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KMID : 0861019990140020001
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Korea Journal of Herbology
1999 Volume.14 No. 2 p.1 ~ p.11
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Changes in the Carbohydrate Contents of Rehmanniae Radix during Processing
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施振國/Shih, Chen-Kyo
孫永宗/李映鍾/Son, Young-Jong/Lee, Young-Jong
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Abstract
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18 types of Rehmanniae Radix Preparatas, 9 types(from 1st to 9th steamed) of sun-dried and 9 types of oven-dried, were prepared, and the carbohydrates of Rehmanniae Radix Preparata was analized by HPLC. The results were :
1. The Rehmanniae Radix had several carbohydrates such as rhamnose, fucose, glucose, galactose, raffinose and stachyose, and the content of stachyose was the 71.5% of total carbohydrates.
2. In the course of the processing, the oligosaccharides, such as stachyose and rafiinose, were paridly degraded to melibiose and sucrose at first and second processing step.
3. Sucrose and melibiose gradually degraded with each additional processing.
4. The monosaccharides, such as rhamnose, fructose, glucose and galactose, was continuously degraded during the processing.
These results suggested that Rehmannia radix preparata sufficiently developed only during second processing.
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