• Title/Summary/Keyword: term milk

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Comparison of the Sanitary Conditions of Raw Milk Cheese and Pasteurized Milk Cheese Sold in the Market: A Preliminary Study (시중에 판매되고 있는 비살균 치즈와 살균 치즈의 위생상태 비교: 예비연구)

  • Lim, Hyun-Woo;Kim, Se-Hyung;Chon, Jung-Whan;Bae, Dongryeoul;Song, Kwang-Young;Jeong, Dongkwan;Seo, Kun-Ho
    • Journal of Dairy Science and Biotechnology
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    • v.37 no.1
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    • pp.33-39
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    • 2019
  • The purpose of this study was to explore the microbiological safety of various cheeses made from raw milk currently imported and sold in Korea. A total of 12 cheeses were considered for the study - 4 kinds of imported cheese made from raw milk, 4 kinds of imported cheese made from pasteurized milk, and 4 kinds of domestic cheese made from pasteurized milk, and aerobic count, presence of E. coli, Salmonella spp., and Listeria monocytogenes were investigated. Results from this study showed that in the 12 different kinds of cheese tested, E. coli, Salmonella spp., and Listeria monocytogenes were negative. Therefore, the sanitary conditions of imported cheese made from raw milk, imported cheese made from pasteurized milk, and domestic cheese made from pasteurized milk are considered safe. The mean aerobic count in the 12 types of tested cheese was below 4.0 log CFU/g. In conclusion, various cheeses produced from raw milk or pasteurized milk currently sold in Korea have been found to be hygienic and safe. In the future, raw milk cheeses produced and sold in Korea will require long-term research not only to ensure safety but also to produce new, high-quality products.

Total Lipid, Total Cholesterol and Fatty Acid Composition in Colostrum from Mothers with Preterm Delivery and Pregnancy Induced Hypertension (조기분만과 임신성 고혈압 산모의 초유내 총지질, 총콜레스테롤 및 지방산 조정)

  • 안홍석
    • Journal of Nutrition and Health
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    • v.33 no.2
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    • pp.186-192
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    • 2000
  • In this study, total lipid and cholesterol contents and fatty acid composition of colostrum milk obtained from 30 normal mothers, 10 mothers who was delivered of preterm infant and 8 pregnancy induced hypertensive mothers were analyzed. While total cholesterol content in preterm colostrum was significantly lower than other groups (p<0.05), total lipid content was not different among three groups, ranged 2.24-.2.2g/dl. Composition of saturated fatty acide, such as lauric acid and myristic acid which are medium chain fatty acids in preterm milk were higher than those of normal-term and hypertensive mother's milk. There was no difference n total composition of polyunsaturated fatty acids and the rationh of $\omega$6/$\omega$3 among 3 group mother's colostrum, ranged 19.45-21.45% and 6.42-7.87, respectively. but the composition of arachidonic acid and DHA in colostrum of hypertensive mothers were significantly higher than those of normal and preterm mothers. These data indicates that gestational length and complications during pregnancy may change the lipid profile and fatty acid composition of hyman milk colosstrum.

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A Note on Preparation of Acid Milk Drink Containing Natural Grape Juice (포도과즙(葡萄果汁) 우유(牛乳) 혼합음료(混合飮料)의 시제(試製))

  • Hah, Duk-Mo
    • Korean Journal of Food Science and Technology
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    • v.7 no.4
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    • pp.250-253
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    • 1975
  • The acid milk containing grape juice was prepared from natural grape juice, acid milk and sugar as raw materials, and the stability of the drink was studied. The following results were obtained. 1. The milk mixed with natural grape juice formed coagulated precipitate by coupling of the colloidal materials in the juice with the milk protein and the formation of precipitate was accelerated by pasteurization. 2. The pectin in natural grape juice was affected on the stability of the product, and the stability increased with decrease in the content of pectin. When the content of pectin in natural grape juice was lower than 2.5mg%, the precipitate was not formed in the drink containing 10 to 20% of the juice. 3. The acid milk drink containing the natural grape juice treated with pectinase, not formed precipitate by pasteurization at $85^{\circ}C$, for 20 minutes and can be preserved for long term.

