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국산 프로폴리스의 Helicobacter pyrori 억제효과
한상미,홍인표,우순옥,김세건,장혜리,장재선,Han, Sang Mi,Hong, In Phyo,Woo, Soon Ok,Kim, Se Gun,Jang, Hye Ri,Jang, Jae Seon 한국식품영양학회 2016 韓國食品營養學會誌 Vol.29 No.1
Propolis possesses antimicrobial, anti-inflammatory, anaesthetic and immunostimulating activities. The aim of this study was to evaluated chemical composition and in vitro anti-Helicobacter pylori activity of eight propolis ethanolic extracts form different region in Korea. The chemical composition of eight Korean propolis was investicated by absorption spectrophotomety and UHPLC. Total penolic and total flavonoids content ranged between $21{\pm}1.5$ and $31{\pm}1.8$ gallic acid g/100 g and $7.2{\pm}0.9$ and $24.4{\pm}1.9$ quercetin g/100 g, respectively. The p-coumaric acid as standard components content ranged between $0.29{\pm}0.00$ and $2.34{\pm}0.02mg/g$ using UHPLC. Cinnamic acid content between $0.43{\pm}0.00$ and $1.33{\pm}0.01mg/g$. 80% ethanolic extract of propolis against H. pylori was evaluated by using the disc diffusion method. Ethanol was used as a control. Mean diameters of H. pylori growth inhibition using $10{\mu}g/mL$, $50{\mu}g/mL$ or $100{\mu}g/mL$ ethanol propolis per disc were 0, ranging from 0.9 to 2.1 mm and from 1.9 to 3.5 mm, respectively. In conclusion, variation in the chemical composition of Korean propolis were mainly due to the difference in the preferred regional plants visited by honeybees. Also Korean propolis possesses considerable antibacterial activity against H. pylori. There was not confirmed a correlation between the chemical composion contens and anti-H. pylori effect. The potential of propolis in the prevention or treatment of H. pylori infection is worth further extensive evaluation.
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베트남 람동성의 농업현황 및 한-벳 ODA 농업협력사업 전략
조준형 ( Joon Hyeong Cho ),장혜리 ( Hye Ri Jang ),임종민 ( Jong Min Lim ),이석영 ( Sok Young Lee ),김완석 ( Wan Seok Kim ) 한국국제농업개발학회 2011 韓國國際農業開發學會誌 Vol.23 No.5
Agricultural environment of Lam Dong province, which is located in central highland area, is totally different from that of other lower areas in Vietnam. In Lam Dong province, abundant plant resources were naturally grown such as pine trees, taxus, and wild orchids, which can grow in high mountainous area. In Lam Dong, the field proportion of perennial crops was higher than that of annual crops. However, the field proportion and yields of vegetables were highest among the all cultivated crops, estimating 38% (36,552ha) and 72% (993,082MT), respectively. Especially in Da Lat, vegetables, flowers, orchids, and industrial crops were mainly produced because this area is geographically close to Ho Chi Minh city. And also in Da Lat, 64% (8,447ha) and 36% (4,777ha) of farm fields were used for producing annual and perennial crops, respectively, and the yields of fresh vegetables in this area was estimated to 213,478MT which was 21.5% of the whole yields in Lam Dong province. Thus Korea, Taiwan, Japan, France, and Holland have invested to agriculture in Da Lat for producing and exporting flowers, vegetables, and tea. In 2009, flower cultivation area of Da Lat was over 55% in Lam Dong province and average amount of values were 9,781 million USD, which was higher than that of al other crops. Thus following strategies could be suggested for the development of agriculture in Lam Dong province. The first, agricultural cooperation with Da Lat, Lam Dong, should be characterized to horticulture and floriculture, followed by supporting both appropriate R&D techniques and equipments. And then agricultural system should be made in relationship with the local companies. Finally, agricultural cooperation program should be conducted toward the direction for both donor and recipient countries.
