• Title/Summary/Keyword: improved food

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Phytoestrogenic Effects of Combined Plant Extracts on the Change of Bone Metabolism of OVX Rats (복합 생약추출물의 식물성 에스트로겐 활성이 OVX rat에 미치는 골대사 변화)

  • Kim, Soo-Nam;Li, Yong-Chun;Xu, Hong-De;Yi, Dong-Geun;Kim, Min-Seop;Lee, Sung-Pyo;Yi, Kwon-Taek;Lee, Jae-Kyoung;Kim, Jae-Soo;Kwon, Myung-Sang;Chang, Pahn-Shick;Kwak, Bo-Yeon
    • Korean Journal of Food Science and Technology
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    • v.40 no.3
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    • pp.316-320
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    • 2008
  • This study examined the combined plant extracts (FGF271) of Estromon in ovariectomized (OVX) rats to determine whether Estromon's significant clinical improvement effects on menopausal symptoms are predominantly due to the phytoestrogenic action of the combined extracts. The results showed that all three FGF271-treated groups had significantly improved serum osteocalcin levels as compared to the control group (p<0.05). In addition, all FGF271- and Estromon-treated groups had increases in femoral bone mineral density (FBMD) (p<0.05), and the increase in the FGF271 group was dose-dependent. A pairwise comparison of the FGF271- and Estromon-treated groups receiving the same dosage of FGF271 indicated that there was no significant difference between the groups. Therefore, the FBMD increases that occurred in the Estromon groups were solely attributable to the phytoestrogenic effects of FGF271. It was conclude that the phytoestrogenic effects of Estromon, as shown in clinical studies, are predominantly caused by FGF271, the mixed extracts of Cynanchum wilfordii, Phlomis umbrosa, and Angelica gigas.

A Historical Study on Fruits in Korea (우리나라 과실류(果實類)의 역사적(歷史的) 고찰(考察))

  • Kang, Choon-Ki
    • Journal of the Korean Society of Food Culture
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    • v.5 no.3
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    • pp.301-311
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    • 1990
  • The agriculture of Korea was begun in the neolithic era partly and generalized around 4,000 B.C. Discovery of acorn and stoneworks used in agriculture in neolithic era in 8,000 B.C to 6,000 B.C suggests that prehistoric ancestors of Korean night use acorn, hazel-nuts, and haws, etc. as foods. Cultivation of chestnuts, peaches, plums, pears, and japanese apricots was found in Mahan, the tribal states, and in the period of three kingdoms and Balhae dynasty too. In the period of Koryo, pears, plums, japanese apricots, pine nuts, apricots, grapes, jujubes, gingko nuts, oranges, and citrons were cultivated and used in diet. Sejongsilrokjiriji(1454), a geography of the early chosun, and Sinjungtonggukyojisungnam(1492) show that they cultivated almost all fruits we are now cultivating such as hazel-nuts, haws, nutmeg nut, and so on. Loquats seem to be brought in the early chosun era and figs around 16th century. Pecans, sweet cherries were brought around 1,900 and recently tropical fruits like kiwis were brought in and used in a large scale. In addition, Some fruits were used in medical treatments. Fruits increase the pleasure of the diet and sometimes they are used as a measure of a standard of living. Fruits have been improved and used for a long time, their status in our diet will be maintained resolutly.

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Meat Quality and Storage Characteristics of Finishing Pigs by Feeding Stevia and Charcoal (스테비아와 숯이 급여된 비육돈의 육질 및 저장특성)

  • Lee, Jae-Joon;Park, Sung-Hyun;Jung, Dong-Soon;Choi, Yang-Il;Choi, Jung-Soek
    • Food Science of Animal Resources
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    • v.31 no.2
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    • pp.296-303
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    • 2011
  • This study was conducted to determine the effects of stevia (Stevia rebaudiana Bertoni) and charcoal supplementation on meat quality traits in finishing pigs. A total of 420 pigs (LYD) were randomly allocated into seven treatments with three replications. The dietary treatments were T1 (control, basal diet), T2 (basal diet+0.3% stevia), T3 (basal diet+0.6% stevia), T4 (basal diet+0.3% charcoal), T5 (basal diet+0.6% charcoal), T6 (basal diet+0.3% stevia+0.3% charcoal), and T7 (basal diet+0.6% stevia+0.6% charcoal). Pigs were slaughtered conventionally on each marketing day and chilled overnigth. At 24 h postmortem, the Longissimus muscle from left side between the 6th and 14th rib was removed for the meat quality traits. The T6 group showed a higher pH, water holding capacity (p<0.05), and lower drip loss (p<0.05) than those in the T1 group. The T6 group showed lower (p<0.05) $L^*$ (lightness) and $b^*$ (yellowness) values and higher $a^*$ (redness) color value than those in the T1 group, resulting in a redder surface meat color. In the subjective evaluation, marbling and color scores improved in the T6 group compared to those in the other treatments. In the panel test, the T6 group tended to have higher tenderness and juiciness scores than those in the T1 group. In the storage characteristics, all treatments showed similar 2-thiobarbituric acid and volatile basic nitrogen values as well as total microbial counts during 7 d of cold storage. As a result, dietary supplementation with 0.3% stevia and 0.3% charcoal showed the highest meat quality traits and storage characteristics in finishing pigs.

