• Title/Summary/Keyword: 청국장(淸麴醬)

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The History of Chongkukjang (청국장의 역사)

  • Chung, Kyung Rhan
    • The Journal of the Korea Contents Association
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    • v.18 no.7
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    • pp.647-655
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    • 2018
  • Someone said Chongkukjang(淸麴醬) might be a Jang(醬) that made it possible to eat quickly at the time of war, and it is called Jonkukjang(戰國醬), or it might have been learned from the Qing Dynasty, and it was also called Chongkukjang(淸國醬) or Jonsijang(煎?醬). It is not true. Even more they say the first appearance of Chongkukjang in the Korean ancient documents is in "Jeungbosallimgyeongje(增補山林經濟)" of the 1700s. Other argument is that Chongkukjang is also known as the Three Kingdoms since it was in the records of 'Shi(?)' which means Meju and chongkukjang written in "The Chronicles of the Three States(三國史記)". It is not clear whether Chongkukjang was introduced from the Qing Dynasty (1600s) or from the Three kingdom period. In this article, the history of Chongkukjang was studied through the records of ancient documents. There was a Chongkukjang(?) in Goguryeo and Silla era. Chongkukjang was called as Jyonkuk(젼국), Chyonkuk(쳔국), Chyongkuk(?국), and it was written as '?' as the Chinese character. Chongkukjang began to be perceived as Jang such as Doenjang and Gochujang at some time, and it was used as Jonsijang, Jonkukjang, but now it was unified as Chongkukjang(淸國醬). The meaning of '?' also means Chongkukjang until the 1500s, and after 1600, it happened to be it's meaning is changed to Meju and Doenjang. There is no evidence that Chongkukjang has history of war or food related to the Qing Dynasty. Chongkukjang has more than 2200 years of history, but since it was there before it recorded, it had a history of thousands of years earlier than this.

Derivation and history for cheonggukjang in the Ancient Writings (고문헌에 나타난 청국장의 유래와 역사)

  • Chung, Kyung Rhan
    • Proceedings of the Korea Contents Association Conference
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    • 2018.05a
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    • pp.107-108
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    • 2018
  • 청국장의 유래와 역사에 대해 구체적으로 밝혀진 바가 없다. "훈몽자회(訓蒙字會)"(1527)에 '시(?)'는 젼국, 쳔국, ?국으로 청국장을 의미했으며, '장국(醬麴)'을 며주라고 하였다. 그후 '시(?)'는 전시장(煎?醬), 전국장(戰國醬)이라고 하다가 청국장(淸麴醬)이 되었으며, 1600년대 이후 시(?)는 메주, 된장의 의미로 바뀌었다. 청국장의 유래는 청나라에서 유래된 것이 아니며, 또한 전쟁과 관련이 있는 음식도 아니다. 하룻밤새 쉽게 만들어먹는 꼭 필요한 음식으로 구황음식이었고, 2200년이 넘는 긴 역사를 가진다.

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Study on the Processing Adaptability of Soybean Cultivars for Korean Traditional Chonggugjang Preparation (콩 품종별 청국장의 가공적성 연구)

  • Chang, Chang-Moon;Yoo, Seon-Mi
    • Applied Biological Chemistry
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    • v.42 no.2
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    • pp.91-98
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    • 1999
  • To select the desirable soybean cultivar for chonggugjang processing, the physicochemical characteristics of raw soybean materials and chonggugjang samples were investigated. Eight soybean varieties including Danyeobkong, Danbaegkong, Kwanankong, Pureunkong, Manlikong, Sinpaldalkong 2, Jinpeumkong and Hwankeumkong were used for experiment. On the basis of quality characteristics of raw materials, such as seed coat weight rate, hydration swelling, and the content of fructose, glucose and sucrose, and chonggugjang, such as hardness, ${\gamma}-glutamyltranspeptidase\;({\gamma}-GTP)$ activity, free amino acid content, and amino type nitrogen content, Sinpaldakong 2 and Danyeobkong were desirable soybean cultivars for high quality chonggugjang processing.

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Studies on Physiological and Functional Properties of Susijang, Fermented Soybean Paste (수시장(콩발효식품)의 생리기능적 특성에 관한 연구)

  • Ryu, Bog-Mi;Sugiyama, Kuniko;Kim, Jung-Suk;Park, Min-Hee;Moon, Gap-Soon
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.36 no.2
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    • pp.137-142
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    • 2007
  • This study was carried out to observe the antioxidant and angiotensin converting enzyme (ACE) inhibitory activity of susijang (Korean traditional fermented soy food). The antioxidant activity of susijang was measured by using TEAC (trolox equivalent antioxidant capacity) assay. In addition contents of isoflavones, phenolic acids and amino acids were determined. TEAC values of chungkukjang and susijang were significantly higher than those of yellow soybean (p<0.05). The contents of isoflavones (genistein, daidzein) were found to be significantly higher in chungkukjang and susijang than yellow soybean. The susijang showed high content of free amino acids and phenolic acids. ACE inhibitory activity of susijang was significantly higher than those of chungkukjang and yellow soybean, particularly of 70% ethanol extract.

