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Optimization of Solar Drying of Blanched and Unblanched Aerial Yam using Response Surface Methodology

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Optimization of Solar Drying of Blanched and Unblanched Aerial Yam using Response Surface Methodology


Emmanuel C. Nwadike. | Matthew N. Abonyi. | Joseph T. Nwabanne. | Pascal E. Ohale



Emmanuel C. Nwadike. | Matthew N. Abonyi. | Joseph T. Nwabanne. | Pascal E. Ohale "Optimization of Solar Drying of Blanched and Unblanched Aerial Yam using Response Surface Methodology" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-4 | Issue-3, April 2020, pp.659-666, URL: https://www.ijtsrd.com/papers/ijtsrd30598.pdf

This paper focuses on the application of response surface methodology (RSM) for the modelling and optimization of unblanched and blanched aerial yam drying using solar dryer. Mass in gram of the sample, slice thickness of the sample, and the airspeed of dryer are the independent variables considered, while the response of interest is the moisture content. RSM via central composite design (CCD) was used to optimize the variables of interest, while artificial neural network was used to validate the result. The result showed that a second order polynomial regression model could convincingly interpret the drying process of the aerial yam. A coefficient of determination (R2) value of 0.9991 and 0.9828, model F-value of 1186.03 and 60.75 for unblanched and blanched aerial yam respectively were obtained. P-value (< 0.0001), and low value of coefficient of variation (2.43 and 9.75 % for unblanched and blanched sample) indicated the fitness of the model. The optimum process variable obtained were 71 g, 3.2 mm and 1.5 m/s, and 70 g, 3.0 mm and 1.5 m/s for blanched and unblanched sample, respectively.

Aerial yam, solar dryer, drying, optimization, Unblanched, Blanching


IJTSRD30598
Volume-4 | Issue-3, April 2020
659-666
IJTSRD | www.ijtsrd.com | E-ISSN 2456-6470
Copyright © 2019 by author(s) and International Journal of Trend in Scientific Research and Development Journal. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (http://creativecommons.org/licenses/by/4.0)

International Journal of Trend in Scientific Research and Development - IJTSRD having online ISSN 2456-6470. IJTSRD is a leading Open Access, Peer-Reviewed International Journal which provides rapid publication of your research articles and aims to promote the theory and practice along with knowledge sharing between researchers, developers, engineers, students, and practitioners working in and around the world in many areas like Sciences, Technology, Innovation, Engineering, Agriculture, Management and many more and it is recommended by all Universities, review articles and short communications in all subjects. IJTSRD running an International Journal who are proving quality publication of peer reviewed and refereed international journals from diverse fields that emphasizes new research, development and their applications. IJTSRD provides an online access to exchange your research work, technical notes & surveying results among professionals throughout the world in e-journals. IJTSRD is a fastest growing and dynamic professional organization. The aim of this organization is to provide access not only to world class research resources, but through its professionals aim to bring in a significant transformation in the real of open access journals and online publishing.

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