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콜레스테롤 함유 식이 랫드에서 감귤껍질추출물 BNs-3 및 BNs-7의 항비만 효과
채희열(Hee-Youl Chai),신지순(Ji-Soon Sin),권운(Woon Kwon),최은경(Ehn-Kyoung Choi),조영민(Young Min Cho),장호송(Hu-Song Zhang),황석연(Seock-Yeon Hwang),복성해(Song-Hae Bok),김윤배(Yun-Bae Kim),강종구(Jong-Koo Kang) 한국독성학회 2003 Toxicological Research Vol.19 No.3
The protective effects of BNs-3 and BNs-7, extracts of citrous orange peel, on the obesity induced by ad libitum feeding a cholesterol-containing diet to rats were investigated. The animals<br/> were fed on the diet including cholesterol (0.5%) with or without the citrous orange peel extracts BNs-3 (5%) and/or BNs-7 (0.1%) for 8 weeks. The ad libitum feeding a diet containing cholesterol to<br/> rats from 6 weeks of age increased the body weight gain compared with that of rats fed on a normal diet. Such an increase in body weights was markedly attenuated by the addition of BNs-3 or BNs-7 to the diet. Especially, a combinational feeding on BNs-3 and BNs-7 significantly reduced the body weight gain below that of normal diet-fed animals. Interestingly, the weights of abdominal adipose tissues surrounding epididymides were greatly reduced by the citrous orange peel extracts, in parallel with the decrease in body weights. In addition, blood concentrations of lipids including cholesterol were also lowered by the combinational treatment with BNs-3 and BNs-7. Taken together, it is suggested that the obesity and overweight produced by unrestricted overfeeding on diet with cholesterol may be partially due to the accumulation of abdominal adipose tissues, around the epididymides in rats, and that citrous orange peel extracts might exert antiobese activities by reducing the adipose tissues as well as blood lipid concentrations.
Cephalosporin계 항생제 IDC7181에 대한 항원성시험
신지순(Ji Soon Sin),장호송(Hu-Song Zhang),최은경(Ehn-Kyoung Choi),권운(Woon Kwon),채희열(Hee-Youl Chai),조영민(Young Min Cho),김윤배(Yun-Bae Kim),강종구(Jong-Koo Kang) 한국독성학회 2003 Toxicological Research Vol.19 No.4
Antigenic potential of a novel cephalosporin, IDC7181 was examined a active systemic anaphylaxis (ASA) and passive cutaneous anaphylaxis (PCA) test, in guinea pig and mouse-rat models, respectively. In ASA test, IDC7181 induced the signs of restlessness in a few animals immunized with a high dose (100 mg/kg) of IDC7181 alone or in combination with Freund's complete adjuvant (FCA). In PCA test, only one of ten sera from the animals immunized with a high dose (100 mg/kg) of IDC7181 in the absence or presence of FCA showed positive reaction. The positive reaction,<br/> induced by IDC7181, which may be due to β-lactam ring, in ASA and PCA tests were negligible in comparison with those of traditional cephalosporins. Taken together, it is suggested that IDC7181 do<br/> not cause immunological problems in clinical dosage.
21가지 장미꽃 품종의 페놀성 화합물 함량 및 항산화 활성
조연재(Yeon Jae Jo),서정현(Jeong Hyun Seo),홍채영(Chae Young Hong),김성태(Seung Tae Kim),최은경(Ehn-Kyoung Choi),김윤배(Yun-Bae Kim),이준수(Junsoo Lee),정헌상(Heon Sang Jeong) 한국식품영양과학회 2021 한국식품영양과학회지 Vol.50 No.4
