Retracted: Optimization of Ultrasound-Assisted Extraction of Natural Pigments from Amaranthus tricolor L Leaves

The above article, published online on 27 March 2015 in Wiley Online Library (wileyonlinelibrary.com), has been retracted by agreement between the journal Editors in Chief, Charles Brennan and Brijesh K. Tiwari, and Wiley Periodicals, Inc. The retraction has been agreed due to evidence indicating that the peer review of this paper was compromised. It is believed that the paper was accepted based on recommendations from reviewers not suitably qualified. Reference Prakash Maran, J. and Priya, B. 2015. Optimization of ultrasound-assisted extraction of natural pigments from Amaranthus tricolor L Leaves. J. Food Process. Preserv. 39, 2314–2321. doi: 10.1111/jfpp.12478.

[1]  Navin K. Rastogi,et al.  Opportunities and Challenges in Application of Ultrasound in Food Processing , 2011, Critical reviews in food science and nutrition.

[2]  Tian Ding,et al.  Effects of ultrasound and/or heating on the extraction of pectin from grapefruit peel , 2014 .

[3]  J. Maran,et al.  Modeling of ultrasound assisted intensification of biodiesel production from neem (Azadirachta indica) oil using response surface methodology and artificial neural network , 2015 .

[4]  Weiwei Zhai,et al.  Optimization of microwave-assisted extraction of anthocyanins from purple corn (Zea mays L.) cob and identification with HPLC–MS , 2010 .

[5]  Sunil Kumar,et al.  Application of Box-Benhken experimental design for optimization of laccase production by Coriolus versicolor MTCC138 in solid-state fermentation , 2008 .

[6]  Xinsheng Wang,et al.  Ultrasound-assisted extraction of geniposide from Gardenia jasminoides. , 2012, Ultrasonics sonochemistry.

[7]  I. G. Moorthy,et al.  Response surface optimization of ultrasound assisted extraction of pectin from pomegranate peel. , 2015, International journal of biological macromolecules.

[8]  J. Maran Statistical optimization of aqueous extraction of pectin from waste durian rinds. , 2015, International journal of biological macromolecules.

[9]  R. Sun,et al.  Comparative study of lignins isolated by alkali and ultrasound-assisted alkali extractions from wheat straw. , 2002, Ultrasonics sonochemistry.

[10]  M. Al-Dosari The effectiveness of ethanolic extract of Amaranthus tricolor L.: A natural hepatoprotective agent. , 2010, The American journal of Chinese medicine.

[11]  R. Visvanathan,et al.  Microencapsulation of garlic oleoresin using maltodextrin as wall material by spray drying technology. , 2015, International journal of biological macromolecules.

[12]  H. Corke,et al.  Characterization and application of betalain pigments from plants of the Amaranthaceae , 2005 .

[13]  B. Gupta,et al.  Application of guar gum as a flocculant aid in food processing and potable water treatment , 2005 .

[14]  J. Jayalakshmi,et al.  Microwave-assisted extraction of pectic polysaccharide from waste mango peel. , 2015, Carbohydrate polymers.

[15]  M. D. Luque de Castro,et al.  Ultrasound: a powerful tool for leaching , 2003 .

[16]  M. M. Youssef,et al.  Applications of ultrasound in analysis, processing and quality control of food: A review , 2012 .

[17]  C. Yin,et al.  Extraction optimisation, purification and major antioxidant component of red pigments extracted from Camellia japonica. , 2011, Food chemistry.

[18]  J. Maran,et al.  Extraction of natural anthocyanin and colors from pulp of jamun fruit , 2014, Journal of Food Science and Technology.

[19]  J. Maran,et al.  Modeling and optimization of betalain extraction from Opuntia ficus-indica using Box–Behnken design with desirability function , 2013 .

[20]  J. Maran,et al.  Supercritical fluid extraction of oil from muskmelon (Cucumis melo) seeds , 2015 .

[21]  J. Prakash Maran,et al.  Process variables influence on microwave assisted extraction of pectin from waste Carcia papaya L. peel. , 2015, International journal of biological macromolecules.

[22]  Di Wu,et al.  Ultrasound-assisted extraction of phenolics from wine lees: modeling, optimization and stability of extracts during storage. , 2014, Ultrasonics sonochemistry.

[23]  J. Maran,et al.  Ultrasound-assisted extraction of pectin from sisal waste. , 2015, Carbohydrate polymers.

[24]  Yongyue Sun,et al.  ULTRASONIC EXTRACTION OF FERULIC ACID FROM Angelica sinensis , 2009 .

[25]  H. Corke,et al.  Identification and distribution of simple and acylated betacyanins in the Amaranthaceae. , 2001, Journal of agricultural and food chemistry.

[26]  M Vinatoru,et al.  An overview of the ultrasonically assisted extraction of bioactive principles from herbs. , 2001, Ultrasonics sonochemistry.

[27]  J. Maran,et al.  Response surface modeling and optimization of process parameters for aqueous extraction of pigments from prickly pear (Opuntia ficus-indica) fruit , 2012 .

[28]  Charis M. Galanakis Emerging technologies for the production of nutraceuticals from agricultural by-products: A viewpoint of opportunities and challenges , 2013 .

[29]  A. Ebringerová,et al.  An overview on the application of ultrasound in extraction, separation and purification of plant polysaccharides , 2010 .

[30]  H. Kapoor,et al.  Purification, characterization and cloning of antiviral/ribosome inactivating protein from Amaranthus tricolor leaves. , 2006, Phytochemistry.

[31]  B. Jayaprakasam,et al.  Tumor cell proliferation and cyclooxygenase enzyme inhibitory compounds in Amaranthus tricolor. , 2004, Journal of agricultural and food chemistry.

[32]  Zhiqing Huang,et al.  Isolation and characterization of melanin from Osmanthus fragrans’ seeds , 2006 .

[33]  J. Capelo,et al.  Comparison of ultrasound-assisted extraction and microwave-assisted digestion for determination of magnesium, manganese and zinc in plant samples by flame atomic absorption spectrometry. , 2000, Talanta.

[34]  J. Maran,et al.  Optimization of ultrasound-assisted extraction of natural pigments from Bougainvillea glabra flowers , 2015 .