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Effect of Saponin Content and Antioxidant Activities of Platycodon grandiflorum Radix by Cutting Length
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 Title & Authors
Effect of Saponin Content and Antioxidant Activities of Platycodon grandiflorum Radix by Cutting Length
Lee, Byung Jin; Jeon, Seung Ho; No, Il Rae; Kim, Young Guk; Cho, Young Son;
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Background : Platycodon grandiflorum radix used as a therapeutic agent for lung and respiratory diseases in traditional Korean medicine. The saponin and sugar content in P. grandiflorum root is dependent on the drying temperature and method. In this study, we investigated saponins and antioxidant contents in dried P. grandiflorum roots either not cut or cut to different lengths. Methods and Results : P. grandiflorum roots were either cut to 0.5, 1.0 or 2.0 cm in length or left uncut. They were dried at and the effect of antioxidant substances, antioxidant ability, and saponin content were investigated. P. grandiflorum roots rapidly dried out when cut to short lengths. The saponin contents (platycodin D, polygalacin D, and deapioplatycodin D) was highest in the uncut P. grandiflorum roots. When the cut lengths were long, the levels of polyphenolic compound increased. However, 2,2`-azinobis-3-ethylbenzo-thiazoline-6-sulfonic acid (ABTS) and 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activities were higher in the samples cut to shorter lengths. Conclusions : These results suggested that the saponin and antioxidant content of P. grandiflorum roots could be maximized by controlling the drying rate of the roots via adjustments to the root cutting length.
Platycodon grandiflorum;Antioxidant;ABTS Radical;DPPH Radical;Saponin;
 Cited by
당뇨를 유도한 동물모델에서 지유 추출물의 항산화 활성,조진하;배은영;이태경;김명현;이승웅;김병수;임치환;

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