• Title/Summary/Keyword: Angiotensin converting enzyme 2

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Antioxidant and Antihypertensive Activities of Styela plicata according to Harvesting Time and Size (채취시기와 크기에 따른 주름 미더덕의 항산화 및 항고혈압 활성)

  • Park, Ji-Won;You, Dong-Hyun;Bae, Myung-Suk;Kim, Jung-Mi;Lee, Jong-Hwa;Kim, Suk-Ju;Jeon, Yuo-Jin;Park, Eun-Ju;Lee, Seung-Cheol
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.40 no.3
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    • pp.350-356
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    • 2011
  • Styela plicata of large (9.82~11.66 g) and small (0.93~2.21 g) sizes harvested at different times was extracted with 4 different solvents (methanol, ethanol, acetone, and water). DPPH radical scavenging and reducing power was the highest in acetone extracts of small ones (38.98% and 1.724, respectively) harvested in November. The lowest radical scavenging activity was found in water extracts of large ones (12.03% and 0.114) in December. On the other hand, large ones harvested in September showed significantly higher inhibition rate of DNA damage (water, 56.54%; methanol, 55.83%; ethanol, 48.63%) than others. Overall, the water extraction of S. plicata tended to show a higher antigenotoxic effect. In addition, water extracts of large S. plicata from November showed the highest angiotensin converting enzyme (ACE) inhibitory activity (64.38%), while that of small ones from December exhibited the lowest (51.33%). Overall the results indicate that antioxidant and antihypertensive activities S. plicata are variable depending on harvesting time, size, and extraction solvent.

Antimicrobial, Antihypertensive and Anticancer Activities of Medicinal Herbs (생약재의 항균, 항고혈압 및 항암 활성)

  • Do, Jeong-Ryong;Kim, Ki-Ju;Jo, Jin-Ho;Kim, Young-Myoung;Kim, Byeong-Sam;Kim, Hyun-Ku;Lim, Sang-Dong;Lee, Soo-Won
    • Korean Journal of Food Science and Technology
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    • v.37 no.2
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    • pp.206-213
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    • 2005
  • Antibacterial, antifungal, anticancer and angiotensin-converting enzyme (ACE) inhibitory activities of water and 70% ethanol extracts of 32 medicinal herbs species were investigated. Terminalia chebula extracts showed strong antibacterial activities. Ethanol extract of Cinnamomum cassia showed good antifungal activity. ACE inhibitory activities or P. corylifolia water extract and Fraction I of P. corylifolia water extract were 65.2 and 81.8%, respectively. Cytotoxicity of ethanol precipitate fraction obtained from water extract of Eugenia caryophyllata was highest.

Cardiovascular Biofunctional Activity and Antioxidant Activity of Gugija (Lycium chinensis Mill) Species and Its Hybrids (구기자 품종과 교배종의 부위별 심혈관관련 질환 예방 기능성 및 항산화 활성비교)

  • Park, Won-Jong;Lee, Bong-Chun;Lee, Ju-Chan;Lee, Eun-Na;Song, Jung-Eun;Lee, Dae-Hyung;Lee, Jong-Soo
    • Korean Journal of Medicinal Crop Science
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    • v.15 no.6
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    • pp.391-397
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    • 2007
  • To develop new high valuable Gugija (Lycium chinensis), biofunctionalities of Gugija standard species and its hybrids were investigated and compared with each water extracts and methanol extracts from Lycii Fructus, Lycii Folium and buds and Lycii Cortex Radicis. Among various biofunctionalities of Gugija standard species, antioxidant activity was showed the highest in methanol extracts from buds of Cheongwoon species (93%) and antihypertensive angiotensin I-converting enzyme (ACE) inhibitory activity was 84.1% in the water extracts from Lycii Cortex Radicis of Cheongyang NO.7. Futhermore, methanol extracts from Lycii Cortex Radicis of Myungan A-2 hybrid showed 93.1% of antioxidant activity and 96.9% of ACE inhibitory activity was also showed in the methanol extracts from Lycii Fructus of DO148-72(A11) hybrid. However, fibrinolytic activity and anticholesteromia HMG-CoA reductase inhibitory activity were weak or not detected in almost of Gugija standard species and its hybrids. Therefore, we finally selected Cheongwoon Gugija standard species (buds) and Myungan A-2 hybrid (Lycii Cortex Radicis) as good antioxidant sources and also DO148-72 (A11) hybrid (Lycii Fructus) as excellent antihypertensive ACE inhibitior sources for manufacturing functional food product.