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한상미 ( Sang-mi Han ),우순옥 ( Soon-ok Woo ),김세건 ( Se-gun Kim ),장혜리 ( Hye-ri Jang ) 한국동물위생학회 2018 한국동물위생학회지 (KOJVS) Vol.41 No.3
Purified bee venom was collected from colonies of honeybees (Apis mellifera L.) using a bee venom collector under sterile conditions and then purified under strict laboratory conditions. Purified bee venom contained 63.9±5.4% melittin, 10.9±1.6% phospholipase A2, and 2.3±0.3% apamin. Purified bee venom has various anti-bacterial, anti-inflammatory and immunostimulating effects. In this study, we evaluated purified bee venom which are mammary gland cells, MAC-T cells are used to increase the synthesis of milk protein. Purified bee venom promoted the proliferation of MAC-T cells at concentrations below 1 μg/mL, but cytotoxicity at 10 μg/mL and above. As a result of the increase in the synthesis of β-casein, a milk protein after treatment with MAC-T cells at a concentration of the bee venom without cytotoxicity, the β-casein content in the cell culture was increased when treated at a concentration of 1 ng/mL or more. In addition, it was confirmed that purified bee venom significantly increased the expression of bovine β-casein (bCSNB) mRNA, a β-casein synthesis gene, at a concentration of 1 ng/mL or more. These results suggest that purified bee venom can be used to increase the production of livestock by ultimately increasing the expression of milk protein
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국산 아카시아꿀 내 Abscisic acid의 UPLC 정량분석법 개발
김세건(Se Gun Kim),우순옥(Soon Ok Woo),장혜리(Hye Ri Jang),최홍민(Hong Min Choi),문효정(Hyo Jung Moon),한상미(Sang Mi Han) 한국양봉학회 2018 韓國養蜂學會誌 Vol.33 No.3
Acacia honey, which was collected from nectar of Robinia pseudoacacia by honeybee, is produced more than any other honey in Korea. It is known to have antibacterial activity against Helicobacter pylori that induced gastric disease. In present study, quantitative analysis for abscisic acid which was reported as anti-H. pylori compound in acacia honey was developed and validated by UPLCDAD. The UPLC method was established using Halo C18 column (2.1×100mm, 2μm) that eluted gradient system by acetonitrile and 0.1% phosphoric acid at 263nm of detection wavelength. The method was completely validated by specificity, linearity, limit of detection, limit of quantification, precision and accuracy. Also, the established UPLC method was possible to quantitative analysis for abscisic acid in Korean acacia honeys collected from 8 different areas. These results suggest that the developed UPLC method could be sufficiently applied for quality evaluation of Korean acacia honeys.
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지역별 국산 프로폴리스의 항균활성 및 Pinocembrin의 UPLC 분석
김세건(Se Gun Kim),홍인표(In Pyo Hong),우순옥(Soon Ok Woo),장혜리(Hye Ri Jang),한상미(Sang Mi Han) 한국양봉학회 2017 韓國養蜂學會誌 Vol.32 No.3
Propolis, natural antibacterial agent, which has been used traditional medicine across the globe, is resinous mixture to include abundant bioactive substances. In present study, we investigated antimicrobial activity according to quality characteristics of propolis collected from 9 different regions in Korea. Antimicrobial activity was evaluated by measuring growth inhibition zone using agar well diffusion method against Streptococcus mutans. Constituents analysis of propolis samples were measured through total phenolic contents, total flavonoid contents and quantitative analysis of major compound (pinocembrin) by ultra performance liquid chromatography. As a result, 9 different propolis (10mg/mL) and pinocembrin (1mg/mL) showed antimicrobial activity that has growth inhibition zone more than 11.9mm on S. mutans. The total flavonoid contents of 8 different propolis excluding Jeju island were in compliance with standard of health functional food in Korea and were found to affect antimicrobial activity on S. mutans when contained over 10mg/g. In addition, when content of pinocembrin in propolis was ranged from 12mg/g to 32mg/g, each propolis excluding Jeju island exhibited antimicrobial activity alike. These results indicate that pinocembrin plays a important role for antimicrobial activity of propolis collected from 8 different regions in Korea, and that it can be used as basic data for standardization of Korean propolis.
