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식물성 유산균 혼합물을 활용한 환경 폐수의 정화능력 평가
이득식 ( Deuk Sik Lee ),김남균 ( Nam Kyun Kim ),심수용 ( Soo Yong Shim ),이동진 ( Dong Jin Lee ),윤원병 ( Won Byong Yoon ) 한국산업식품공학회 2011 산업 식품공학 Vol.15 No.1
Changes in total nitrogen (T.N.) and total phosphate (T.P.) content in environmental waste water upon the reaction of biological purifying reagents were measured and the reaction rate was evaluated. The purification capacity of two biological purifying reagents composed of vegetable Lactobacillus fermentum (V.L.F.), Saccharomyces cerevisiae( S.C), and Bacillus subtilis(B.S.) were evaluated and compared with that of commercial water purification system operating by local government. After 18days of reaction, the mixture of V.L.F. and S.C. showed dramatic decrease of T.N.(36.21% of the initial value). The mixture of V.L.F., S.C., and B.S. showed faster reaction rate to decrease T.P. compared with that of the mixture of V.L.F. and S.C. The reaction constant of mixture of V.L.F. and S.C. was estimated to be 0.178 day-1 by the curve fitting of the data of changes in T.N. during the reaction.
해조 올리고당 음료가 고지혈증 유도 쥐에 있어서 혈액 지질 산화 및 혈액ㆍ혈장 응고에 미치는 영향
주동식(Dong-Sik Joo),이진경(Jin-Kyung Lee),김옥선(Ok-Seon Kim),조순영(Soon-Yeong Cho),이득식(Deuk-Sik Lee),제외권(Yoi-Kweon Je),최종원(Jong-Won Choi) 한국식품영양과학회 2003 한국식품영양과학회지 Vol.32 No.8
식이성 고지혈증 model 실험동물을 사용하여 해조 음료를 투여하여 지질 산화와 관련된 효소 변화 및 혈액응고에 미치는 영향을 시험하였다. 혈액의 lipid peroxide 함량과 혈중 hydroxy radical 생성이 식이성 고지혈증의 유도로 증가되었으며, 혈중 superoxide dismutase의 활성은 오히려 감소되 던 것이 해조 음료의 투여로 조절되었다. 식이성 고지혈증을 유도한 흰쥐에서 감소되었던 bleeding time과 plasma clotting time이 해조 음료의 투여로 다소 증가하였고, 증가하였던 tissue factor의 활성은 현저히 감소되었다. 동물 소화 장관에 대한 운동성 시험에서는 해조 음료의 투여로 장관 운동이 증가되는 것을 확인하였다. 이러한 결과는 해조 음료나 해조 음료 소재에 다량 함유되어 있는 해조 올리고당이 기존의 해조 다당과 마찬가지로 혈관계 관련 질병의 예방에 유효한 기능을 할 수 있다는 것을 나타내며 향후로도 다양한 기능성 제품의 소재가 될 수 있을 것으로 여겨진다. We investigated the effect of seatangle drink and seatangle extract on lipid oxidation, blood coagulation and intestinal movement in rats fed a hyperlipidemic diet. In the dietary hyperlipidemic induced group, the serum superoxide dismutase activity decreased and formation of hydroxy radical increased when compared to normal group, but these were controlled by seatangle drink treatment. The decreased of bleeding time and increased of tissue factor in the dietary hyperlipidemic rats were regulated by seatangle drink and seatangle extract, and especially the activity of tissue factor was remarkably decreased. Seatangle drink and seatangle extract were increased contraction on intestinal movement. Therefore, it can be concluded that seatangle drink or seatangle extract treatment depresses changing in absorption of gastrointestinal track in rats fed a hyperlipidemic diet.