Effect of Backfat Thickness on the Carcass Grade Factors and Carcass Price in Hanwoo Cows and Steers (등지방 두께가 한우 암소와 거세우의 도체 등급 요인 및 도체가격에 미치는 영향)

  • Lee, Jong-Moon;Choe, Ju-Hui;Park, Hyun-Kyung;Kim, Yuen-Ho;Park, Beom-Young;Kim, Kwan-Tae;Koh, Kyung-Chul;Seo, Sang-Chul;Hwang, Kyu-Seok
    • Food Science of Animal Resources
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    • v.31 no.2
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    • pp.280-289
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    • 2011
  • Analyses were conducted to estimate the effect of backfat thickness (BFT) on carcass grade factors and carcass price in Hanwoo cows and steers. Data on grade factors and prices were collected from 69,159 Hanwoo carcasses (n = 13,376 cows, n = 55,783 steers) abtained at the Nonghyup Seoul slaughter house in 2009. Carcass BFTs were divided into nine categories from ${\leq}$ 3 mm to ${\qeq}$ 25 mm. The average BFTs were 11.93 mm in cows and 12.57 mm in steers. An increase in the BFT resulted in an increase in carcass weight, loin-eye area, skeletal maturity, fat color, but decreases in the yield index and yield grade (from grade A to C) in cows and steers. Carcass unit price (Won/kg) improved if the carcass was sold with a BFT of 13-15 mm in cows and 10-12 mm in steers. Marbling score and quality grade increased significantly to 21 mm BFT but decreased from a BFT of 22 mm in cows and steers. BFT was significantly correlated with yield index (cow, r = $-0.97^{**}$; steer, r = $-0.96^{**}$), marbling score (cow, r = $0.20^{**}$; steer, r = $0.14^{**}$), and carcass price (cow, r = $0.03^{**}$; steer, r = $-0.11^{**}$). These results could be used as a fundamental dataset for further research to increase the productivity of Hanwoo carcasses.

Studies on the Brewing of Kochujang (Red Pepper Paste) with the Addition of Mixed Cultures of Yeast Strains (효모혼용(酵母混用)에 의한 고추장의 양조(釀造)에 관(關)한 연구(硏究))

  • Lee, Taik-Soo;Yang, Keel-Ja;Park, Yoon-Joong;Yu, Ju-Hyun
    • Korean Journal of Food Science and Technology
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    • v.12 no.4
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    • pp.313-323
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    • 1980
  • The objective of this experiment was to improve the quality and shortening the aging time of Kochujang by adding mixed starter cultures of yeast strains. Kochujangs were mashed during the summer season with mixed starter cultures of Saccharomyces rouxii, Torulopsis versatilis and Torulopsis etchellsii. Enzyme activities and chemical composition of the Kochujang were determined during the period of aging and their organoleptic values were tested. The maximum activities of liquefying amylase and saccharogenic amylase in the Kochujang were obtained during 20 to 60 days and 20 to 30 days after mashing respectively. The acidic protease activity was reached maximum during 20 to 40 days. All enzyme activities were decreased markedly during the final stage of aging period. Among mixed starter cultures tested, mixed culture of T. versatilis and T. etchellsii shows the highest liquefying and saccharogenic amylase activities. Ethyl alcohol contents in 10 days after mashing were highest in the Kochujang with S. rouxii and T. versatilis, followed in order of S. rouxii and T. etchellsii mixture, T. versatilis and T. etchellsii mixture and control without addition of yeast. But the contents in all sample became similar after 20 days with the level of 2.3 to 2.8% and then decreased gradually. The level of reducing sugar contents was markedly increased during the first 10 days, especially in the batches of T. versatilis and T. etchellsii mixture and control. However, the concentration became similar in all samples after 40 days. The contents of amino nitrogen were increased markedly during the first 10 days then slowly up to 90 days. The rate was high in the Kochujang with T. versatilis and T. etchellsii when compared with others. The organoleptic values of all Kochujang made with addition of yeast starter cultures were superior to control, especially in flavor, taste and color. The Kochujang with T. versatilis and T. etchellsii marked the highest value. The data obtained from this experiment suggests that the quality of Kochujang could be improved by using starter culture of suitable yeast strains according to product characteristics and aging time.