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Bacillus cereus, Streptococcus agalactiae와 Pseudomonas aeruginosa에 대한 정제봉독의 항균효과
한상미(Sang Mi Han),우순옥(Soon Ok Woo),김세건(Se Gun Kim),장혜리(Hye Ri Jang),이경우(Kyung Woo Lee) 한국양봉학회 2018 韓國養蜂學會誌 Vol.33 No.1
Bacillus cereus, Streptococcus agalactiae and Pseudomonas aeruginosa can cause disease in plants and animals, including humans. A species of considerable medical importance, they are a multidrug resistant pathogen recognised for their ubiquity, its intrinsically advanced antibiotic resistance mechanisms, and its association with serious illnesses - hospital-acquired infections such as ventilator-associated pneumonia and various sepsis syndromes. B. cereus, S. agalactiae and P. aeruginosa were tested for antibacterial effects to purified bee venom (Apis mellifera L.). We evaluated the antibacterial effect of purified bee venom by minimum inhibitory concentration (MIC), minimum bactericidal concentration (MBC), time-kill assay and postantibiotic effect (PAE). Purified bee venom exhibited significant inhibition of bacterial growth of B. cereus, S. agalactiae and P. aeruginosa with MIC value of 1.835±0.202, 0.54±0.32 and 0.056±0.01μg/ml, respectively. The MBC value of purified bee venom against B. cereus, S. agalactiae and P. aeruginosa were 33.9± 1.23, 4.08±0.3 and 0.59±0279μg/ml. In the presence of 2×MIC concentrations of the purified bee venom, indicating that growth of all bacteria was also significantly inhibited within 4 hours. Furthermore, the results of PAE values against B. cereus, S. agalactiae and P. aeruginosa showed the bacterial effect with 1.5, 1.5 and 5.5 hr. In this suty, these results were suggested that purified bee venom might be utilized as a natural antibiotic agents in animal diets.
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서양종 꿀벌(Apis mellifera) 수벌번데기의 화학적 조성과 영양학적 평가
김세건(Se Gun Kim),우순옥(Soon Ok Woo),방경원(Kyeong Won Bang),장혜리(Hye Ri Jang),한상미(Sang Mi Han) 한국양봉학회 2018 韓國養蜂學會誌 Vol.33 No.1
Drone pupa of honeybee (Apis mellifera) has been used as food for enhancing immune system in many countries. However, despite its high nutritional value, it is not registered as food ingredient in Korean food standards codex. In the present study, we evaluated the nutritional characterization of drone pupa through chemical analysis. The contents of moisture, crude protein, crude fat, carbonate and ash in proximate composition were 74.23%, 11.05%, 8.19%, 5.68% and 0.85%, respectively. 18 amino acids, including 9 essential amino acids were found in drone pupa with the highest level of glutamic acid at 1631.9mg/100g. The drone pupa which contains 12 minerals was rich in K (235.78mg/100g) and P (177.35mg/100g). Vitamins (B1, C and E) and fatty acids were present at low concentrations. These results suggest that honeybee drone pupa is a rich source of protein and other essential nutrients and thus could be used as a food ingredient.
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김세건 ( Se Gun Kim ),홍인표 ( In Phyo Hong ),우순옥 ( Soon Ok Woo ),장혜리 ( Hye Ri Jang ),장재선 ( Jae Seon Jang ),한상미 ( Sang Mi Han ) 한국식품영양학회 2017 韓國食品營養學會誌 Vol.30 No.1
In this study, we investigated and compared some chemical properties of Korean natural honeys and sugar-fed honeys for their quality characteristics. The natural honey samples were monofloral from chestnut and acacia flowers, and the sugar-fed honey samples were collected from honeybees feeding on sugar cane and sugar beet. The chemical properties of the honey samples, such as moisture, total protein, total lipids, ash, carbohydrate, minerals, vitamins, and free amino acids were determined. The moisture content was 18.5±0.9% in natural acacia honey, 17.2±0.9% in natural chestnut honey, 19.6±0.9% in sugar cane-fed honey, and 24.8±% in sugar beet-fed honey. The total protein and ash contents were the highest in natural chestnut honey. Maltose and sucrose were not detected in natural honeys but were detected at 2~7% in sugar-fed honeys. The vitamin, mineral, and free amino acids contents of natural honeys were higher than sugar-fed honeys. The natural chestnut honey is the highest in honeys. These results confirmed that the quality of natural honey was better than that of sugar-fed honey. Also, the vitamin, mineral, and free amino acids contents are potential characteristics for distinguishing between natural and sugar-fed honeys.
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