Physicochemical and Functional Properties of Kochujang with Broccoli Leaf Powder (브로콜리잎 분말 첨가 재래식 고추장의 이화학적 및 기능적 특성)

  • Oh, You-Sung;Baek, Jin-Woo;Park, Kyeong-Yeol;Hwang, Joon-Ho;Lim, Sang-Bin
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.42 no.5
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    • pp.675-681
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    • 2013
  • Home-made broccoli Kochujang (HMBK) was prepared with the addition of 5% broccoli leaf powder. Its physicochemical and functional properties were measured in extracts (80% methanol, 80% ethanol, and distilled water) and compared with home-made Kochujang (HMK) and factory-produced Kochujang (FPK). Total phenolic content (TPC) was 22% higher in methanol extract from HMBK (524.2 GAE/100 g) compared to HMK (431.0 GAE/100 g). TPC was 8% higher in ethanol extract from HMBK (541.9 GAE/100 g) compared to HMK (499.9 GAE/100 g). DPPH radical scavenging activity was 1.6 times higher in the methanol extracts from HMBK than HMK. In contrast there was no difference in DPPH radical scavenging activity between HMBK and HMK. Oxygen radical absorbance capacities in methanol and ethanol extracts from HMBK were similar to HMK, but both were higher than extracts from FPK (55% and 23% higher, respectively). Inhibition of angiotensin I converting enzyme activity in methanol extracts from HMBK was similar to HMK, but it was 2.6 times higher than inhibition activities from FPK. Interestingly, only ethanol extract from HMBK showed a 10.7% and 18.3% inhibition on cell growth of the human colon adenocarcinoma grade II cell line (HT-29) and human lung carcinoma cell line (NCI-H1229), respectively. These results indicate home-made Kochujang with broccoli leaf powder contains high total phenolics, antioxidant activities, and cancer cell growth inhibition activities.

Preparation and Food Characteristics of Seasoned Anchovy Sauce with Improved Bitterness by Treatment of Aminopeptidase Active Fraction Derived from Common Squid Todarodes pacificus Hepatopancreas (살 오징어(Todarodes pacificus) 간췌장 유래 Aminopeptidase 활성획분에 의해 쓴맛이 개선된 멸치 조미소스의 제조 및 식품특성)

  • Yoon, In Seong;Kim, Jin-Soo;Choe, Yu Ri;Sohn, Suk Kyung;Lee, Ji Un;Kang, Sang In;Kwon, In Sang;Heu, Min Soo
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.54 no.6
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    • pp.849-860
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    • 2021
  • This study investigated the preparation of seasoned anchovy sauce (SAS) and its functional characteristics by using aminopeptidase active fractions (AAFs) derived from squid Todarodes pacificus hepatopancreas as a bitter taste improver. As the base of the SAS, a hydrolysate (AAAH) prepared by continuously treating raw anchovies with Alcalase-AAF was used. The high-performance liquid chromatography profile of the AAAH suggested that the action of AAFs decreased the hydrophobicity of the N-terminal peptide related to bitterness in the protein hydrolysates. SAS was prepared by blending with the AAAH and other ingredients. The crude protein (2.5%), carbohydrates (18.4%), amino acid-nitrogen (1,325.1 mg/100 mL), and total free and released amino acids (FRAAs, 700.2 mg/100 mL) of SAS were higher than those of commercial anchovy sauce (CAS). Sensory evaluation revealed that SAS was superior to CAS in flavor, color, and taste. The main FRAAs of SAS were glycine (16.8%), alanine (13.2%), glutamic acid (7.8%), and leucine (7.3%). The amino acids that had a major influence on the taste according to the SAS taste values were glutamic acid, aspartic acid, alanine, and histidine. The angiotensin-converting enzyme inhibitory (2.21 mg/mL) and antioxidant activities (3.58 mg/mL) of SAS were superior to those of CAS.

