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Information Journal Paper

Title

Effects of Microwave-Assisted Extraction Parameters on the Recovery Yield and Total Phenolic Content of Vernonia amygdalina Leaf Extracts with Different Methods of Drying

Pages

  0-0

Abstract

 Vernonia amygdalina leaf has a significant importance in food and traditional medicine. It has been reported to possess various pharmacological effects. This study was carried out to investigate the influence of microwave-assisted Extraction factors on the Extraction from V. amygdalina leaves. The results highlighted that an increase in temperature deteriorated the Yields of V. amygdalina leaf. Thus, shade-dried samples gave the highest Yields at the irradiation times of 10 and 2 min, microwave power of 500 and 600 W, the temperature of 100 and 80° C, the feed-to-solvent ratio of 1: 10, and ethanol concentration of 60% v/v using water and ethanol as the extracting solvents, respectively. Likewise, the Antioxidant assay resulted in IC50 values of 260 1. 1  g/mL DPPH and 149. 78 0. 81 g/mL ABTS for water and 204 0. 92 g/mL DPPH and 31. 17 1. 4 g/mL ABTS for ethanol. Therefore, the synergistic mechanism of mass and heat transfer may be accounted for the accelerated Extraction due to microwave energy.

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    APA: Copy

    Alara, Oluwaseun Ruth, Abdurahman, Nour Hamid, Abdul Mudalip, Siti Kholijah, & Olalere, Olusegun Abayomi. (2019). Effects of Microwave-Assisted Extraction Parameters on the Recovery Yield and Total Phenolic Content of Vernonia amygdalina Leaf Extracts with Different Methods of Drying. JUNDISHAPUR JOURNAL OF NATURAL PHARMACEUTICAL PRODUCTS, 14(1), 0-0. SID. https://sid.ir/paper/743188/en

    Vancouver: Copy

    Alara Oluwaseun Ruth, Abdurahman Nour Hamid, Abdul Mudalip Siti Kholijah, Olalere Olusegun Abayomi. Effects of Microwave-Assisted Extraction Parameters on the Recovery Yield and Total Phenolic Content of Vernonia amygdalina Leaf Extracts with Different Methods of Drying. JUNDISHAPUR JOURNAL OF NATURAL PHARMACEUTICAL PRODUCTS[Internet]. 2019;14(1):0-0. Available from: https://sid.ir/paper/743188/en

    IEEE: Copy

    Oluwaseun Ruth Alara, Nour Hamid Abdurahman, Siti Kholijah Abdul Mudalip, and Olusegun Abayomi Olalere, “Effects of Microwave-Assisted Extraction Parameters on the Recovery Yield and Total Phenolic Content of Vernonia amygdalina Leaf Extracts with Different Methods of Drying,” JUNDISHAPUR JOURNAL OF NATURAL PHARMACEUTICAL PRODUCTS, vol. 14, no. 1, pp. 0–0, 2019, [Online]. Available: https://sid.ir/paper/743188/en

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