Chemical Components, DPPH Radical Scavenging Activity and Inhibitory Effects on Nitric Oxide Production in Allium hookeri Cultivated under Open Field and Greenhouse Conditions
2013
Won, J.Y., Joongbu University, Chungnam, Republic of Korea | Yoo, Y.C., Konyang University, Daejeon, Republic of Korea | Kang, E.J., Konyang University, Daejeon, Republic of Korea | Yang, H., Konyang University, Daejeon, Republic of Korea | Kim, G.H., CNARES, Chungnam, Republic of Korea | Seong, B.J., CNARES, Chungnam, Republic of Korea | Kim, S.I., CNARES, Chungnam, Republic of Korea | Han, S.H., CNARES, Chungnam, Republic of Korea | Lee, S.S. | Lee, K.S.
To enhance the utilization of Allium hookeri (AH) as a food, characteristics of AH roots and leaves cultivated under open field and greenhouse conditions were investigated. The moisture content of the roots and leaves were 81.05 to 84.18% and 88.85 to 90.12%, respectively. The moisture content of AH cultivated in the open field was 2 to 3% lower than the moisture content of AH cultivated in the greenhouse for both roots and leaves. The content of nitrogen-free extract, carbohydrates, was 13.49 to 16.20% in the roots and 7.08 to 7.79% in the leaves. The main mineral generated from both open field and greenhouse cultivation was potassium, at 503.98 to 512.08 mg% in leaves. The free sugar content of roots cultivated in the open field was four times higher than the content in the leaves, and roots cultivated in the greenhouse contained three times lower free sugar than the leaves. In particular, the fructose content of roots cultivated in the open field was about 12 times higher than roots cultivated in the greenhouse. The crude saponin and total polyphenol content was higher in leaves than roots, and was higher in the open field than the greenhouse. The IC50 for DPPH radical scavenging activity was highest, 2.74 mg/mL, in 70% MeOH extracts of AH leaves cultivated in the greenhouse. Water and 70% MeOH extracts of AH leaves cultivated in the greenhouse showed no cytotoxicity to RAW 264.7 cells. Water extracts of AH leaves cultivated in the open field markedly inhibited the production of the inflammatory mediator nitric oxide. These results suggest that AH may be used as the material of health functional food.
显示更多 [+] 显示较少 [-]