Study on Flavonoids from the Peony Leaves by Ultrasonic Extraction

2011 ◽  
Vol 236-238 ◽  
pp. 2250-2254 ◽  
Author(s):  
Fang Fang Shan ◽  
Hao Guo Tang ◽  
Yan Long Wang ◽  
Mi Mi Guo
Keyword(s):  
Ultrasonic Extraction ◽  
Ultrasonic Power ◽  
Optimum Conditions ◽  
Liquid Ratio ◽  
Orthogonal Factor ◽  
Ultrasonic Time ◽  
Optimum Technology ◽  
Solid Liquid

The extraction of flavonoids from peony leaves was studied recently. We carried out a research on the optimum technology of extracting flavonoids by single and orthogonal factor experiment. Finally we found the optimum conditions were: the ultrasonic temperature is 60 degrees, the ultrasonic time is 20min, the ultrasonic power is 600w, solid-liquid ratio is 1:25. Under this condition, the yield of flavonoids was 1.47% and the content was 8.34%.

Ultrasonic Extraction Chuanxiong Polysaccharide of Influencing Factors

2012 ◽  
Vol 550-553 ◽  
pp. 1071-1075
Author(s):  
Yong Guang Bi ◽  
Chun Chun Liu
Keyword(s):  
Influencing Factors ◽  
Extraction Process ◽  
Extraction Rate ◽  
Ultrasonic Extraction ◽  
Ultrasonic Power ◽  
Extraction Temperature ◽  
Liquid Ratio ◽  
Ultrasonic Time ◽  
Solid Liquid

In order to study the the Chuanxiong polysaccharide ultrasonic extraction process, examine the ultrasonic time, ultrasonic power, solid-liquid ratio and extraction temperature on the Chuanxiong polysaccharide extract rate. The results show that the role of time at 30min Polysaccharide better, the extraction rate is 26.63%. when the ultrasonic power is 320W, Polysaccharide extraction rate is 26.15%.When the solid-liquid ratio is 1:20, polysaccharide extraction rate is 27.73%. When the extraction temperature is 60°C, the polysaccharide extraction rate is 27.73%.

Application of Ultrasonic Technology to Tea Saponin Extraction

2013 ◽  
Vol 781-784 ◽  
pp. 1923-1927
Author(s):  
Yu Qiong Wu ◽  
Wei Dong Man
Keyword(s):  
Ethanol Concentration ◽  
Ultrasonic Extraction ◽  
Ultrasonic Frequency ◽  
Ultrasonic Power ◽  
Extraction Temperature ◽  
Liquid Ratio ◽  
Tea Saponin ◽  
Ultrasonic Technology ◽  
Ultrasonic Time ◽  
Solid Liquid

Commercial crude tea saponin as raw material, the effect of ultrasonic technology on tea saponin extraction was investigated. Ethanol was selected as the suitable extraction solvent. The six single factors including ethanol concentration, solid-liquid ratio, ultrasonic time, ultrasonic power, ultrasonic frequency and ultrasonic extraction temperature were studied. The four factors of ethanol concentration, solid-liquid ratio, ultrasonic time, ultrasonic temperature were mainly studied by designing orthogonal experimental. The results show that tea saponin content increases from 48.57% to 90.21% under optimum conditions of ethanol concentration 90% (mL/mL), ultrasonic extraction temperature 40 °C, solid-liquid ratio 1:9, ultrasonic extraction time 40 min. The result indicates that the content of the tea saponin could be effectively improved through the ultrasonic technology.

Extraction of Polysaccharides from Pumpkin by Ultrasonic Method and it’s Primary Antioxidant Activities Research

2011 ◽  
Vol 183-185 ◽  
pp. 1970-1974
Author(s):  
Jie Sun ◽  
Guo You Yin ◽  
Hua Zhang ◽  
Lan Ying Chen ◽  
Chang Zheng Hu
Keyword(s):  
Antioxidant Activities ◽  
Ultrasonic Method ◽  
Dependent Manner ◽  
Ultrasonic Power ◽  
Liquid Ratio ◽  
Optimum Parameters ◽  
Ultrasonic Time ◽  
Total Antioxidant ◽  
Primary Antioxidant ◽  
Solid Liquid

In this study, effects of ultrasound processing time, ultrasound power and solid liquid ratio of ultrasonic on pumpkin polysaccharide extraction were investigated. The optimum parameters of extracting pumpkin polysaccharides are obtained by orthogonal test. Antioxidant activity were evaluated by using various established invitro systems, including 1,1-diphenyl-2-picrylhydrazylthe(DPPH•), hydroxyl(•OH) and FRAP system. Results showed that the extraction rate of polysaccharides pumpkin could up to 12.37% which the condition were water as extractant, ultrasonic time is 10min, ultrasonic power is 400w, solid to liquid ratio is 1:20. The polysaccharide raised the total antioxidant capacity in a dose-dependent manner. The results suggested that polysaccharide had direct and potent antioxidant activities.

