• Food Science and Preservation
• /
• v.19 no.6
• /
• pp.925-932
• /
• 2012

This study was performed to improve quality of traditional Yakju and compares quality of Yakju according to different rice cultivars. The pHs of Ilmi Yakju and Hanarum Yakju showed 4.14 and 4.07, respectively and the other Yakju's pHs were ranged from 3.92 to 3.98. The content of total acid of Yakju using Indica rice imported from Thailand was the highest among the samples. The major components of free sugar was glucose and the highest content of total free sugars was found in Indica Yakju. The content of reducing sugars in Yakju using Indica rice was the higher than other samples. The ethanol content of Hanarum Yakju showed higher than those Yakju's and the lowest ethanol content found for the indica Yakju. The volatile compounds from the rice Yakju were identified by GC-MS. Twenty-one volatile compounds were found in rice Yakju. And the major volatile compounds were ethanol, acetic acid, 1-methyl-1-propanol, 2-methyl-butane, 3-methyl-1-butanol, iso-amylalcohol and 1-hexanol from Yakju. As the result of sensory test, higher scores for smell and color were found for the Yakju used Hanarum Yakju. The highest score sweat and acid were found for the Anda rice Yakju in sensory test. The result of sensory evaluation indicated that Hanarum Yakju and Anda Yakju were better than the other samples, and the value of bitterness was no significant in this test.

• Journal of the Korean Regional Science Association
• /
• v.37 no.1
• /
• pp.45-61
• /
• 2021

This research purposes to design a methodological framework to suggest the optimal method to resolve the conflicts of stakeholders surrounding the water use charge of the Han River region, and to use the analysis results to provide the direction of policy. For this, it was preceded that the process of understanding the mechanisms of the multifaceted conflict between decision makers taking different positions over water use charge of the Han River region, and an optimal method to resolve the conflict of water use charge of the Han River region was derived by using a graph model for conflict resolution(GMCR). According to the analysis results, the optimal state to find a solution to the water use charge of the Han River is that the Seoul-Incheon-Gyeonggi region pays the charge according to the original rate while Seoul-Incheon requesting discount the water use rate. In addition, the Han River management committee should establish policies desired by Seoul-Incheon-Gyeonggi region including rationalization of the decision-making structure to determine the rate of water use charge, making the basis to support the Han River management fund system for the Seoul-Incheon region, and transparent management of the Han River management fund system considering the characteristics of beneficiary regions and residents. This study is expected to provide objective decision-making information in establishing environmental policy directions related to conflict resolution in the water use charge of the Han River region and to offer a methodological basis for similar follow-up studies related to conflicts derived from sharing nature environment.

• Journal of Wetlands Research
• /
• v.25 no.4
• /
• pp.230-236
• /
• 2023

The sewage system was continuously distributed as a concept of public service and protection for water system such as wet-land, resulting in deterioration of the management of sewage management institutions. Accordingly, under the leadership of the central government, various sewage policies are being promoted to streamline the management of sewage management institutions. The main points were related to costs, and typical characteristics include wastewater cost and wastewater discharger cost. In this research, the current status and characteristics of the wastewater discharger cost of 71 local governments in Korea were analyzed. As a result, 41 places (57%) were found to be less than 1,000,000 won/m³ to 2,000,000 won/m³, with an average was 1,990,653 won/m³ (median was 1,918,000 won/m³). In addition, the rate of wastewater discharger cost was increased when the wastewater discharger cost was higher stage. The influential parameters of local governments, which were relatively correlated with the wastewater discharger cost, were analyzed as the rate of recovering wastewater cost and financial independence rate. The results of this research could be used as basic data for wastewater discharger cost, and future researches are needed on how to calculate the appropriate level of wastewater discharger cost.

• Food Industry And Nutrition
• /
• v.8 no.2
• /
• pp.56-59
• /
• 2003

알칼리성 protease의 일종인 thermoase를 선택하여 다양한 배합비로 고추장을 담금하고, 각 담금별 품질 특성에 대해 조사한 결과, 적정산도는 및 환원당 함량은 개량메주로 담금한 고추장(control)에서 높았다. 아미노태 질소 함량은 thermoase를 0.1% 이상 첨가한 고추장( II ~ V )에서 숙성 30~40일경에 최고 440.23~599.75mg%로, 속성발효 진행을 확인할 수 있었다. 속성고추장의 색상은 숙성이 진행됨에 따라 밝은 적색에서 어두운 암적색으로 변화하였으나 효소제에 따른 일정한 경향은 나타나지 않았다. 각 고추장의 점도는 숙성기간이 경과 될수록 증가 추세였으며, 고추장(IV, V )는 묽어지는 경 향을 나타내었다. 이와 같은 결과를 고려할 때 속성고추장 담금에 적합한 ther-moase 첨가수준은 0.15~0.2%로 사료되었다.

