scholarly journals IMPACT OF INSTANTANEOUS CONTROLLED PRESSURE PROP (DIC) TECHNOLOGY ON EXTRACTION OF TOTAL PHENOLS OF MOROCCAN SALVIA OFFICINALIS

2011 ◽  
Vol 7 (2) ◽  
pp. 1287-1295
Author(s):  
Mharti Fatima-Zohra ◽  
Abdellaoui Abdelfattah ◽  
Kamal Ibtisam ◽  
Lyoussi Badiaa ◽  
Allaf Tamara ◽  
...  
Keyword(s):  
Salvia Officinalis ◽  
Raw Material ◽  
Total Phenolic ◽  
Total Phenols ◽  
Assisted Extraction ◽  
Solvent Type ◽  
Pre Treatment ◽  
Salvia Officinalis L ◽  
Instant Controlled Pressure Drop ◽  
Kinetics Of

The main objective of this study was to intensify the extraction of total phenols from Salvia officinalis L. using instant controlled pressure drop (DIC) as a texturing pre-treatment. The effect of solvent type on Total Phenolic Content (TPC) was also studied. TPC was determined using spectrophotometric Folin-Ciocalteau method and external calibration with Gallic acid. The obtained results showed that water was the most efficient solvent to extract total phenols from Salvia officinalis L. Moreover, texturing and expansion by DIC pretreatment had a great impact on polyphenol yields and revealed greater extraction kinetics. Likewise, drying kinetics of DIC-treated sage was enhanced compared to the raw material. DIC-assisted extraction can be considered as a promising technology to use in the case of the Moroccan Salvia officinalis L. as an important Mediterranean source of natural phenols.

scholarly journals Extraction Kinetics of Phenolic Antioxidants from the Hydro Distillation Residues of Rosemary and Effect of Pretreatment and Extraction Parameters

Molecules ◽  
2020 ◽  
Vol 25 (19) ◽  
pp. 4520
Author(s):  
Irini Psarrou ◽  
Antigoni Oreopoulou ◽  
Dimitrios Tsimogiannis ◽  
Vassiliki Oreopoulou
Keyword(s):  
Radical Scavenging ◽  
Raw Material ◽  
Total Phenolic ◽  
Phenolic Antioxidants ◽  
Stirred Reactor ◽  
Scavenging Capacity ◽  
Pre Treatment ◽  
Distillation Residues ◽  
Kinetics Of ◽  
Dpph Radical Scavenging

Rosemary residue, remaining after the distillation of essential oil, is currently unexploited, while it is a source of phenolic antioxidant components. This raw material was used for the extraction of phenolic compounds by aqueous ethanol or acetone in a continuously stirred reactor. The experimental results were fitted with a two-stage diffusion model. The highest extraction rates, total phenolic content (TPC) recovery, and 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging capacity were obtained by acetone 60% and ethanol 60%. Grinding of the raw material enhanced the extraction rate and increased TPC yield and antioxidant capacity as the particle size decreased. Pre-treatment by maceration in water (4 h) dissolved a high amount of TPC and shortened the extraction time, while the combination with the pulsed electric field process did not provide further improvement. The use of ultrasound increased the efficiency of the extraction.

scholarly journals Optimization of Ultrasonic-Microwave Assisted Extraction and Hepatoprotective Activities of Polysaccharides from Trametes orientalis

Molecules ◽  
2019 ◽  
Vol 24 (1) ◽  
pp. 147 ◽  
Author(s):  
Yi Zheng ◽  
Jue Cui ◽  
An-Hui Chen ◽  
Zhi-Min Zong ◽  
Xian-Yong Wei
Keyword(s):  
Elevated Serum ◽  
Alcohol Exposure ◽  
Raw Material ◽  
Microwave Assisted Extraction ◽  
Microwave Assisted ◽  
Assisted Extraction ◽  
Injury Model ◽  
Tnf Α ◽  
Pre Treatment ◽  
Factor Α