Preliminary Research on Extract Ferulic Acid from Wheat Bran by Ultrasonic-Assisted Alkaline-Alcohol Hydrolysis

2011 ◽  
Vol 361-363 ◽  
pp. 753-758
Author(s):  
Shu Xing Liu ◽  
Bei Wang
Keyword(s):  
Ferulic Acid ◽  
Wheat Bran ◽  
Volume Ratio ◽  
Extraction Yield ◽  
Ultrasonic Power ◽  
Optimum Conditions ◽  
Liquid Ratio ◽  
Ultrasonic Time ◽  
Ultrasonic Assisted ◽  
Acid Release

Extracting Ferulic Acid from wheat bran by ultrasonic-assisted alkaline-alcohol hydrolysis.Bran removed part of starch and protein by amylase and protease,using ultrasonic and different concentrations of alkaline-alcohol solution to prepare ferulic acid,and then based on the yield of ferulic acid release from wheat bran to determine optimal preparation condition.The optimum conditions are:the concentration of sodium hydroxide 4%,alkaline-alcohol volume ratio of 2:1,ultrasonic temperature 80°C,ultrasonic power 200w,solid-to-liquid ratio 1:12,ultrasonic time of 30min,under this conditions the average extraction yield is 3.1mg/g

Study on the Ultrasonic Extraction of Polysaccharides of Barley Rice

2014 ◽  
Vol 513-517 ◽  
pp. 332-335
Author(s):  
Yong Guang Bi ◽  
Yu Min Li
Keyword(s):  
Extraction Methods ◽  
Extraction Yield ◽  
Ultrasonic Extraction ◽  
Ultrasonic Power ◽  
Extraction Temperature ◽  
Upward Trend ◽  
Coix Seed ◽  
Ultrasonic Time ◽  
Solid Liquid

The paper discusses the role of ultrasonic time, ultrasonic power, solid-liquid ratio and extraction temperature on the extraction yield of coix seed, the results show that: with the increase of extraction time, extraction temperature with increasing rates of coix seed polysaccharides upward trend, coix seed polysaccharides first increased and then decreased with the increase of the amount of solvent, coix seed polysaccharides and first increased and then leveled off with the ultrasonic power increases, coix seed polysaccharides first increased and then decreased. Compared with conventional extraction methods, ultrasonic extraction of polysaccharides coix seed is fast, solvent savings, save time, extraction rate and so on.

Study on Extracting Technology of Vc from Momordica charantia

2013 ◽  
Vol 781-784 ◽  
pp. 606-609
Author(s):  
Chen Guang Jiang ◽  
Qing Jie Tang
Keyword(s):  
Extraction Yield ◽  
Orthogonal Test ◽  
Ultrasonic Extraction ◽  
Ultrasonic Power ◽  
Extraction Temperature ◽  
Liquid Ratio ◽  
Technological Parameters ◽  
Test Analysis ◽  
Solid Liquid ◽  
Temperature Time

Balsam pear was used as the research object in experiment, the technological parameters were studied such as the way of crushing, leaching agent type and its concentration, solid-liquid ratio, ultrasonic extraction temperature, time, power's influence on the extraction yield of Vc, and the ultrasonic extraction time, temperature, ultrasonic power on the L9 (34) orthogonal test analysis. Results showed that bitter melon slices, and solid-liquid ratio is 1:7, citric acid as leaching agent and the concentration of 1%, ultrasonic power is 80 w, leaching temperature 30 °C, 40 min leaching time, leaching of balsam pear Vc the highest rate.

