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김순동,구연수,이인자,김미경,박인경 동아시아식생활학회 2000 동아시아식생활학회지 Vol.10 No.4
Major chemical components of sweet drink and vinegar prepared with Liriopis tuber were investigated sensory quality. The contents of total soluble solid, total sugar, non-reducing sugar, total saponin, ash and protein in the processed of Liriopis products ranged 7.71~10,67%, 4.94~9,77%, 1.98~4.67%, 0.80~0.59%, 0.40~0.36%, and 0.44~0.49%, respectively. In addition, levels of succinic, malic and acetic acid in the products ranged 78.9~96,3, 23.6~6.3 and 12.7 ~2686.0㎎/100㎖ respectively, Meanwhile, the sweet drink contained 1.89㎎%(w/v) of hydroxyprolin, 0,39㎎%(w/v) of glutamic acid, 0.22mg%(w/v) of arginine, 0.15㎎%(w/v) of citruline and 0.11㎎%(w/v) of potassium. The vinegar contained 2.89㎎%(w/v) hydroxyprolin, 248.2 ㎍/100ml glutamic acid, 99.2 ㎍/100ml arginine, 205,5 ㎍/100㎖ citruline and 143.46㎍/100㎖ potassium.
Monascus pilosus 코오지로 담근 간장의 품질 특성
박미자,김미정,이윤경,김순동 한국식품저장유통학회(구 한국농산물저장유통학회) 2002 한국식품저장유통학회지 Vol.9 No.1
A. oryzae 코오지로 담근 간장(SAO), M. pilosus-1 코오지 담근 간장(SMP) 및 이들 코오지를 50%씩 혼합하여 담근 간장(SAM)의 숙성 중 품질을 평가하였다. 90일간 숙성시킨 간장의 품질을 조사한 결과는 다음과 같다. pH는 SAO>SAM>SMP 순서로 SMP에서 가장 낮았다. SAO, SMP 및 SAM의 총 질소함량은 각각 1.15, 1.22 및 1.36%로 SAM에서 가장 높았다. SAM의 아미노태 질소함량은 0.78%로 SAO 및 SMP보다 높았다. 총 유리아미노산 함량은 SAO, SMP 및 SAM에서 각각 533.8, 732.4 및 807.3 ㎎/100 mL 이였다. SAO에서는 glutamic acid(65.20 ㎎/100 mL), SMP에서는 alanine(101.42 ㎎/100 mL), SAM에서는 glutamic acid(130.52 ㎎/100 mL)의 함량이 가장 높았다. 간장 숙성 중 protease와 β-amylase의 활성은 SAM에서 가장 높았으며, α-amylase활성은 SAO에서, glucoamylase의 활성은 SMP에서 가장 낮았다. Hue angle 값은 SAO 56.3, SMP 29.0, SAM 32.2 이였다. SMP 및 SAM의 monocolin K의 함량은 각각 6.21 및 3.10 ㎍/mL을 함유하였으며 HMG-CoA reductase에 대한 저해활성은 각각 21.5 및 10.2.%를 나타내었다. 색상, 냄새, 맛난 맛 및 종합적인 맛은 SAM에서 비교적 양호하였다. This study was conducted to evaluate the quality characteristics of different soy sauces. The soybean sauces brewed by the A. oryzae koji(SAO), M. pilosus-1 koji(SMP) and the mixture of 50% A. oryzae koji and 50% M. pilosus-1 koji(SAM) during 90 dyas fermentation. Total nitrogen contents of the SAM, SAP and SMP were 1.36%, 1.15% and 1.22%, respectively. Content of amino type nitrogen in SAM was 0.78%, and the content was higher than those of SAO and SMP. Total free amino acid contents of SAO, SMP and SAM were 533.8, 732.4 and 807.3 ㎎/100 mL. The highest contents of free amino acids were glutamic acid(65.20 ㎎/100 mL) in SAO, alanine(101.42 ㎎/100mL) in SMP, glutamic acid(130.52 ㎎/100 mL) in SAM. The highest activities of protease and β-amylase showed in SAM, and the lowest activities of α-amylase and glucoamylase were in SAO and SMP, respectively. Hue angle values showed 56.3 in SAO, 29.0 in SMP and 32.2 in SAM. Monacolin K contents, as inhibitor of cholesterol bio-synthesis were 6.21 ㎍/mL for SMP and 3.10 ㎍/mL for SAM, and the inhibitory activities of SMP and SAM against HMG-CoA reductase were 21.5 and 10.2%, respectiviely. Sensory scores for color, flavor, savory taste and overall taste of SAM was higher than those of SAO and SMP.
박순자,안남순,김윤호,Park, Soon-Za,Ann, Nam-Soon,Kim, Yoon-Ho 대한화학회 1966 대한화학회지 Vol.10 No.2
Four kinds of clays from Sinyewon mine which is located in Chungchoungnam-Do district and two kinds of Japanese clays (Gairome, Kibushi) were selected and studied on the fundamental properties of these clays and those which are refined by the elutriation method. Chemical analysis, grading analysis such as refractoriness, specific gravity, color, fired color and plasticity, particle size distribution, various thermal tests, X-ray diffraction analysis and electron microscopic survey were carried out on these clays. The comparison of domestic clays with Japanese clays was made. 1. In chemical composition and physical properties, these four kinds of Sinyewon clays are almost similar to each other and also to Gairome and Kibushi clays. In refractoriness, Gairome and Kibushi clays have relatively high value such as SK 34 and 35, while Sinyewon clays have the value of about SK 32. Especially Sinyewon clay B has the low refractoriness (SK 18) and plasticity. Refined clays have the tendency of somewhat higher value than crude ones in refractoriness. 2. When burnt up to $900^{\circ}C$, the coefficients of contraction of Sinyewon clays were under 1.5%, Gairome under 1.3%, Kibushi under 3.0%. Only Sinyewon clay B showed expansion (1.0%) instead of contraction. 3. X-ray diffraction analysis and electron micrography showed that all of four Sinyewon clays and two Japanese clays are mainly composed of poorly crystallized kaolin, containing small amount of halloysite, sericite and considerable amount of quartz and feldspar. Sinyewon clay B contains especially large amount of quartz and feldspar. In general, it has been found out that the refined clays were free from large amount of iron oxide, quartz and feldspar.
稀土類中 토리움의 分離定量 에 관하여 (第一報) 過酸化水素法에 對한 檢討
최한석,박순자,Choi, Han-Suk,Park Soon Za 대한화학회 1957 대한화학회지 Vol.4 No.1
On the performance of the hydrogen peroxide method for Th-determination we encountered some difficulties, namely the formation of the insoluble matter occured in the nearly neutral solution after evaporation. We carried out the Th-determination in the mixture of the Th and some kind of the rare earth, and found that the insoluble matter was not formed in case of the mixture of Th and some kind of rare earth, but formed in case of Monazite. The formation of the insoluble matter in the case of Monazite sand, however, could be avoid by using the beaker instead of the evaporating dish and by adding the water repeatedly before it was completely evaporated to dryness.