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유황시비처리가 열무의 Quinone Reductase 유도물질 생성에 미치는 영향
김경아(Kyung-A Kim),노치웅(Chi-Woong Rho),최경락(Kyung-Rak Choi),황해준(Hae-Jun Hwang),최혜선(Hye-Seon Choi) 한국식품영양과학회 2004 한국식품영양과학회지 Vol.33 No.6
본 연구는 열무에서 다른 십자화과 식물에서 발견되는 sulforaphane 유사물질의 분획과 quinone reductase inducing activity를 측정하였고 열무생육시 유황을 첨가해 주면 이러한 활성이 현저히 증가되는 것을 보았다. Sulforaphane 유사 물질의 분획은 유황을 토양에 1,818 g/㎥ 첨가시 가장 높았고, 열무의 생산성을 고려하여 토양을 석회로 중화시켰을 때 감소되었다. 유황을 처리하여 키운 열무에 생리활성성분을 가진 유황화합물이 증가되므로 이러한 열무는 생체에 섭취시 detoxification enzyme을 유도하여 암발생을 지연시키거나 낮출 수 있는 chemoprevention의 효율이 기대된다. Young radishes which were grown in the soil containing sulfur increased quinine reductase (QR) activity in Hepa 1c1c cells and isothiocyanate-like compound analyzed by HPLC. QR inducing activity was maximum in young radishes grown with 1,818 g/㎥ sulfur and was decreased when the soil was neutralized with lime mortar in order to improve a recovery. These results have suggested that consumption of young radishes, especially grown in the presence of sulfur, would prevent from cancer incidence through inducing detoxification enzymes and could have therapeutic effects for chemoprevention.
Bak, Soon-Sun,Kong, Chang-Suk,Rhee, Sook-Hee,Rho, Chi-Woong,Kim, Nak-Ku,Choi, Keyng-Lag,Park, Kun-Young The Korean Society of Food Science and Nutrition 2006 Preventive Nutrition and Food Science Vol.11 No.3
Young radishes (YR, yeolmu in Korean) were cultivated in soil with and without sulfur. Control YR-kimchi and sulfur YR-kimchi were prepared using the young radishes cultivated in the soil without and with 1,818 $g/m^3$ sulfur, respectively. Fermentation of the YR-kimchis were conducted at $5^{\circ}C$ for 6 weeks. The control and sulfur YR-kimchis were reached pH 4.39 and pH 4.31 with 0.98% and 1.04% acidity at 5 weeks, respectively. At a higher concentration of 20 ${\mu}L/assay$, the sulfur YR-kimchi juice exhibited higher inhibitory effects (84%) on the growth of HT-29 human colon cancer cells than the control YR-kimchi (57%). Methanol extract from the YR-kimchis also led to similar results to those of the juices. In the inhibition study by hematocytometer, YR-kimchis inhibited the growth of cells in a time-dependent manner. Sulfur YR-kimchi induced apoptosis as determined by 4,6-diamidino-2-phenylindole (DAPI) staining and decreased Bcl-2 expression of active anticancer compounds, when compared to the control YR-kimchi. These results suggested that preparing kimchi using YR cultivated in the presence of sulfur, which can help to synthesize active compounds, could increase the anti-cancer activity of sulfur YR-kimchi.
Bak, Soon-Sun,Kong, Chang-Suk,Rhee, Sook-Hee,Rho, Chi-Woong,Kim, Nak-Ku,Choi, Keyng-Lag,Park, Kun-Young The Korean Society of Food Science and Nutrition 2007 Preventive Nutrition and Food Science Vol.12 No.2
The effects of young radish (YR, yeolmu in Korean) on the induction of apoptosis were examined in AGS human gastric adenocarcinoma cells. The young radish kimchi (YRK) were made of YR cultivated in the soil without (Control YR kimchi: C-YRK) and with 1,818 g/m$^{3}$ sulfur (Sulfur YR kimchi: S-YRK), respectively. Methanol extracts from S-YRK exhibited higher inhibitory effect on the growth of AGS human gastric adenocarcinoma cells in a time dependent-manner compared to C-YRK at the same concentration. 4,6-diamidino-2-phenylindole (DAPI) staining showed that S-YRK induced apoptosis accompanied by the increased Bax but decreased Bcl-2 in mRNA expression. Moreover, S-YRK decreased the levels of cyclooxygenase-2 (COX-2) and inducible nitric oxide synthase (iNOS) mRNA expressions. The results suggested that S-YRK cultivated in the presence of sulfur elicited stronger anticancer activity than C-YRK in vitro. Dietary intakes of S-YRK may be beneficial to decrease the risk of cancer.
Kim Soo-Jin,Kim Byung-Sam,Kyung Tae-Wook,Lee Sang-Chul,Rho Chi-Woong,Choi Kyung-Rak,Hwang Hae-Jun,Choi Hye-Seon The Pharmaceutical Society of Korea 2006 Archives of Pharmacal Research Vol.29 No.3
The oral administration of extracts of young radishes cultivated with sulfur after intravenous tumor cell injection achieved a marked reduction of pulmonary colonization in mice. Treatment of the mice with extracts of young radish cultivated with sulfur did not show any increase in the number of CD8+ or NK T cells in the spleen, indicating no influence on host immunity. Sulforaphane, which could be a candidate for an active compound from young radishes cultivated with sulfur, inhibited cell growth of B16-F10 melanoma cells. In addition, extracts of the young radish cultivated with sulfur-fed group showed enhanced quinine reductase (QR) activities in the liver and lung and a slight increase of glutathione S-transferase (GST) activity in the liver. These results suggested that the administration of extracts of young radishes cultivated with sulfur suppressed pulmonary tumorigenesis, possibly due to increased activity of detoxification enzymes in the liver and lung, and partly due to cell cytotoxicity.