scholarly journals Ultrasonic assisted extraction of bioactive compounds from different parts of Hancornia Speciosa Gomes

2020 ◽  
Vol 14 (7) ◽  
pp. 300-308
Author(s):  
Prado Leite Sérgio ◽  
Batista Adami Tiago ◽  
R. Bjerk Thiago ◽  
Rubens dos Reis Souza Michel ◽  
A. L. Cardoso Claudia ◽  
...  
Keyword(s):  
Bioactive Compounds ◽  
Assisted Extraction ◽  
Ultrasonic Assisted ◽  
Ultrasonic Assisted Extraction ◽  
Hancornia Speciosa ◽  
Different Parts

scholarly journals Optimization of Extraction Conditions of Bioactive Compounds by Ultrasonic-Assisted Extraction from Artichoke Wastes

2021 ◽  
Vol 68 (3) ◽  
pp. 658-666
Author(s):  
Izzet Turker ◽  
Hilal Isleroglu
Keyword(s):  
Antioxidant Capacity ◽  
Bioactive Compounds ◽  
Extraction Process ◽  
Extraction Yield ◽  
Extraction Time ◽  
Total Phenolic ◽  
Assisted Extraction ◽  
Ultrasonic Assisted ◽  
Extraction Processes ◽  
Ultrasonic Assisted Extraction

In this study, bioactive compounds were extracted by ultrasonic-assisted extraction and classical extraction processes using distilled water as solvent from artichoke leaves which are considered as agricultural wastes. Antioxidant capacity, total phenolic and total flavonoid content values of the obtained bioactive extracts were determined, and extraction yields and times were evaluated to compare the extraction processes. Also, the optimum extraction conditions of ultrasonic-assisted extraction (extraction time and ultrasonic power) which provide the highest extraction yield were determined using D-optimal design by ‘desirability’ function approach. According to the results, bioactive extracts having high antioxidant capacity were obtained at shorter times and higher extraction yields were achieved by ultrasonic-assisted extraction process than classical extraction. The highest extraction yield was estimated as 98.46% with an application of 20.05 minutes of extraction time and 65.02% of ultrasonic amplitude for the ultrasonic-assisted extraction process.

Comparative Evaluation of Total Flavonoid Contents in Different Parts of Ficus microcarpa

2012 ◽  
Vol 560-561 ◽  
pp. 423-427
Author(s):  
Qiang Lin ◽  
Hao Yue Du ◽  
You Bin Liu ◽  
Yu Kai Chen ◽  
Jing Xu
Keyword(s):  
Extraction Yield ◽  
Total Flavonoid ◽  
Extraction Temperature ◽  
Assisted Extraction ◽  
Ultrasonic Assisted ◽  
Ficus Microcarpa ◽  
Ultrasonic Assisted Extraction ◽  
Pharmaceutical Properties ◽  
Solid Liquid ◽  
Different Parts

This study was designed to comparative evaluate total flavonoid contents (TFC) in leaf, aerial root, twig, root and bark parts of Ficus microcarpa L.f. (Moraceace). Ultrasonic-assisted extraction was adopted using benign solvent: ethanol and water to determine the extraction efficiency under the condition of ethanol concentration 40%, solid/liquid ratio of 1:25, extraction time 35 min and extraction temperature at 60 °C. According to the experimental results, the TFC values varied considerably and the extraction yield of 2.67±0.02%, 3.70±0.043%, 2.99±0.04%, 6.56±0.83% and 4.26±0.18% were obtained from different parts, respectively. The root part was characterized as containing a high amount of flavonoids, which might be the active compounds responsible for the pharmaceutical properties of the plant. The study offers theoretic basis for further utilization of the traditional folk herb F. microcarpa.

scholarly journals Optimization Ultrasonic Assisted Extraction (UAE) of Bioactive Compound and Antibacterial Potential from Sea Urchin (Diadema Setosum)

2020 ◽  
pp. 556-569
Author(s):  
Muhammad Yusuf ◽  
Nur Fitriani Usdyana Atthamid ◽  
Sri Indriati ◽  
Rahmawati Saleh ◽  
Mahyati Latief ◽  
...  
Keyword(s):  
Ethyl Acetate ◽  
Bioactive Compounds ◽  
Sea Urchin ◽  
Bioactive Compound ◽  
Ultrasound Assisted Extraction ◽  
Assisted Extraction ◽  
Ultrasonic Assisted ◽  
Ultrasonic Assisted Extraction ◽  
Ultrasound Assisted ◽  
Diadema Setosum