Ultrasonic-microwave assisted extraction (UMAE) of Trametes orientalis polysaccharides was optimized by response surface methodology. Hepatoprotective effects of a purified T. orientalis polysaccharide (TOP-2) were evaluated by alcohol-induced liver injury model mice. The optimal UMAE parameters were indicated as below: ratio of water to raw material 28 mL/g, microwave power 114 W, extraction time 11 min. The polysaccharides yield was 7.52 ± 0.12%, which was well consistent with the predicted value of 7.54%. Pre-treatment with TOP-2 effectively increased the liver index and spleen index in alcohol-treated mice. The elevated serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) levels of mice after alcohol exposure were inhibited by TOP-2 administration. The liver tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β) levels have decreased significantly as a result of alcohol exposure, while pre-treatment with TOP-2 could mitigate these consequences. Furthermore, pre-treatment with TOP-2 could efficiently boost the superoxidase dismutase (SOD), catalase (CAT) and glutathione peroxidase (GSH-Px) activities, and observably constrain the malondialdehyde (MDA) level. The findings suggest that TOP-2 might be useful for alleviating the alcohol-induced hepatotoxicity via its antioxidant and anti-inflammatory potential.

scholarly journals Evaluation of content of phenolics in Salvia species cultivated in South Moravian Region / Hodnotenie obsahu fenolov vo vybraných druhoch rodu Salvia L. pestovaných v Juhomoravskom kraji

2015 ◽  
Vol 62 (s9) ◽  
pp. 18-22
Author(s):  
A. Muráriková ◽  
K. Kaffková ◽  
S. Raab ◽  
J. Neugebauerová
Keyword(s):  
Gallic Acid ◽  
Plant Material ◽  
Phenolic Content ◽  
Salvia Officinalis ◽  
Total Phenolic ◽  
Total Phenols ◽  
Spectrophotometric Methods ◽  
Salvia Fruticosa ◽  
Standard Compound ◽  
Salvia Triloba

Abstract In this study, total phenolic content (TPC) and rosmarinic acid (RA) of 37 samples sage (Salvia L.) of extracts were determined using spectrophotometric methods. The amount of total phenols was analysed with Folin-Ciocalteu reagents. Gallic acid was used as a standard compound and the total phenols were expressed as mg.g−1 gallic acid equivalents of dried plant material. The values of the extracts displayed substantial differences. All of the investigated species except Salvia jurisicii (990.79 mg GAE. g−1 d.w.) exhibited higher content of phenolics. Among the studies, species demonstrated the highest content of phenol, followed in sequence by Salvia tomentosa, Salvia fruticosa, Salvia triloba, Salvia officinalis ‘Extrakta’, Salvia officinalis. TPC varied from 990.79 to 4459.88 mg GAE. g−1 d.w. in the extracts. The total amount of RA was between 0.88 and 8.04% among species. Salvia tomentosa, Salvia verticillata and Salvia officinalis ‘Extrakta’ had the highest content of RA. The high content of phenolic compounds indicated that these compounds contribute to the antioxidant activity.

scholarly journals Antioxidant Phenolic Compounds in Salvia officinalis L. and Salvia sclarea L.

2018 ◽  
Vol 25 (1) ◽  
pp. 133-142 ◽  
Author(s):  
Izabela Jasicka-Misiak ◽  
Anna Poliwoda ◽  
Magdalena Petecka ◽  
Olena Buslovych ◽  
Vladimir A. Shlyapnikov ◽  
...  
Keyword(s):  
Chemical Composition ◽  
Phenolic Compounds ◽  
Total Phenolic Content ◽  
Antiradical Activity ◽  
Phenolic Content ◽  
Salvia Officinalis ◽  
Total Phenolic ◽  
Crimean Peninsula ◽  
Salvia Sclarea ◽  
Salvia Officinalis L