Optimization of Ultrasonic Extraction Technique of Proanthocyanidin from Peanut Skin

2010 ◽  
Vol 156-157 ◽  
pp. 778-784 ◽  
Author(s):  
Zhi Qiang Liu ◽  
Qing Li Yang ◽  
Chu Shu Zhang ◽  
Jie Sun ◽  
Yan Zhang ◽  
...  
Keyword(s):  
Orthogonal Test ◽  
Ultrasonic Extraction ◽  
Test Method ◽  
Ultrasonic Power ◽  
Liquid Ratio ◽  
Peanut Skin ◽  
Five Factors ◽  
Orthogonal Test Method ◽  
Solid Liquid ◽  
Optimum Extraction

Orthogonal test method was applied to optimize the ultrasonic extraction of proanthocyanidin from peanut skin. On the basis of single factor test, the influencing factors of extraction power, temperature, time, solid-liquid ratio, ethanol concentrationultrasonic frequencies were determined by orthogonal test method with five factors and four levels in the ultrasonic frequency of 28 KHz. The results of the orthogonal test showed , the effects of five factors on ultrasonic extraction of proanthocyanidin from peanut skin were listed in the order of importance as: solid-liquid radio > ultrasonic power > time > temperature > ethanol, the optimum extraction conditions were as follows: ultrasonic output power 120W , extraction temperature 35°C, extraction time 5 min, solid-liquid ratio 1:24, ethanol concentration 55%.Under the optimum extraction, the extraction rate of proanthocyanidin was 12.1%.

Optimization of Extracting Condition of Active Components in Perilla by Ultrasonic

2014 ◽  
Vol 1033-1034 ◽  
pp. 713-716
Author(s):  
Dan Huang ◽  
You Qing Liu ◽  
Yuan Liang ◽  
Xiang Mao
Keyword(s):  
Rosmarinic Acid ◽  
Extraction Rate ◽  
Ultrasonic Power ◽  
Single Factor ◽  
Liquid Ratio ◽  
Active Components ◽  
Extraction Technology ◽  
Extraction Solvent ◽  
Solid Liquid ◽  
Temperature Time

Using ultrasonic-extraction technology, the condition of extracting the active compounds-flavonoids and rosmarinic acid ofPerillawas studied. The effects of four main factors include ultrasonic power, temperature, time and solid-liquid ratio on the extraction-rate of the flavonoids and the rosmarinic acid ofPerillawere reviewed by single factor experiments,and the flavonoids and the rosmarinic acid was determined by NaNO2-Al (NO3)3-NaOH method and FeSO4method. On the base of single factor experiments, the extraction technique was optimized in the orthogonal test. The result showed that temperature was the most important factor in the influencing factors on the extraction-rate. The subsequence of importance was temperature > time > solid-liquid ratio > ultrasonic. The optimal extraction conditions were: extraction solvent 3%borax, solid-liquid ratio 1:50(w/v), ultrasonic power 300W, time 90min , temperature 75°C. Under the optimum technological conditions, 34.64mg/g of flavonoids and rosmarinic acid fromPerillacould be obtained.

Optimization of Ultrasound Extraction of Nitrite Nitrogen in Sediment by Response Surface Methodology

2014 ◽  
Vol 955-959 ◽  
pp. 1466-1470 ◽  
Author(s):  
Dan Liu ◽  
Fang Yu ◽  
Wei Tan ◽  
Gui Zhen Li ◽  
Min Yang ◽  
...  
Keyword(s):  
Response Surface Methodology ◽  
Optimum Condition ◽  
Response Surface ◽  
Process Condition ◽  
Extraction Time ◽  
Ultrasonic Power ◽  
Liquid Ratio ◽  
Ultrasound Extraction ◽  
Nitrite Nitrogen ◽  
Solid Liquid

Response surface methodology based on single factors was used to optimize the process condition for extraction of nitrite nitrogen in sediment . The results indicated that the extraction amount of nitrite nitrogen was 9.5μg /g under the optimum condition of extraction time of 44min, ultrasonic power of 280W, solid-liquid ratio of 1:19,which was closed to the predicated yield of 9.3μg/g. The process can be used for the extraction of nitrite nitrogen in sediments.

Optimization of the Ultrasonic Wave-Assisted Extraction Condition of Peanut Protein Isolate

2011 ◽  
Vol 189-193 ◽  
pp. 3904-3911 ◽  
Author(s):  
Hui Cui Zhang ◽  
Lin Tang ◽  
Qing Li Yang
Keyword(s):  
Ultrasonic Wave ◽  
Protein Isolate ◽  
Extraction Yield ◽  
Peanut Protein ◽  
Ultrasonic Power ◽  
Liquid Ratio ◽  
Extraction Condition ◽  
Peanut Protein Isolate ◽  
Assisted Extraction ◽  
Ultrasonic Time

Ultrasonic Wave was used to assist alkali extraction and acid precipitation of peanut protein isolate from defatted peanut powder. Based on the single factor test, the response surface analysis results shows that the Ultrasonic Wave-assisted Extraction condition is: ultrasonic power 210W, ultrasonic time 30min, ultrasonic temperature 40°C ,solid to liquid ratio 1:10.7, and under this improved condition the extraction yield could reach 80.09%.

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