본 연구는 21품종의 장미꽃에 대한 식품 및 화장품 원료로 사용 가능성을 살펴보기 위해 페놀성 화합물과 항산화 활성을 평가하였다. 총 폴리페놀, 총 플라보노이드 및 타닌 함량은 러버샤이 품종에서 각각 379.70 mg GAE/extract g, 50.10 mg CE/extract g 및 339.44 mg TAE/extract g으로 높게 나타났으며, 칠백리 품종에서 각각 107.25 mg GAE/extract g, 9.46 mg CE/extract g 및 36.31 mg TAE/extract g으로 낮았다. 페놀산 함량은 총 폴리페놀 함량과 유사한 결과를 보였으며, 러버샤이 품종에서 27.40 mg/extract g으로 높았다. 안토시아닌은 대부분 cyanidin-3,5-diglucoside로 확인되었으며 총 안토시아닌 함량은 유니나 품종에서 8.80 mg/extract g으로 가장 높았다. ABTS 및 DPPH 라디칼 소거 활성은 각각 428.10 및 419.59 mg AAE/extract g로 러버샤이 품종에서 가장 높았으며, 항산화 활성과 페놀 화합물의 함량과 높은 양의 상관관계를 보였다. 이러한 결과는 러버샤이와 같은 항산화 활성이 뛰어난 품종들이 관상 목적뿐만 아니라 높은 기능성을 가진 식품 및 화장품의 원료로 사용 가능성이 있다고 판단된다. This study evaluated the functional components and antioxidant activities of 21 different rose flower extracts, to confirm their value as a food and cosmetics ingredient. The highest values of total polyphenol, flavonoid and tannin contents (379.70±1.64 mg GAE/extract g, 50.10±0.76 mg CE/extract g, and 339.44±1.20 mg TAE/extract g, respectively) were obtained in Lover Shy. The proanthocyanidin content ranged from 61.88 mg CE/extract g in the Unina cultivar to 5.34±0.13 mg CE/extract g in the Aileen cultivar. The phenolic acid content obtained was highest in the Lover Shy cultivar (27.40±0.26 mg/extract g), whereas highest levels of anthocyanin (8.83±0.03 mg/extract g) were obtained in the Unina cultivar. High ABTS and DPPH radical scavenging activities were determined in the Lover Shy cultivar (428.10±0.29 and 419.59±3.12 mg AAE/extract g, respectively). Taken together, these results indicate that the antioxidant activity and functional components of Lover Shy cultivar are superior, and this extract can potentially be applied as a food and cosmetic ingredient.
사염화탄소와 에탄올로 유발된 간손상에 대한 GODEX<SUP>Ⓡ</SUP>의 치료효과 및 투여 중단에 따른 효소 역전 현상의 비교 평가
신지순(Ji Soon Sin),정은용(Eun Yong Jung),채희열(Hee-Youl Chai),권운(Woon Kwon),최은경(Ehn Kyoung Choi),조영민(Young Min Cho),황석연(Seok-Yeon Hwang),이민호(Min Ho Lee),김윤배(Yun-Bae Kim),강종구(Jong-Koo Kang) 한국실험동물학회 2003 Laboratory Animal Research Vol.19 No.4
4년근 미성숙 인삼열매 분획물의 약리학적 특성 및 치매 마우스 모델에서 인지능 개선효과
안정원(Jeong Won Ahn),장수길(Su Kil Jang),김현수(Hyun Soo Kim),조보람(Boram Jo),성은아(Eun Ah Sung),김승태(Seung Tae Kim),최은경(Ehn-Kyoung Choi),김윤배(Yun-Bae Kim),박희용(Hee Yong Park),주성수(Seong Soo Joo) 대한약학회 2020 약학회지 Vol.64 No.2
In the present study, we aimed to determine whether the processed 4-year ginseng berry extract (SGF) had pharmacological properties with improving learning and memory in an Aβ42-induced Alzheimer’s mouse model. Passive avoidance test (PAT) and Morris water-maze test (MWMT) were performed after the administration with SGF, and assays (acetylcholine, ACh and Aβ) in the brain lysates were followed along with the glial fibrillary acidic protein (GFAP) detection for the brain damage. Acetylcholinesterase (AChE) activity and the gene expression (choline acetyltransferase (ChAT), vesicular acetylcholine transporter (VAChT) and brain-derived neurotrophic factor (BDNF)) in N2a cells was further analyzed using Ellman’s and qPCR assays, respectively. Results demonstrated that SGF contained a high amount of 3 active ginsenosides (Rg3, Rg5 and F4) and significantly improved PAT and MWMT compared to Aβ42-induced mouse model. Interestingly, AChE activity in the brain lysates was significantly reduced, whereas ACh amounts was escalated in SGF groups. In addition, ChAT, VAChT and BDNF mRNAs were significantly upregulated in the presence of a single Rg3, Rg5 and F4 as well as SGF. Taken together, these findings clearly suggest that SGF can participate in alleviating AD pathogenesis by preventing the brain damage and increasing ACh production which are primitive requirements for a therapeutic candidate of Alzheimer’s disease.
Physostigmine과 procyclidine으로 구성된 유기인제 중독 복합예방제에 대한 4주 반복투여 독성평가
이종성(Jong-Sung Lee),황재식(Zai-Zhi Huang),강현구(Hyun-Gu Kang),박선희(Sun-Hee Park),박철범(Cheol-Beom Park),박종일(Jong-Il Park),김왕수(Wang-Soo Kim),피택산(Taek-San Phi),최은경(Ehn-Kyoung Choi),황석연(Seock-Yeon Hwang),강종구(Jong 한국실험동물학회 2003 Laboratory Animal Research Vol.19 No.4