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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Mane, Shon Bremner, David H. Tziboula-Clarke, Athina Lemos, M. Adília |
| Description | Country affiliation: United kingdom Author Affiliation: Mane S ( Food and Life Sciences, School of Science, Engineering & Technology, Abertay University, Dundee DD1 1HG, UK.); Bremner DH ( Computing and Forensic Science, School of Science, Engineering & Technology, Abertay University, Dundee DD1 1HG, UK.); Tziboula-Clarke A ( Food and Life Sciences, School of Science, Engineering & Technology, Abertay University, Dundee DD1 1HG, UK.); Lemos MA ( Food and Life Sciences, School of Science, Engineering & Technology, Abertay University, Dundee DD1 1HG, UK. Electronic address: a.lemos@abertay.ac.uk.) |
| Abstract | This study examined anthocyanin extraction using the application of ultrasound to raw freeze dried, microwaved and raw sliced Purple Majesty potato, a new pigmented potato variety rich in anthocyanins. A 20 kHz probe was used for the sonication at 3 different amplitudes (30%, 50% and 70%) and ethanol in water at different ratios (50:50 and 70:30 v/v) was used for the extraction. Anthocyanin extraction from raw freeze dried purple potato was optimal at an ethanol:water ratio (70:30; v/v) after 5 min of ultrasonication, while the least amount of anthocyanins was extracted from raw sliced potatoes. The application of microwaves (as a pre-treatment) before the UAE resulted in an increase in the amount of anthocyanins extracted and a decrease in the amount of solvent used. Analysis of variance showed that potato form, ultrasonication time, ultrasonication amplitude and solvent ratio as well as two and three way interactions between some of these factors had a very significant effect (p<0.000) on the amount of anthocyanins extracted. |
| File Format | HTM / HTML |
| ISSN | 13504177 |
| Volume Number | 27 |
| e-ISSN | 18732828 |
| Journal | Ultrasonics Sonochemistry |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2015-11-01 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Diagnostic Imaging Anthocyanins Isolation & Purification Chemical Fractionation Methods Solanum Tuberosum Chemistry Ultrasonic Waves Cryopreservation Ethanol Microwaves Solvents Time Factors Water Journal Article |
| Content Type | Text |
| Resource Type | Article |
| Subject | Organic Chemistry Environmental Chemistry Acoustics and Ultrasonics Radiology, Nuclear Medicine and Imaging Chemical Engineering Inorganic Chemistry |
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