홍경천 추출물의 항산화성, 항돌연변이성 및 세포독성 효과
최승필(Cheng-Bi Cui),이득식(Deuk-Sik Lee),함승시(Seung-Shi Ham) 한국식품영양과학회 2003 한국식품영양과학회지 Vol.32 No.2
홍경천 뿌리의 에탄올 추출물과 분획물에 대한 항산화 활성을 측정한 결과, 에틸아세테이트 분획물에서 14.3 ㎍/mL의 강한 항산화 활성을 나타내었다. 직접 변이원인 MNNG에 대한 항돌연변이 효과에서 S. typhimurium TA100 균주에 대해 홍경천 뿌리 에틸아세테이트 분획물(200 ㎍/plate)에서 다른 분획물보다 높은 89.1%의 억제효과를 나타내었다. 4NQO에서도 에틸아세테이트 분획물에서 S. typhimurium TA98 균주와 TA100 균주에 대해서 동일 시료농도에서 각각 89.7%와 91.5%로 다른 분획물보다 높은 억제효과를 나타내었다. B(α)P에 대한 억제효과에서는 TA98, TA100 두 균주에 대하여 에틸아 세테이트 분획물에서 각각 94.2%와 95.7%로 다른 분획물보다 높은 억제활성을 나타내었으며, Trp-P-1에 대해서는 두 균주가 각각 92.3%와 93.8%로 다른 분획물보다 높은 억제효과를 나타내었다. 암세포 성장억제 효과를 검토한 실험에서는 에틸아세테이트 분획물이 가장 높은 억제활성을 나타내었으며, 시료농도의 증가와 함께 억제활성도 증가하는 경향을 나타내었으며 시료농도 1 ㎎/mL에서 A549가 90.5%, HepG2가 81.5%, AGS가 92.2% 그리고 MCF-7이 82.6%의 암세포 성장억제효과를 나타내었다. This study was carried out to determine the antioxidative, antimutagenic, and anticancer effects of Rhodiola sachalinensis root using 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical donating method, Ames test and cy - totoxicity, respectively. Rhodiola sachalinensis root were extracted with ethanol and then further fractionated to n-hexane, chloroform, ethyl acetate (EtOAc), butanol and water, stepwise. Among five fractions, the EtOAc frac - tions showed the highest electron donating activities (14.3 ㎍/mL). The inhibition rate of ethanol extract (200 ㎍/plate) of Rhodiola sachalinensis root in the S. typhimurium TA100 strain showed 89.1% inhibition against the mutagenesis induced by MNNG. In addition, the suppression of EtOAc fractions with same concentration of Rhodiola sachalinensis root in the S. typhimurium TA98 and TA100 strains showed 89.7% and 91.5% inhibition against 4NQO, respectively. The suppressions under the same condition against B(α)P and Trp-P-1 in the TA98 and TA100 strains were 94.2% and 95.7%, and 92.3% and 93.8%, respectively. The cytotoxic effects of Rhodiola sachalinensis root against the cell lines with human lung carcinoma (A549), human hepatocellular carcinoma (HepG2), human gastric carcinoma (AGS) and human breast adenocarcinoma (MCF-7) were inhibited with the in- crease of the extract concentration. The treatment of 1.0 ㎎/mL Rhodiola sachalinensis root of EtOAc fraction showed strong cytotoxicities of 90.5%, 81.5%, 92.2% and 82.6% against A549, HepG2, AGS and MCF-7, respectively.
홍경천 추출물이 Streptozotocin으로 유도된 당뇨쥐에 미치는 영향
최형택,최승필,김수현,함영안,이득식,함승시,Choi Hyung-Taek,Cui Cheng-Bi,Kim Soo-Hyun,Ham Young-An,Lee Deuk-Sik,Ham Seung-Shi 동아시아식생활학회 2005 동아시아식생활학회지 Vol.15 No.2
The present study was undertaken to evaluate the effect of Rhodiola sachalinensis root ethanol extract (RS), on the body weight, organ weight, plasma glucose and plasma lipid in diabetic rats caused by streptozotocin (STZ). The body weight decreased more slowly in the RS group than in the diabetic, and the food intake increased significantly in all diabetic groups. The food efficiency was very low in all diabetic groups, but increased significantly in the RS groups than diabetic control (p<0.05). In comparing the weight of organ, the weight of liver and kidney were increased in all diabetic groups than in the control, and decreased slightly in RS groups. The weight of heart and spleen were not different among all test groups. The glucose in serum was decreased significantly in the RS groups fed the RS for 4 weeks, compared to the diabetic control (p<0.05). Total cholesterol, triglyceride and atherogenic index (AI) in serum were significantly higher in diabetic control, compared to the normal (p<0.05), and decreased $16.7\%,\;18.3\%\;and\;45.0\%$, respectively, in the RS fed $300\;\cal{mg/kg}$ of RS. HDL-cholesterol was increased slightly more in the $RS-300\;\cal{mg/kg}$, compared to diabetic control. These findings suggest that RS treatment has protective effect in diabetes.