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Sweet BV의 성분분석과 항체역가 및 allergy 반응에 대한 임상적 연구
최석호,차배천,권기록,Choi, Suk-Ho,Cha, Bae-Chun,Kwon, Ki-Rok 대한약침학회 2006 Journal of pharmacopuncture Vol.9 No.2
Objectives : The aim of this study was to observe prevention of allergic reactions of Sweet Bee Venom (removing enzyme components from Bee Venom). Methods: Content analysis of Sweet Bee Venom and Bee Venom was rendered using HPLC method and characterization of Anti-Sweet Bee Venom in Rabbit Serum. Clinical observation was conducted for inducement of allergic responses to Sweet BV. Results : 1. Analyzing melittin content using HPLC, Sweet BV contained 34.9% more melittin than Bee venom pharmacopuncture at same concentration. 2. Observing chromatogram of HPLC, removal of the enzyme was successfully rendered on Sweet BV. 3. The anti-serum of Sweet BV showed high titers against melittin and bee venom and relatively low titer against phospholipase A2. 4. After conducting approximately 3,000 cases of Sweet BV administration, not a single case of generalized anaphylatic reaction occurred in clinical observation. 5. Mild compared to the bee venom pharmacopuncture, Sweet BV showed some acute hypersensitive reactions of edema, itchiness, and aching locally. 6. Sweet BV was administered on six patients with previous history of suffering from generalized acute hypersensitive reactions with the bee venom. None of the patients showed allergic reactions with Sweet BV, suggesting it can effectively prevent anaphylatic shock which may occur after the bee venom pharmacopuncture procedure. Conclusion : Summarizing above results, Sweet Bee Venom appears to be an effective measurement against allergic reactions from the bee venom pharmacopuncture especially against anaphylatic shock.
최석호 ( Suk Ho Choi ),이승배 ( Seung Bae Lee ) 한국유가공기술과학회 2010 Journal of Dairy Science and Biotechnology (JMSB) Vol.28 No.1
The milk product is one of the major foods which provide calcium for nutritional requirement. In addition to calcium, it supplies diverse nutrients including protein, potassium, vitamin A, vitamin B1, and vitamin B2. Adequate calcium intake throughout lifetime ensures optimum bone density and prevents osteoporosis in old age by reducing loss of bone mineral during growth and aging. The nutritional deficiency of calcium intake and spreading of osteoporosis in Korean population accentuated necessity of adequate calcium intake through milk consumption. Obstruction of milk consumption due to lactose intolerance should be overcome by educational programs for adequate milk consumption and low-lactose milk product developments. Consumption of milk products was reported to prevent high blood pressure in clinical studies and epidemiological investigations. As the feeding of milk increased, the body weight and fat of animal decreased in animal studies. The epidemiological investigations revealed that there was a negative correlation between the amount of milk consumption and the body fat. When calcium was provided as dietary supplement in the clinical trials, the body weight and body fat of subjects decreased. When calcium was particularly supplied as a part of milk, the body weight reduction rate was augmented. Calcium, vitamin D, and conjugated linoleic acid have been reported to exert a role in reducing cancer. The paramount importance of milk in nutrition as a source of calcium and other invaluable nutrients emphasizes consistent supply of milk products to adults as well as adolescents by dairy industry.
발효, 세포배양, 생물공정 Bacillus sp. A-6의 Xylanase의 정제와 특성
최석호 ( Suk Ho Choi ) 한국미생물생명공학회 2009 한국미생물·생명공학회지 Vol.37 No.2
A xylanase was purified from the culture supernatant of Bacillus sp. A-6 by using ultrafiltration and ion exchange chromatography on the column of SP-Sepharose using 5 mM acetate buffer, pH 5.0. The xylanase was eluted from the column at the concentration less than 0.05 M NaCl. The eluted xylanase was shown to be a single protein band in SDS-PAGE. Zymogram analysis indicated that the protein band in SDS-PAGE had the enzyme activity to hydrolyze oat spelt xylan. The molecular weights of the xylanase were 15,000 based on SDS-PAGE and 14,100 based on gel filtration chromatography. Thin layer chromatography showed that the xylanase hydrolyzed oat spelt xylan into xylobiose and high-molecular-weight xylooligosaccharides. The relative activities of the heated xylanase decreased to 80% at 40℃ after 7 hr and less than 40% at 60℃ after 1 hr.
