Abstract
This study was carried out to utilize the byproducts (flower, immature and mature berry, leaf and stem) of ginseng. Yield of byproducts were 32.7 ± 9.8 g in flower, 68.2 ± 2.2 g in immature berry, 48.5 ± 4.3 g in mature berry, 316.2 ± 20.5 g in leaf, and 296.6 ± 15.4 g in stem per 3.3㎡ (180 × 90 ㎝, ginseng root 675.5 ± 35.7 g/drybasis). The total saponin contents of ginseng byproducts and root are 52.36 ± 1.24, 68.71 ± 1.98, 168.89 ± 0.57, 68.26 ± 1.32, 7.85 ± 0.61 and 35.08 ± 0.96 ㎎/g, respectively. The main ginsenoside of all byproducts was Re and the highest content was 132.23 ± 1.56 ㎎/ g in mature berry. But flower and berry was not detected Rf and Rh1, respectively. Total polyphenolic compound content on mature berry was the highest, 2.242 ± 0.140%, after, immature berry > leaf > flower > root > stem order. The DPPH radical scavenging activity on mature berry was the highest, 0.115 ± 0.004 ㎎/mL(IC50), and the others were the same order of polyphenolic compound and ginsenoside content on byproducts.
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