Abstract The differences in the chemical composition of the phenolic compounds of Salvia officinalis versus Salvia sclarea growing in different habitats, were studied. First, the optimal solvent - methanol - for ultrasonic extraction of phenolic compounds from these plants was chosen experimentally. Total phenolic content and 1,1-diphenyl-2-picrylhydrazyl (DPPH) assays were determined spectrophotometrically. Total phenolic content was in the range of 63.9 to 134.4 mg GAE/g of plant depending on the studied species. The highest antiradical activity was displayed by the methanol fractions of S. sclarea varieties (83 and 67%). HPLC-DAD analysis of extracts was done in order to identify the presence of individual phenolic compounds. This was done by comparison of their retention times with those observed for 17 commercially available standard compounds. The results showed differences in the phenolics composition, with plants collected on Crimean peninsula accumulating more phenolic acids than Polish varieties. In turn, the Polish varieties of sage contain bigger amount of flavonoids in their tissues.

scholarly journals Ultrasound-assisted extraction of bioactive compounds from lemon balm and peppermint leaves

2016 ◽  
Vol 30 (1) ◽  
pp. 95-104 ◽  
Author(s):  
Jana Šic Žlabur ◽  
Sandra Voća ◽  
Nadica Dobričević ◽  
Stjepan Pliestić ◽  
Ante Galić ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Bioactive Compounds ◽  
Radical Scavenging ◽  
Ultrasonic Extraction ◽  
Total Phenolic ◽  
Total Phenols ◽  
Ultrasound Assisted Extraction ◽  
Lemon Balm ◽  
Assisted Extraction ◽  
Ultrasound Assisted

Abstract The aim of this study was to investigate the influence of conventional and ultrasound-assisted extraction (frequency, time, temperature) on the content of bioactive compounds as well as on the antioxidant activity of aqueous extracts from fresh lemon balm and peppermint leaves. Total phenols, flavonoids, non-flavonoids, total chlorophylls, total carotenoids, and radical scavenging capacity were determined. Moreover, the relationship between bioactive compounds and antioxidant capacity was studied by linear regression. A significant increase in all studied bioactive compounds during ultrasonic extraction for 5 to 20 min was found. With the classical extraction method, the highest amounts of total phenols, flavonoids, and antioxidant activity were determined, and the maximum amounts of total chlorophylls and carotenoids were determined during 20 min ultrasonic extraction. The correlation analysis revealed a strong, positive relationship between antioxidant activity and total phenolic compounds.

scholarly journals Extraction of Phenolic Compounds from Fresh Apple Pomace by Different Non-Conventional Techniques

Molecules ◽  
2021 ◽  
Vol 26 (14) ◽  
pp. 4272
Author(s):  
Luna Pollini ◽  
Lina Cossignani ◽  
Cristina Juan ◽  
Jordi Mañes
Keyword(s):  
Phenolic Compounds ◽  
Value Added ◽  
Apple Pomace ◽  
Total Phenolic ◽  
Ultrasound Assisted Extraction ◽  
A Value ◽  
Assisted Extraction ◽  
Starting Point ◽  
Apple Products ◽  
Pre Treatment

Red Delicious apple pomace was produced at laboratory scale with a domestic blender and different non-conventional extraction techniques were performed to isolate phenolic compounds, such as ultrasound-assisted extraction (UAE), ultraturrax extraction (UTE), accelerated solvent extraction (ASE) and pulsed electric field (PEF) extraction pre-treatment. Total phenolic content (TPC) was determined by Folin–Ciocalteu assay. Phloridzin, the main phenolic compound in apples, was determined by chromatographic analysis Q-TOF-LC/MS. The results obtained with these techniques were compared in order to identify the most efficient method to recover polyphenols. The highest value of TPC (1062.92 ± 59.80 µg GAE/g fresh apple pomace) was obtained when UAE was performed with EtOH:H2O (50:50, v/v), while ASE with EtOH:H2O (30:70, v/v) at 40 °C and 50% of flush was the most efficient technique in the recovery of phloridzin. The concentration of the main phenolic compounds ranged from 385.84 to 650.56 µg/g fresh apple pomace. The obtained results confirm that apple pomace represents an interesti-ng by-product, due to the presence of phenolic compounds. In particular, phloridzin could be considered a biomarker to determine the quality of numerous apple products. Therefore, this research could be a good starting point to develop a value-added product such as a functional food or nutraceutical.