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A study on manufacturing of red ginseng Makgeolli using the red ginseng starch and changes of physicochemical components of red ginseng Makgeolli during storage periods (홍삼 전분을 이용한 홍삼막걸리의 제조 및 이화학적 성분 변화)

  • Lee, Hwan;Kim, Yeong-Su;Kim, Do-Yeon;Kim, So-Young;Lee, Wan-Kyu;Lee, Sang-Myeong;Park, Jong-Dae;Shon, Mi-Yae
    • Food Science and Preservation
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    • v.22 no.3
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    • pp.369-376
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    • 2015
  • This study was performed to develop the maufacturing processes of Makgeolli using red ginseng starch (RGS). After the fermentation of RGS with koji, nuruk, and yeast, the different temperature effects on the number of the yeast cells, the content of organic acid, free sugars, and total acid, and pH were investigated. There were no changes in the composition of the yeast cell number and content of organic acid amd during 20 days at $4^{\circ}C$. The content of free sugars (sucrose, glucose and mannose) and the pH value of red ginseng Makgeolli decreased during storage at $4^{\circ}C$. This meant that the total acid content and pH value increased after organic acid was produced from fermentation. Therefore, red ginseng Makgeolli is highly acidic and sour. Since high acidity helps improve storage conditions, so this developed red ginseng Makgeolli is considered safe for consumption. Furthermore, the total content of ginsenoside was 2.47 mg/mL, which was differentiate Makgeolli using red ginseng starch, with others. Therefore, new red ginseng Makgeolli is rich in organic acid, free sugars, and ginsenoside. As a result, its storage, taste, and flavor improved.

Effects of Bambusae Caulis in liquamen on inhibition of angiotensin-converting enzyme in vitro and blood flow in mouse model (죽력의 in vitro에서의 angiotensin-converting enzyme 저해효과와 마우스모델에서 혈행개선효과)

  • Kim, Chun dug;Ryu, Min Jung;Chun, Hyoung Sik;Choi, Geun Pyo;Hwang, Kwonteak
    • Food Science and Preservation
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    • v.24 no.7
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    • pp.992-999
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    • 2017
  • The purpose of this study was to investigate the effects of the Bambusae Caulis in liquamen (BCL) on blood circulation in animal models. Previous studies on BCL have shown effects on thrombolytic activity and angiotensin-converting enzyme (ACE) inhibitory activity. In the mouse model, the triglyceride content were 301.5 mg/dL in the high fat diet+BCL II 0.01% group, 289.2 mg/dL in the high fat diet+BCL II 0.05% group, which was significantly lower than the high fat diet group. The total cholesterol content was 311.9 mg/dL in high fat diet+BCL II 0.01% and 293.7 mg/dL in high fat diet+BCL II 0.01% 0.05%, respectively, which was significantly lower than the high fat diet group. The HDL-cholesterol level was 206.0 mg/dL for the high fat diet, 196.6 mg/dL for the high fat diet+BCL II, and 189.2 mg/dL for the high fat diet+BCL II. There was no significant difference between the 0.01% and 0.05% groups. The high-fat diet+0.05% group was significantly improved in the blood flow compare to the high fat diet and the high fat diet+0.01% group. Platelet aggregation inhibition ability was inhibited in the high fat diet+0.01% and 0.05% groups compared to the high fat diet group.

Microflora and enzyme activity of conventional Meju, and isolation of useful mould (재래식 메주의 미생물군, 효소역가 및 유용 균주의 분리)

  • Choi, Seong Hyun;Lee, Mi Hyun;Lee, Seuk Keun;Oh, Man Jin
    • Korean Journal of Agricultural Science
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    • v.22 no.2
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    • pp.188-196
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    • 1995
  • To obtain useful mould strain in soybean fermentation industry, we collected conventional Meju all over the Korea and tested existance of aflatoxin in Meju collected. Also, we measured distribution of microorganism and enzyme activity of Meju and isolated Aspergillus oryzae O4-5 as a industrially useful mould. The results obtained were summarized as follows: 1. Aflatoxin was not detected by EZ-Screen Test Kit and HPLC analysis in various Meju sample collected all over the Korea from 1994.12 to 1995.2. 2. Colony forming units(CFU) of mould, yeasts, aerobe, and anaerobe were $1.3{\times}10^4-2.8{\times}10^6$, $1{\times}10^2-1.5{\times}0^6$, $2.0{\times}10^7-8.0{\times}10^8$ and $3.0{\times}10^6-7.3{\times}10^8$ per gram of Meju, respectively, indicating that CFU inter Meju samples were varied with big difference. 3. The activities of ${\alpha}$-amylase and gluco-amylase were 5-80 units and 2-34 units per g of Meju, respectively. It was shown that enzyme activity was varied depending on where the Meju was collected. 4. The activities of acidic, neutral and alkaline protease were 5-33 units, 5-302 units and 5-363 units per g of Meju, respectively. Acidic protease of Improved Meju made by D-Company was higher than that of conventional Meju as 66 units per g of Meju. 5. CNU O4-5 strain selected as a noble strain could produce amylase and protease in high level, and identified as a strain that belongs to Aspergillus oryzae. 6. The activities of acidic and neutral protease of Aspergillus oryzae CNU O4-5 strain isolated were about 10% higher than those of Aspergillus oryzae JM which has been used in soybean fermentation industry. Amylase activity of CNU O4-5 strain was similar to Aspergillus oryzae JM.

