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http://dx.doi.org/10.9713/kcer.2014.52.5.587

Control of Steaming Process for the Production of High Quality Red Ginseng  

Kim, Sin (Department of Chemical Engineering, Kyungpook National University)
Na, Younghoon (Department of Chemical Engineering, Kyungpook National University)
Lee, Jietae (Department of Chemical Engineering, Kyungpook National University)
Cho, Wonhui (enGibbs)
Publication Information
Korean Chemical Engineering Research / v.52, no.5, 2014 , pp. 587-591 More about this Journal
Abstract
Experiments for a control method that enhances the yield to produce high quality red ginsengs have been performed. In the first steaming process of a series of processes to produce red ginsengs from raw ginsengs, there occur several undesirable defects on ginsengs such as cracks of ginseng body, inside cavity and inside white. These defects lead to deterioration in product qualities. Therefore an improved control method that minimizes these undesirable defects is needed in order to increase the yield of high quality red ginsengs. Until these days, the steaming process control methods such as controlling the steaming temperature and/or pressure have been studied. However, such control methods are not adequate enough to minimize the undesirable defects in steamed ginsengs. On the other hand, in this experiment, we suggest a control method that minimizes the undesirable defects through a weight control of steamed ginsengs, keeping the steaming temperature at $96{\sim}99^{\circ}C$ as usual. Experiments with the weight control show that amount of cracks on the steamed ginseng body can be reduced.
Keywords
Red Ginseng; Steaming Process; Weight Control; On-Off Control; PI Control;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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