scholarly journals Preparation, Characterization, and Biocompatibility Assessment of Polymer-Ceramic Composites Loaded with Salvia officinalis Extract

Materials ◽  
2021 ◽  
Vol 14 (20) ◽  
pp. 6000
Author(s):  
Dagmara Słota ◽  
Wioletta Florkiewicz ◽  
Karina Piętak ◽  
Aleksandra Szwed ◽  
Marcin Włodarczyk ◽  
...  
Keyword(s):  
Dry Weight ◽  
Ceramic Composites ◽  
Salvia Officinalis ◽  
Polymer Materials ◽  
Total Phenolic ◽  
Composite Surface ◽  
Biological Studies ◽  
Kinetics Of

In the present work, hydroxyapatite-polymer materials were developed. The preparation, as well as characterization of the ceramic-polymer composites based on polyvinylpyrrolidone, sodium alginate, and gelatin were described. The system was enriched with the addition of common sage extract (Salvia officinalis). The antioxidant potential of sage aqueous extract and total polyphenol content was determined. The antioxidant capacity and total phenolic content of extract were equal to 86.06 ± 0,49% and 16.21 ± 0,58 mg gallic acid equivalents per gram of dry weight, respectively. Incubation studies in selected biological liquids were carried out to determine the biomineralization capacity on the surface of the composites and to examine the kinetics of release of the active substances from within the material. As a result of the incubation, a gradual release of the extract over time from the polymer matrix was observed; moreover, the appearance of new apatite layers on the composite surface was recorded as early as after 14 days, which was also confirmed by energy-dispersive X-ray spectroscopy (EDS) microanalysis. The composites were analyzed with Fourier transform infrared spectroscopy (FTIR) spectroscopy, and the morphology was recorded by scanning electron microscope (SEM) imaging. The in vitro biological studies allowed their cytotoxic effect on the reference L929 fibroblasts to be excluded. Further analysis of the biomaterials showed that enrichment with polyphenols does not support the adhesion of L929 cells to the surface of the material. However, the addition of these natural components stimulates human monocytes that constitute the first step of tissue regeneration.

scholarly journals SEED GERMINABILITY AND GRASS BIOLOGY OF MEDICINAL PLANT SALVIA (SALVIA OFFICINALIS L.)

2020 ◽  
pp. 311-314
Author(s):  
Egamyor Toshboevich Akhmedov ◽  
Vakhob Tukhtamishevich Kaysarov ◽  
Munira Zoidovna Yuldasheva
Keyword(s):  
Salvia Officinalis ◽  
Raw Material ◽  
First Year ◽  
Sowing Time ◽  
Plant Seeds ◽  
Plant Safety ◽  
Mass Reproduction ◽  
Generative Phase ◽  
Salvia Officinalis L ◽  
First Year Of Life

The article presents the data on seed germination of Salvia officinalis L. in laboratory and field conditions. The mass of 1000 seeds of the plant is 7-8g. It has been revealed that the optimal sowing time for S. officinalis L. is the spring period. At the same time, laboratory and soil germination of freshly harvested seeds of S. officinalis L. constitutes 70-85%. Plant seeds sprout 15-20 days after sowing. Plant safety in the conditions of Tashkent oasis in the aisles is 70-80%. In the first year of life, plants do not enter the generative phase of development. In recent time, a collection of this plant has been created and methods of mass reproduction, as well as agricultural measures, are being studied. KEYWORDS: Salvia officinalis L., field, generative, reproduction, seeds, biology, raw material.

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