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The Effects of Medical Nutrition Therapy on Plasma Lipid Levels of Apo E3 genotype hyperlipidemic Patients according to Sasang Constitutions (APo E3 Genotype 고지혈증 환자에서 사상체질에 따른 의학영양치료 혈중 지질 농도에 미치는 영향)

  • Moon, Bo-Kyoung;Cho, Mi-Ran;Lee, Hei-Ok;Song, Il-Byung;Choue, Ryo-Won
    • Journal of Sasang Constitutional Medicine
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    • v.15 no.1
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    • pp.60-71
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    • 2003
  • The purpose of this study was to investigate the effects of medical nutrition therapy(MNT) on plasma lipid levels of hyperlipidemic patients with apo E3 genotype according to Sasang Constitutions. From March to July, 2001, the 33 hyperlipidemic patients admitted to K University Medical Center were studied. The study subjects were classified according to their Sasang constitutions by QSCC II questionnaire which have been used at K University Oriental Medical Center. The anthropometric assessments, blood analysis, and apo E genetic typing were carried out. Nutrient intake was determined by food record method of food taken during two weekdays and one weekend. The MNT including the instruction for hypolipidemic and hypocholesterolemic diet (step l diet) was performed for 12 weeks. The results are as follow; (1) The mean age of hyperlipidemic patients was $49.91{\pm}8.48$ years. (2) The distributions of Sasang Constitution were 60.6% of Tae-eum, 21.2% of So-yang, and 18.2% of So-eum. The distributions of apo E genotype were 6.5% of apo E2/3, 78.8% of apo E 3/3, and 15.2% of apo E 3/4. (3) The nutrient consumption of the apo E3 subjects before the MNT showed lower calorie, iron, calcium, and vitamin B2 intakes than the RDAs for each nutrients with no significant differences among the constitutions. After 12-week of MNT, only the fat consumption was decreased in the Tae-eum group. The MNT did not change the pattern of food intake. (4) The plasma level of triglyceride, total cholesterol, and LDL-C were not changed after MNT in the three constitutional groups. The level of HDL-C was significantly increased significantly in Tae-eum and So-yang group and the level of homocystein was lowered in Tae-eum group after MNT. It could be concluded that the 12-weeks MNT with hypolipidemic and hypocholesterolemic diet did not change the level of total cholesterol, triglyceride, and LDL-C effectively regardless of Sasang constitutions even though the subjects' dietary intake was improved by MNT.

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Characteristics of Hot-Water Extracts from Salmon Frame as Basic Ingredients for Gomtang-like Products (열수추출 연어 Frame 엑스분의 곰탕 유사 제품 베이스로서의 특성)

  • Han, Byung-Wook;Kim, Hye-Suk;Jee, Seung-Joon;Lee, Jae-Hyoung;Kim, Hyung-Jun;Park, Shin-Ho;Ji, Seong-Gil;Heu, Min-Soo;Kim, Jin-Soo
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.36 no.10
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    • pp.1326-1333
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    • 2007
  • For preparing the basic ingredients of Gomtang-like products from the extracts of salmon frame, the extraction conditions of salmon frame were examined, and the characteristics of the extracts were compared with commercial Gomtang. Based on the crude protein, Ex-N and sensory attributes, the extractions were optimized by extracting pretreated-salmon frame in 12 times (v/w) of water for 12 hrs, before filtering with cheese cloth to yield 3 times the volume of the raw material. The concentrations of heavy metals in extracts from salmon frame were below the safety limits suggested by KFDA. The mai or amino acids were glutamic acid and aspartic acid as the free amino acids, and glycine, proline, and glutamic acid as the total amino acids. The calcium and phosphorus contents were 18.0 mg/100 mL and 33.1 mg/100 mL, respectively, and they accounted for 20% and 18% of the recommended daily allowance for mineral intake. The angiotensin I converting enzyme (ACE) inhibitory activity was improved by incubation with Flavourzyme for 4 hrs and its $IC_{50}$ was 2 mg/mL. The results above suggested that the enzymatic hydrolysates from extracts of salmon frame could be used as a basic ingredient for preparing Gomtang-like products.