Sea urchins can be used in medicine, has potential as a new type of antibiotic to developed in the pharmaceutical field, which is rich in bioactive compounds as a steroid, triterpenoids, saponins, and antioxidant properties. Conventional extraction generally takes a long time, is less environmentally friendly, and potentially triggers bioactive compound damage, so it needs alternative methods such as Ultrasound-Assisted Extraction (UAE). The extracting technology, including ultrasonic-assisted extraction (UAE) and solvent variation (ethyl acetate and methanol) of bioactive compounds from sea urchin (Diadema setosum) were optimized and compared. The purpose of this study was to study the application of UAE and solvent variation methods for sea urchin extraction from the Barrang Lompo Island in South Sulawesi. Comparing the maceration and ultrasonic assisted extraction methods. Optimization of extraction with UAE was carried out on the variable of extraction duration and type of solvent. Gas Chromatography-Mass Spectrometry results show that ultrasound-assisted extraction generally produces compounds of CHOLEST-5-EN-3-OL (3. BETA.), palmitic acid, 9-Octadecenoic acid (Z) -, methyl ester, stearic acid, oleic acid, flavonoids, phenols, pentadecanoic acid and batilol and streoid, which has a function as an antioxidant, anti-inflammatory, anti-tumor, anti-cancer agents and antibacterial. The results showed the best results using ultrasound-assisted extraction with a duration of 30 minutes and using solvent ethyl acetate. These results implied that extracts obtained by sonication showed the highest bioactive compounds and antioxidant activity, thus proving that this activity depends directly on the antibacterial properties.

scholarly journals Enhanced Recovery of Phenolic and Tocopherolic Compounds from Walnut (Juglans Regia L.) Male Flowers Based on Process Optimization of Ultrasonic Assisted-Extraction: Phytochemical Profile and Biological Activities

Antioxidants ◽  
2021 ◽  
Vol 10 (4) ◽  
pp. 607
Author(s):  
Anca Pop ◽  
Ionel Fizeșan ◽  
Laurian Vlase ◽  
Marius Emil Rusu ◽  
Julien Cherfan ◽  
...  
Keyword(s):  
Water Content ◽  
Bioactive Compounds ◽  
Antioxidant Activities ◽  
Biological Activities ◽  
Juglans Regia ◽  
Total Tocopherol ◽  
Assisted Extraction ◽  
Ultrasonic Assisted ◽  
Ultrasonic Assisted Extraction ◽  
Male Flowers

The extraction of bioactive compounds present in walnut (Juglans regia L.) male flowers (WMFs) was performed based on an experimental design using ultrasonic-assisted extraction. Solvent nature, extraction time, and water content were selected as experimental variables, and phenolic, flavonoidic, and condensed tannins contents and antioxidant properties were evaluated. Acetone was the solvent with the highest extraction performance, with the extracts obtained using this solvent displaying an increased concentration of bioactive compounds and increased antioxidant activities. For several extracts with high bioactive content, individual polyphenolic and tocopherolic compounds were evaluated by means of LC-MS and LC-MS/MS. The best extraction conditions for polyphenolic (2.86 mg gallic acid equivalents/g WMF) and tocopherolic compounds (29.4 µg/g WMF) were acetone with 40% water content (N20) and acetone with 20% water content (N15), respectively. Although the total tocopherol concentrations were lower than in other Juglans regia parts, most of the total tocopherol quantity was provided by the highly biologically active δ-tocopherol (84%). Significant quantities of quercetin (101.9 µg/g), hyperoside (2662.9 µg/g), quercitrin (405.7 µg/g), and isoquercitrin (1293.7 µg/g) were determined in WMF (N20). Both extracts inhibited the enzymatic activity of α-glucosidase and tyrosinase; however, an increased inhibition was observed for N20, the extract with the higher polyphenolic content. Conversely, N15 had higher anticancerous activity on the cell lines used, with a moderate selectivity towards the cancerous phenotype being observed for both extracts. At non-cytotoxic concentrations, both extracts displayed good antioxidant activities in cellular cultures, decreasing basal and H2O2-induced oxidative stress. This is the first characterization of both hydrophilic and lipophilic phytochemicals in WMF extracts. The outcomes of our study reveal that walnut male flowers have strong biological activities, thus justifying further research to demonstrate their usefulness in the food, pharmaceutical, and/or cosmetic industries.

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