The Design?Marketing Strategy through emotion-oriented categorization(focused on Korean traditional sauce) (감성지향적 범주화를 통한 디자인?마케팅 전략(장류제품을 중심으로))

  • Lee, Yu-Ri;Yang, Jong-Yeol;Park, Sang-Jun
    • Proceedings of the Korean Society for Emotion and Sensibility Conference
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    • 2007.05a
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    • pp.64-66
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    • 2007
  • 범주화(categorization)은 제품디자인에 있어서 매우 중요하다. 범주화의 유형에 따라 소비자의 감성이 다르고 감성의 차이에 따라 디자인 컨셉 및 디자인요소가 다르게 배합되어야 하기 때문이다. 특히 요즘처럼 제품라인이 확대되어 제품의 차별화가 모호한 경우에는 범주화과정이 필요하다. 즉 감성의 유사성정도를 바탕으로 정확한 범주를 정하고 컨셉화하여 소비자 지향적인 디자인을 제공해야 하는 것이다. 본 연구는 특정의 제품범주(장) 안에 유사한 하위 범주(고추장, 된장, 청국장, 쌈장, 간장)를 구성하고 있는 장류제품전체와 고추장, 된장, 청국장, 쌈장, 간장제품에 대한 소비자의 감성을 추출하고 그 유사성정도를 바탕으로 고추장, 된장, 청국장, 쌈장, 간장의 범주를 결정하여 디자인방향을 어떻게 결정해야 할지를 제시하는데 목적이 있다. 장류제품을 연구대상으로 한 것은 장류제품이 한국인의 식탁에서는 가장 기본적이고 중요한 제품 중의 하나이고 또 현대화시대의 라이프스타일과 환경의 변화로 시장이 확대되고 있기 때문이다. 실증연구는 전북지역과 서울지역의 소비자을 바탕으로 이루어졌다. 본 연구는 학문적 측면과 실무적 측면에서 제품디자인에 대한 다양한 통찰력을 제공할 것이다.

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Effect of Sword Bean Chunggukjang Addition on Quality of Kochujang (작두콩 청국장 첨가 고추장의 품질 특성)

  • Chang, Moon-Ik;Kim, Jae-Young;Kim, Seong-Jo;Baek, Seung-Hwa
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.40 no.9
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    • pp.1292-1299
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    • 2011
  • This research aimed to determine the quality characteristics of kochujang made of sword bean chunggukjang. The effects of chunggukjang addition were compared in products fermented for 90 days. During the fermentation period of kochujang, sword bean chunggukjang was added at 0, 2, 5, 8, and 10%. The moisture content ranged from 40.24 to 42.83% (w/w). After 90 days of fermentation, sodium chloride was at around 10.2 to 10.3%, which was not much different from that of control kochujang (SBC 0) before and after fermentation. The color values were not significantly different between SBC kochujang and traditional kochujang. The microbial counts in 0, 2, 5, 8, and 10% SBC kochujang fermented for 90 days were around $5.42{\times}10^7$ to $9.59{\times}10^7$ CFU/g for aerobic viable cells, $1.14{\times}10^2$ to $9.73{\times}10^2$ CFU/g for yeast, and $8.49{\times}10^2$ to $1.25{\times}10^3$ CFU/g for Bacillus cereus. Sensory evaluation of kochujang showed that the comprehensive preference was 5.40, 5.15, 6.30, 6.10, and 6.95, respectively, for SBC 0, 2, 5, 8, and 10%. In conclusion, the quality difference between SBC and traditional kochujang was not significant, and sensory evaluation of kochujang showed that SBC 10% received the highest score.

Genotoxicological Safety on Water-Soluble Fraction of Gamma Irradiated Korean Soybean Fermentation Foods (감마선 조사된 장류 물추출 분획의 유전독성학적 안전성 평가)

  • 육홍선;이은미;김동호;이경행;변명우;이현자;이영남
    • Journal of Food Hygiene and Safety
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    • v.15 no.4
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    • pp.297-303
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    • 2000
  • Gamma irradiation at 20 kGy was applied to Kanjang (soy sauce), Doenjang (soybean paste), Kochujang (hot pepper pasts) and Chungkukjang for their possible genotoxicity. The genotoxicity of 20 kGy-irradiated samples was evaluated by Salmonella typhimurium reversion assay. The Salmonella tester strains included TA98, TA100, TA1535 and TA1537 in the absence and presence of an exogenous metabolizing system (59 mix). All samples were negative in the bacterial reversion assay with S. typhimurium TA98, TA100, TA1535 and TA1537. The results indicated that 20 kGy of gamma irradiation on water-soluble fraction of Kanjang, Doenjang, Kochujang and Chungkukjang were not shown mutagenicity.

