Effect of processing methods on the concentrations of bioactive components of ginseng (Panax ginseng C.A. Meyer) adventitious roots |
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Authors: | Sun Ja Kim Hosakatte Niranjana Murthy Eun Joo Hahn Kee Yoeup Paek |
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Affiliation: | a Research Center for the Development of Advanced Horticultural Technology, Chungbuk National University, Cheongju 361-763, South Korea b Department of Botany, Karnatak University, Dharwad 580 003, India c Department of Food Sciences, Chungbuk National University, Cheongju 361-763, South Korea d Department of Urology, College of Medicine, Kyung Hee University, Seoul, South Korea |
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Abstract: | Adventitious roots of Korean mountain ginseng (Panax ginseng C.A. Meyer) were processed by using forced air drying methodology at 30, 50 and 70 °C for 1, 3, 5, 10 and 20 h with objective of developing suitable processing/drying technique. Drying of adventitious roots at 50 °C for 10 h was found suitable as desirable moisture content (3.13 g water/dry matter i.e. 10%) could be reached with dried roots. Roots which were dried by such treatment were also possessing higher amount of ginsenosides (1.5 mg g−1 DW triols, 15.9 mg g−1 DW diols and 17.4 mg g−1 DW of total ginsenosides) and phenolics. Adventitious roots were also processed by using far infrared and freeze drying methods and results revealed that forced air drying method is superior to far infrared and freeze drying methods. |
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Keywords: | Adventitious roots Forced air drying Far infrared drying Freeze drying Ginseng Ginsenosides |
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