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양주홍,장영상,신효선 ( Joo Hong Yang,Yong Sang Chang,Hyo Sun Shin ) 한국유화학회 1987 한국응용과학기술학회지 Vol.4 No.2
A preliminary investigation was performed to evaluate the possibility of partially replacing palm oil and beef tallow by repeseed oil for frying oils of instant Ramyon manufacturing. The AOM stability of rapeseed oil was inferior than of palm oil, but was comparable to that of beef tallow. When rapeseed oil was blended with palm oil or beef tallow, the AOM stability of the blended oil was improved. As far as AOM stability is concerned, best results were obtained with a blending ratio of 3 part of rapeseed oil to 7 part of palm oil and a ratio of 4 part of rapeseed oil to 6 part of beef tallow. These blended rapesee oils was retarded the formation of conjugated dienes and polymers during heating. The antioxidative effects on the stabilities of AOM and thermal in blended rapeseed oils showed that TBHQ was superior to tocopherols and a mixture of BHA and BHT was inferior.
양주홍,김종승,신효선 한국식품위생안전성학회 1994 한국식품위생안전성학회지 Vol.9 No.4
The oxidation of cholesterol in tallow heated at three frying temperatures, 130, 150 and 180℃ was studied by assaying cholesterol oxidation products(COP) by GC-MS. The correlation between levels of COP and changes of physicochemical parameters (peroxide value, polymer, polar components and dielectric constant) in tallow heated were studied. As temperature increased, the amount of cholesterol was decreased proportionally with heating time. However, the levels of COP did not increase considerably with increased frying temperature. The rate of cholesterol disappearance was the greatest at 180℃ and the smallest at 130℃. Larger amounts of COP formed were found at 150℃ than at 180℃. The levels of COP formed in tallow heated showed highly correlation with(r=0.94, n=30, p$lt;0.01) polymer, polar components and dielectric constant, respectively.
속방형 및 용출조절형 비타민 C 정제의 용출 특성 비교 분석
양효진,류나희,양주홍,홍선호,이연경,조양희 한국식품위생안전성학회 2022 한국식품위생안전성학회지 Vol.37 No.2
In this study, a comparative dissolution experiment was conducted between an immediate-release and a controlled-release vitamin C tablet applied with a technology to control the dissolution of vitamin C to maintain the vitamin C level in the human body. In order to confirm the dissolution rate (%) of vitamin C tablets, HPLC determination was conducted based on the dissolution test methods in the ‘Korean Pharmacopoeia (No. 2020-88),’ ‘Guidelines on Specifications of Dissolution Tests for Oral dosage Forms,’ and ‘Standard and Specifications for Health Functional Foods (No. 2020-63)’ from Ministry of Food and Drug Safety (MFDS). In addition, the dissolution pattern between the immediate-release tablet and the controlled-release tablet was comparatively analyzed. The analysis result confirmed that the immediate-release vitamin C tablet was 100% dissolved after 45 minutes, while the controlled- release vitamin C tablet was 100% dissolved after 480 minutes (8 hours). Furthermore, the dissolution rate (%) at 60 minutes was slower than that of the immediate-release vitamin C tablet. Based on these results, this study confirmed that the dissolution rate (%) test and development of controlled-release tablets containing vitamin C as the main component a re possible.