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Park Won Hwan,Park Soo Young,Park Tae Woo,Kim Jong Gu,Kim Seog Ha,Kim Cherl Ho The Physiological Society of Korean Medicine and T 2004 동의생리병리학회지 Vol.18 No.5
The present paper reports the effects of Hwaotang an atherosclerosis using a spontaneous experimental model, We have also investigated the pharmacological effect of Hwaotang on collagen- and ADP-induced blood platelet aggregation, thrombin-induced conversion of fibrinogen and fibrinolysis in in vitro experiments, and various effects on stimuli-induced superoxide generation in human neutrophils. Hwao-tang was shown to have inhibitory effect on collagen- and ADP-induced blood platelet aggregation, on thrombin-induced conversion of fibrinogen to fibrin and on the activity of plasminogen or plasmin. Hwao-tang also significantly inhibited fMLP-induced superoxide generation in a concentration-dependent manner, but not that induced by arachidonic acid. Hwao-tang inhibited neutrophil functions, including degranulation, superoxide generation, and leukotriene B4 production, without any effect on 5-lipoxygenase activity. In conclusion, the protection of extracts of Hwao-tang on the ischemic infarction induced artificially might be involved to their inhibition of thrombotic action. The results also indicate that Hwao-tang exerts the effects on superoxide generation related to the inhibition of neutrophil functions.
Sook-Jahr Park,Kyung-Ah Park,Cherl-Woo Park,Won-Seck Park,Jeong-Ok Kim,Yeong-Lae Ha 한국식품영양과학회 1996 Preventive Nutrition and Food Science Vol.1 No.2
Molecular weight and partial amino acid sequence of the cis,9-cis,12-octadecadienoate isomerase(linoleate isomerase) of Butyrivibrio fibrisolvens A-38 were determined. Linoleate isomerase was isolated from the bacteria cultured anaerobically and purified by ultracentrifugation in conjunction with Sepharose 6B column chromatography, Phenyl sepharose 4B column chromatography and fast performance liquid chromatography(FPLC). The isomerase was a single polypeptide with 19KD of molecular weight, when determined by SDS-PAGE. Fourteen amino acids sequence of N-terminal of the linoleate isomerase was N-GEIDKYPRRIIKQQ determined by Edman method.
Determination of the phytic acid levels in infant foods using different analytical methods
Park, Hee-Ra,Ahn, Hyun-Joo,Kim, So-Hee,Lee, Cherl-Ho,Byun, Myung-Woo,Lee, Gil-Woong Elsevier 2006 Food control Vol.17 No.9
<P><B>Abstract</B></P><P>The analytical methods of phytic acid determination in infant foods were evaluated, and then, the method suggested in this study was applied to determine the phytic acid level in commercially available infant foods for both the flour and paste types. The spectrophotometric (AOAC and Wade reagent) and chromatographic (GC-FID and HPLC) methods were compared, and the spectrophotometrically determined value showed higher phytic acid levels than that of the chromatographic methods (<I>p</I><0.05). The AOAC method showed a complete recovery for the infant foods after spiking the phytic acid, while a poor recovery was observed by GC-FID and HPLC-RI. The average levels of phytic acid in the infant foods determined by the AOAC methods were 363mg/100g for the flour type and 46.3mg/100g for the paste type on a wet basis. When the phytic acid level was converted into a dry basis, the phytic acid levels of the paste types were much higher than that of the flour type. Thus, the amount of phytic acid intake per meal was calculated, and the phytic acid level per meal was high in the paste type as wells as the flour type. Therefore, a problem with phytic acid might be considered for the infant foods of both the flour and paste types.</P>