Physiological Function and Enzyme Activity of Koji Cultured by Aspergillus oryzae CNU O4-5 in the Various Grain Materials (원료(原料)의 종류(種類)와 형태(形態)에 따른 Aspergillus oryzae 국(麴)의 생리활성(生理活性) 및 효소력(酵素力))

  • Choi, Seong Hyun;Jeong, Jae-Hong;Lee, Sang Duck;Son, Hwa Young;Sung, Chang;Oh, Man Jin;Kim, Seung Yeol
    • Korean Journal of Agricultural Science
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    • v.24 no.2
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    • pp.283-289
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    • 1997
  • CNU O4-5 isolated from conventional Meju, which is used as raw material for making a soybean fermentation food, identified as an Aspergillus oryzae. To make koji, Aspergillus oryzae CNU O4-5 was cultured for 3-4 days at $30^{\circ}C$ with various grain materials such as flour, soybean powder, flour+soybean powder(1:1), soaked soybean and rice. The koji was evaluated for analyze the angiotesin converting enzyne(ACE) inhibition, antioxidative activity, superoxide dismutase(SOD) activity, amylase and protease activity. $\alpha$-amylase and glucoamylase activities of flour koji were higher than those of the koji soybean powder. However neutral and alkaline protease activities of flour koji were lower than those of flour+soybean powder and soybean koji. Amylase and protease activities of kojies of soaked soybean and rice showed very low level. The range of the ACE inhibition rate by hot water fraction of the kojies, which are cultured with various gain materials, were from 45% to 54%. The anti oxidative activity of ethanol-fraction of koji, which is made by using the soybean powder or soaked soybean, prolonged for 6 days in lard at $60^{\circ}C$. The SOD activity of grinded fraction of koji, which is made by using the flour or soybean powder, was same as 2,000 units per g of each koji.

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Physiological Activity of Medicinal Plant Extracts (생약재 추출물의 생리활성 효과)

  • Na Gyung-Min;Han Ho-Suk;Ye Su-Hyang;Kim Hyun-Ku
    • Food Science and Preservation
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    • v.11 no.3
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    • pp.388-393
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    • 2004
  • The physiological activity of 5 kinds of medicinal plant extracts were examined. Total polyphenol contents showed the highest value in 50 $\%$ ethanol extracts. Electron donating ability showed the highest value in 50 $\%$ ethanol extracts of Glycyrrhiza uralensis. SOD-like activity showed the highest activity in 50$\%$ ethanol extracts of Glycyrrhiza uralensis. Medicinal plant extracts showed the different nitrite scavenging abilities under the different pH conditions. Medicinal plant extracts showed the highest value in nitrite scavenging ability at pH 1.2. The maximum nitrite scavenging effect was found at pH 1.2 and decreased as pH increased. Angiotensin-converting enzyme inhibitory activity showed the highest value in 50 $\%$ ethanol extracts of dried garlic.

Primary Dilated Cardiomyopathy in a Miniature Pinscher Dog (미니어쳐 핀셔견에서 발생한 확장성 심근질환)

  • Kim, Jung-Hyun;Park, Chul;Ko, Ki-Jin;Kang, Byeong-Teck;Jung, Dong-In;Kim, Ju-Won;Kim, Ha-Jung;Lim, Chae-Young;Lee, So-Young;Cho, Sue-Kyung;Park, Hee-Myung
    • Journal of Veterinary Clinics
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    • v.23 no.3
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    • pp.349-354
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    • 2006
  • A 9-month-old, female Miniature Pinscher(MP) dog weighing 1.97kg was presented because of periodic syncopal episode for 5 months. This case was diagnosed as primary dilated cardiomyopathy based on respiratory distress history, weak femoral pulse, generalized cardiomegaly, pulmonary edema, marked dilation of left atrium(LA) and left ventricle(LV), decreased wall thickness of LV and interventricular septum(IVS), increased EPSS in echocardiography, and young age of onset in the absence of other cardiovascular disorders. The patient was stabilized by application of diuretics(Furosemide, 2 mg/kg, SC, q 1 hr) and venodilator(Nitroglycerine patch, 0.5 mg/kg, q 12 hrs). Clinical signs were improved with medical management of positive inotropic vasodilator(Pimobendan, 0.2 mg/kg, PO, q 12 hrs) and angiotensin-converting enzyme(ACE) inhibitor(benazepril, 0.5 mg/kg, PO, q 12 hrs), potassium gluconate gel(2 mEq/dog, PO, q 12 hrs) and, L-carnitine(50 mg/kg, PO, q 12 hrs). The dog still maintains stable clinical status 10 months after the first visit. We report the rare case of DCM in small breed dog, which corresponds to the diagnosis and treatment of typical DCM in large breed dog.