PCR을 이용한 품종동정 및 시유와 낙농제품의 진위판별 방법에 관한 연구: 총설
최석호 ( Suk Ho Choi ),이승배 ( Seung Bae Lee ) 한국유가공기술과학회 2015 Journal of Dairy Science and Biotechnology (JMSB) Vol.33 No.4
The authentication and implications of misleading labeling in milk and dairy products is important to protect against cheating consumers from adulteration and to alert sensitive consumers to any undeclared potential allergens. This need to support milk and dairy products labeling has led to the development of specific analytical techniques for the analysis of milk and dairy products ingredients. Recently, several methods based on polymerase chain reaction (PCR), including restriction fragment length polymorphism (PCR-RFLP), multiplex PCR, species-specific PCR, and real-time PCR, have been proposed as useful means for identifying species of origin in milk and dairy products, as well as quantifying and detecting any adulteration. These methods have particular advantages owing to their high specificity and sensitivity, as well as rapid processing time. In this review, we provide an updated and extensive overview of the PCR-based methods used for milk and dairy products authentication with a particular focus on the application of PCR methods to detect adulteration.
산양유를 섭취한 성인 여성의 분변에서 분리한 Bifidobacteria와 Lactobacilli의 탄수화물 발효특성
최석호 ( Suk Ho Choi ),임영순 ( Young Soon Lim ),함준상 ( Jun Sang Ham ),정석근 ( Seok Geun Jeong ),이승배 ( Seung Bae Lee ) 한국유가공기술과학회 2015 한국유가공기술과학회지 Vol.33 No.2
산양유을 섭취한 성인의 분변 내 bifidobacteria의 증식 효과 및 분변에서 분리된 bifidobacteria와 lactobacilli의 당 발효능력을 조사하였다. 1. 산양유를 섭취한 처리군이 대조군보다 bifidobacteria 세균수가 상대적으로 높았으며, 8주에서 95% 신뢰한계에서 유의성이 있었다. 2. 분변에서 분리한 균주들을 13 균주의 16S rRNA 염기서열로 동정한 결과, 산양유를 섭취한 처리구는 B. adolescentis, B. longum, B. pseudocatenulatum, B. dentium, L. sakei 순으로 분리되었다. 대조군의 12 균주는 B. adolescentis, B. longum, L.ruminis, L. sakei, B. pseudocatenulatum 순으로 분리되었다. 3. 산양유 올리고당과 lactulose는 모든 bifidobacteria 및 lactobacilli균주가 발효하였다. Fructooligosaccaride는 B. adolescentis7 균주 모두 발효하였다. 조사한 B. pseudocatenulatum 4 균주, L. sakei 3 균주, B. longum 7 균주 중에서 각각 3, 2, 1 균주가 fructooligosaccharide를 발효하였다. The objective of this study was to investigate the effects of consuming goat milk on the bacterial counts (colony forming units [CFU]) in adult women and to evaluate the carbohydrate fermentation capacity of bifidobacteria and lactobacilli isolated from their feces. Adult women who consumed goat milk (treatment group) had relatively higher CFU of bifidobacteria than did the control group, and the difference was significant (p<0.05) after 8 weeks. In total, 13 strains isolated from the feces of women in the treatment group were identified using 16S rRNA sequencing as Bifidobacterium adolescentis, B. longum, B. pseudocatenulatum, B. dentium, and Lactobacillus sakei. Similarly, 12 strains isolated from the feces of women in the control group included B. adolescentis, B. longum, L. ruminis, L. sakei, and B. pseudocatenulatum. All isolated bifidobacteria and lactobacilli fermented goat milk oligosaccharide and lactulose. All 7 strains of B. adolescentis fermented fructooligosaccharides, and 3 of the 4 B. pseudocatenulatum strains, 2 of the 3 L. sakei strains, and 1 of the 7 B. longum strains fermented fructooligosaccharides.