• Transactions of the Korean Society of Mechanical Engineers
• /
• v.13 no.3
• /
• pp.419-423
• /
• 1989

The laboratory quench method used in this study is based on plunging a silver cylinder heated to 800.deg. C in to mineral oil and vegetable at given temperature. Experimental apparatus and measuring method followed Korean Industrial Standard. Colling curves at the boundary of the cylinder measured by a silver-alumel thermocouple is recorded throughout the quenching period. Using the cooling curves, the coolingability of the quenching oils at various temperatures were compared and discussed.

• 주택과사람들
• /
• s.193
• /
• pp.56-57
• /
• 2006

오는 7월 12일 이후 전국을 대상으로 건축연면적 200㎡를 초과하는 아파트, 상가, 오피스텔 등 모든 건축물의 건축 행위에 대해 기반시설부담금이 부과된다. 입법 예고 중인 기반시설부담금의 산정 방법 및 부과 금액과 시장에 미치는 영향에 대해 알아보았다.

• Korean Journal of Food Science and Technology
• /
• v.35 no.5
• /
• pp.943-950
• /
• 2003

To identify the functional properties of Hongkuk ju and to improve its brewing process, Hongkuk ju was brewed using different hongkuks (Monascus red koji) made by Monascus purpureus, Monascus anka, Monascus aruneosus, and nuruk. Hongkuk using M. purpureus showed the highest enzyme activity. Hongkuk ju prepared with the M. purpureus hongkuk was fermented most efficiently, and showed the highest Hunter value. Hongkuk ju showed significant levels of phenolic compounds, electron donating ability, nitrate-scavenging activity, and ACE inhibition activity. In particular, Hongkuk ju made with M. purpureus showed the highest value among the wines of this study.

• Applied Biological Chemistry
• /
• v.30 no.2
• /
• pp.147-152
• /
• 1987

Soy sauce which was prepared with a mixture of defatted soybeans ant wheat flour koji added into acid-hydrolyzed soy sauce was evaluated for the chemical changes in levulinic acid, ethanol and amino acids composition during fermentation, Results showed that the highest reducing sugar content of $12.13{\sim}15.76%$ was found after $20{\sim}40\;days$ fermentation. The contents of total nitrogen, amino nitrogen, and ethanol increased with increase in fermentation time. A high levulinic acid content was fount at the initial fermentation period which was gradually decreased with further fermentation. The content of lactic acid also increased during fermentation. Amino acids such as Glu, Leu, Ala, Phe, Asp, Thr, Ser, Gly, Met, Tyr, Lys, His, Arg and Pro were detected in all tested groups. Higher values were found particularly for Glu, Leu, Ala and Phe and lower values for His, Tyr and Met. The most of amino acids increased in their contents after 120 days of fermentation.

• Food Science and Preservation
• /
• v.20 no.3
• /
• pp.365-371
• /
• 2013

The organic acids, fuel oil contents and antioxidant activities of Yakju with the addition of rice varieties were investigated. The rice cultivars that were used in this study were Ilmi rice, Hopyung rice, Hopum rice, Hanarum rice, Anda rice and Indica rice. The study results are as follows: the pH values of Ilmi Yakju and Hanarum Yakju were 4.14 and 4.07, respectively, and those of the other Yakjus, 3.92~3.98. The total titratable acid content of the Yakju for which Indica rice was imported from Thailand was highest among the samples. The reducing sugars content of the Yakju for which Indica rice was used was higher than that of the other samples. The ethanol content of the Hanarum Yakju was higher than that of the other Yakjus, and the lowest ethanol content was found for the Indica Yakju. The major organic acid component of the Yakju was lactic acid. The total organic acid content was highest in the Indica rice Yakju. The amounts of the following main fusel oils were highest, in the following order: 2-butyl alcohol, 2-pentanol, N-propyl alcohol, acetaldehyde, ethyl acetate, methyl alcohol and 2-methyl-1-propyl alcohol. The DPPH free radical scavenging activity of the Indica rice Yakju was much higher than that of the Ilmi rice Yakju and the Hanarum rice Yakju. Also, the SOD activity of the Indica rice Yakju was strongest among all the samples. The total polyphenol content of the Indica rice Yakju was the highest among all the samples.

• The monthly packaging world
• /
• s.209
• /
• pp.122-125
• /
• 2010

환경부는 자원의 절약과 재활용촉진에 관한 법률 시행령 일부개정령(안)을 공고했다. 이번 시행령은 개정은 폐기물부담금에 관한 자발적 협약을 통하여 전국적인 회수 재활용체계가 구축된 윤활유 용기 등을 생산자책임재활용 제도로 전환하고, 중소 플라스틱 제조업체에 대한 폐기물부담금을 감면하는 등 현행 제도의 운영과정에서 나타난 일부 문제점을 개선 보완하고자 하는데 있다. 본 고에서는 주요 내용을 살펴보고 신 구조문을 비교해 본다.