Infiltration ◽  
Keratinocyte Proliferation ◽  
Psoriasis Treatment ◽  
Study Material ◽  
Keratinocyte Cell ◽  
Promising Source

Psoriasis is a chronic inflammatory skin disorder which affects more than 3% of the population worldwide and is characterized histopathologically by proliferative imbalance and abnormal differentiation of epidermal keratinocytes and inflammatory infiltration. Hence, loss of regulation in keratinocyte proliferation and differentiation makes it a typical pathophysiological phenomenon in psoriasis manifestation. Traditionally, herbal products used in treating psoriasis have shown promising effects in several clinical studies with relatively fewer adverse effects, higher remission and lower recurrence rates. In our previous study, the polyherbal formulation of InnoVision’s test material was found to induce AQP-3 expression in keratinocyte cell line. In the present study, we screened the study material for its anti-proliferative properties using cultured human HACAT keratinocyte cell model. Our experimental results suggest that InnoVision’s Psoriderm Cream is a promising source which can be effectively used as an herb-based topical agent for psoriasis treatment. Evidence is provided that inhibition of keratinocyte proliferation and improving skin hydration via induction of aquaporin-3 stimulation is the possible underlying mechanism for the observed anti-psoriatic action of study material. 

Power Electronics for Grid Integration of Wind Power Generation System

2016 ◽  
Vol 9 ◽  
pp. 10 ◽  
Author(s):  
Michael S Okundamiya
Keyword(s):  
Power Generation ◽  
Wind Energy ◽  
Power Electronics ◽  
Wind Power ◽  
Renewable Energy Sources ◽  
Wind Power Generation ◽  
Generation System ◽  
Electricity Grid ◽  
Power Generation System ◽  
Promising Source

The rising demands for a sustainable energy system have stimulated global interests in renewable energy sources. Wind is the fastest growing and promising source of renewable power generation globally. The inclusion of wind power into the electric grid can severely impact the monetary cost, stability and quality of the grid network due to the erratic nature of wind. Power electronics technology can enable optimum performance of the wind power generation system, transferring suitable and applicable energy to the electricity grid. Power electronics can be used for smooth transfer of wind energy to electricity grid but the technology for wind turbines is influenced by the type of generator employed, the energy demand and the grid requirements. This paper investigates the constraints and standards of wind energy conversion technology and the enabling power electronic technology for integration to electricity grid.

scholarly journals Recent Advances in Renewable Polymer Production from Lignin-Derived Aldehydes

Polymers ◽  
2021 ◽  
Vol 13 (3) ◽  
pp. 364
Author(s):  
Nahyeon Lee ◽  
Yong Tae Kim ◽  
Jechan Lee
Keyword(s):  
Lignocellulosic Biomass ◽  
Aromatic Aldehydes ◽  
Renewable Chemicals ◽  
Platform Chemicals ◽  
Recent Advances ◽  
Promising Source

Lignin directly derived from lignocellulosic biomass has been named a promising source of platform chemicals for the production of bio-based polymers. This review discusses potentially relevant routes to produce renewable aromatic aldehydes (e.g., syringaldehyde and vanillin) from lignin feedstocks (pre-isolated lignin or lignocellulose) that are used to synthesize a range of bio-based polymers. To do this, the processes to make aromatic aldehydes from lignin with their highest available yields are first presented. After that, the routes from such aldehydes to different polymers are explored. Challenges and perspectives of the production the lignin-derived renewable chemicals and polymers are also highlighted.

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