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Physicochemical and functional characteristics of fermented products by using Sigumjang, Cheonggukjang and oak mushroom (시금장, 청국장 및 표고버섯을 혼합 발효한 제품의 이화학 및 기능적 특성)

  • Hong, Gi-Hyeong;Kim, Soo-Jung;Kim, Eun-Joo;Kim, Hyeong-Soo;Hwang, Eun-Gyeong
    • Food Science and Preservation
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    • v.21 no.2
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    • pp.276-285
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    • 2014
  • The purpose of this study was to develop a new fermented product (named as Cheonggeumjang) using Sigumjang, Cheonggukjang and Oak mushroom. This study was conducted to evaluate the effects of Sigumjang, Cheonggukjang, and Cheonggeumjang, which were mixed in a different ratio as A (Sigumjang: Cheonggukjang = 1:2), B (Sigumjang: Cheonggukjang = 1:1) and C (Sigumjang: Cheonggukjang = 2 : 1). Then, the functions and physicochemical properties of products were investigated. We found that the crude protein content in Cheonggeumjang was higher than in Sigumjang whereas fat and calories content was less than that of Cheonggukjang. Free sugar content in Cheonggeumjang C 5.8681 g/100g was the highest. Moroever, Cheonggeumjang C and Sigumjang has an antioxidant activities. The electron donating capacity, SOD like activity and the inhibitory effect on xanthine oxidase of these two were significantly high than other group. Fat rancidity is promoted in the presence of metal ion, Cheonggeumjang group has higher inhibitory effect on $Fe^{2+}$ion than on $Cu^{2+}$ ion. The rancidity of fat is also increased by reactive oxygens species, Cheonggeumjang group inhibited $H_2O_2$ in higher extent than $KO_2$. Also, ${\alpha}$-glucosidase inhibition activity of Cheonggeumjang C in all of the concentrations (300 ppm, 500 ppm and 700 ppm) is higher than other groups. In sensory evaluation, Cheonggeumjang C groups is ranked significantly higher than the other groups while considering color, flavor, taste and the overall acceptability. Taken together, the results of this study suggest that Cheonggeumjang is best ingredient for increasing the consumer acceptability and functionality.

Determination of Amounts of Benzoic Acid and Propionic Acid in Fermented Soybean Products (장류 중 안식향산과 프로피온산 함량 조사)

  • Lee, Seung-Hee;Lee, Mi-Yeon;Lim, Seong-Rak;Bae, Ji-Hye
    • Korean Journal of Food Science and Technology
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    • v.45 no.5
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    • pp.565-570
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    • 2013
  • This study investigated the detection of naturally occurring preservatives in fermented soybean products. Benzoic acid was identified in all of the analyzed samples (gochujang, ganjang, doenjang, and cheonggugjang). The amounts of benzoic acid were in the range of 0.85-11.69 ppm in gochujang, 1.13-7.95 ppm in ganjang, 0.74-17.77 ppm in doenjang, and 1.03-7.64 ppm in cheonggugjang. Propionic acid was found in 24 of 29 gochujang samples, 21 of 30 ganjang samples, 31 of 33 doenjang samples, and 28 of 30 cheonggugjang samples. The amounts of propionic acid ranged from N.D. (not detected) to 49.29 ppm in gochujang, N.D. to 144.67 ppm in ganjang, N.D. to 309.14 ppm in doenjang, and N.D. to 113.07 ppm in cheonggugjang. Among the fermented soybean products, doenjang had the highest average benzoic acid content whereas cheonggugjang had the highest average propionic acid content.

Quality Properties and Isoflavone Contents of Chungkukjang Containing Isoflavone Extracted from Arrowroot (Pueraria lobata Ohwi) (칡 이소플라본을 첨가한 청국장의 품질 특성 및 이소플라본 함량)

  • Lee, Myung-Ye;Chang, Kyung-Ho
    • Journal of the East Asian Society of Dietary Life
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    • v.20 no.4
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    • pp.543-550
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    • 2010
  • This study was conducted to determine the characteristics of chungkukjang with added isoflavone extracted from arrowroot and to determine its utility as a functional food substance. Crude isoflavone was prepared from arrowroot by the ethanol extraction method and frozen dried (AI). Samples of chungkukjang each had different amounts of isoflavone extracts added to them: 0 (control), 1.76 (AC1-chungkukjang), 3.52 (AC2-chungkukjang), and 7.11 (AC3-chungkukjang) g/kg. The pH, color, slime material content, calcium, and isoflavone of each sample were measured to investigate the quality and changes in isoflavone content. As AI increased, the pH of chungkukjang decreased to 7.46~7.53 compared to the pH of control (7.63). The slime material content range increased to 4.46~6.16%. However, there was no significant difference in the general components of chungkukjang between each of the groups (Con, AC1, AC2, AC3). In colors of chungkukjang, values for $L^*$, $a^*$, and $b^*$ decreased as AI increased. Meanwhile, the calcium content of AC1, AC2 and AC3 tended to increase by 11.18~12.82% compared to the control. This may be due to the influence of Ca in the arrowroot extract powder. There was a remarkable increase in total isoflavone content, by 30.81~130.66%, with an order of AC3>AC2>AC1. In all of the groups, the content of genistein and daidzein, aglycone form, increased dramatically, by 65.00~128.34%, and 89.38~142.91%, respectively, compared to the control. In AC3, in particular the genistin and daidzin content increased by 103.47% and 188.13%. These results showed that AI can be used as a source of isoflavone supplementation in chungkukjang.