The Antihypertensive and Vasodilating Effects of Adventitious Root Extracts of Wild Ginseng (산삼 배양근 추출물의 혈압강화 및 혈관이완 효과)

  • Hong, Min-Hee;Lim, Hee-Kyoung;Park, Ji-Eun;Jun, Neung-Jae;Lee, Young-Jae;Cho, Moon-Jae;Kim, So-Mi
    • Applied Biological Chemistry
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    • v.51 no.2
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    • pp.102-107
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    • 2008
  • Nitric oxide (NO) is a potent antihypertensive and vasodilator which plays an important role in regulating vascular tones. In this study, we investigated the effects of adventitious root extracts of wild ginseng on NO production and NO linked physiological activities. When human endothelial cell line (ECV304) was incubated with either water extracts of wild ginseng adventitious root (WE) or aqueous fraction of butanol extracts of wild ginseng adventitious root (ABE), considerable amounts of NO were released by the cells. The level of endothelial nitric oxide synthase (eNOS) expression was unchanged and about 6% of the angiotensin converting enzyme (ACE) was inhibited with treatment of ABE. The vasodilating activities of pulmonary artery rings in response to different doses of extracts were shown as 44.8% and 91.3% in 2.5 mg/ml WE and 0.1 mg/ml ABE, respectively. The blood pressure lowering effect was observed from the oral administered spontaneously hypertensive rat (SHR) with the lowest blood pressure (154.5${\pm}$8.6 mmHg) after 8 h. The blood pressure was recovered to the initial level after 24 h.

Physicochemical Properties, Lactic Acid Bacteria Content and Physiological Functionalities of Korean Commercial Makgeolli (시판 막걸리의 이화학적 특성과 젖산균 함량 및 생리기능성)

  • Kim, Young-Hun;Min, Jin-Hong;Kang, Min-Gu;Kim, Jae-Ho;Ahn, Byung-Hak;Kim, Ha-Kun;Lee, Jong-Soo
    • Microbiology and Biotechnology Letters
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    • v.40 no.4
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    • pp.325-332
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    • 2012
  • The goal of this study was to characterize the physicochemical properties, lactic acid bacteria and physiological functionality of Korean commercial Makgeolli. We collected 60 kinds of raw and pasteurized Makgeolli commercially available in Korea. Their physicochemical properties, lactic acid bacteria content and physiological functionalities were determined. In the commercial raw Makgeolli, ethanol and residual sugar content ranged from 3.6% to 9.6% and 0.20% to 4.52%, respectively. Furthermore, the raw Makgeolli contained 3.50 to 101.9 mg% of amino nitrogen. In the pasteurized Makgeolli, ethanol content ranged from 4.0% to 7.0% and their residual sugar content were 0.98% to 7.57%. The raw Makgeolli contained 2.0 $ent^3$~1.2 $ine^8$ CFU/mL of lactic acid bacteria. Among several functionalities, the antihypertensive angiotensin I-converting enzyme inhibitory activities of EDS-14 raw Makgeolli and PWR-12 pasteurized Makgeolli were very high, at 89.9% and 87.0% respectively. The other functionalities were seen to be below 30% or not detectable. The ${\beta}$-Glucan contents of the raw and pasteurized Makgeolli were noted as average, at 14.1% and 14.6%, respectively.