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CHANGES IN CONTENTS AND LOCALIZATIONS OF CARBONIC ANHYDRASE II, PROCHYMOSIN AND PEPSINOGEN IN ABOMASAL MUCOSAE DURING LONG TERM MILK FEEDING GOATS

  • Amasaki, H.;Gozawa, S.;Shimomura, Y.;Akuzawa, R.;Suzuki, K.;Daigo, M.
    • Asian-Australasian Journal of Animal Sciences
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    • v.5 no.3
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    • pp.527-532
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    • 1992
  • The present paper describes temporal changes of immunohistochemical localization and quantities of carbonic anhydrase isozyme II (CA-II) prochymosin (PC) and pepsinogen (PN) in goat's abomasal mucosae during long term milk feeding. The CA-II was not detected by day 14 after birth and then became positive on day 34 in the parietal cells, suggesting that the excretion of the hydrochloric acid (HCl) begins between days 14 and 34 under a feeding condition without solid materials. The quantity of the PC in the gastric chief cells detected by the ELISA showed rapid increase from the day of birth, making a peak on day 8 and then gradually decreased with age. The decrease in quantity of PC became started during the time period when HCl excretion had not started yet. The quantities of PN in the gastric chief cells were almost stable during the whole period examined. Expressions of these gastric enzymes did not seem to be regulated by the change of feeding condition.

Sensitivity Analysis of Input Parameters for a Dynamic Food-Chain Model DYNACON (동적섭식경로모델 DYNACON에 대한 입력변수의 민감도분석)

  • Hwang, Won-Tae;Lee, Geun-Chang;Han, Moon-Hee;Cho, Gyu-Seong
    • Journal of Radiation Protection and Research
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    • v.25 no.1
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    • pp.11-19
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    • 2000
  • The sensitivity analysis of input parameters for a dynamic food chain model DYNACON was conducted as a function of deposition date for the long-lived radionuclides $(^{137}Cs,\;^{90}Sr)$. Also, the influence of input parameters for the short and long-terms contamination of selected foodstuffs (cereals, leafy vegetables, milk) was investigated. The input parameters were sampled using the LHS technique, and their sensitivity indices represented as PRCC. The sensitivity index was strongly dependent on contamination period as well as deposition date. In case of deposition during the growing stages of plants, the input parameters associated with contamination by foliar absorption were relatively important in long-term contamination as well as short-term contamination. They were also important in short-term contamination in case of deposition during the non-growing stages. In long-term contamination, the influence of input parameters associated with foliar absorption decreased, while the influence of input parameters associated with root uptake increased. These phenomena were more remarkable in case of the deposition of non-growing stages than growing stages, and in case of $^{90}Sr$ deposition than $^{137}Cs$ deposition. In case of deposition during growing stages of pasture, the input parameters associated with the characteristics of cattle such as feed-milk transfer factor and daily intake rate of cattle were relatively important in contamination of milk.

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A Study on the Long Term Demand Estimation for the Livestock Products (축산물(畜産物) 수요(需要)의 장기여측(長期予測)에 관(關)한 연구(硏究))

  • Kim, Chul Ho
    • Korean Journal of Agricultural Science
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    • v.10 no.2
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    • pp.393-405
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    • 1983
  • The demand for livestock and poultry products including beef, pork, chicken, egg and milk whose income elasticities are relatively higher than other staple foods, has been increased significantly during the past two decades in response to the remarkable increase in per capita GNP. This trend will be continued during the fifth and the sixth five year economic development plan period beginning with 1982. The annual GNP growth rate will be 7.5% on the average during the next 10 years. It is greatly needed to estimate the demand for beef, pork, chicken egg and milk and to study the feasibilities of domestic production of livestock products for the formulation of adequate policies in order to equate the consumption and the production during the 1980s. So this study reviewed the possible changes in the food consumption patterns during the 1980s, estimated the demand for beef, pork, chicken, egg and milk by using empirical demand functions and finally made suggestions for the formulation of long term price stabilization policies for each livestock, poultry and dairy products through the equilibrium of the quantity of demand for and supply of the products. There are many factors affecting the demand for meats, but this study considered own price, prices of supplements and substitutes and per capita income as the independent variables in the demand equations. It was found that it's own price and income were most significantly affecting factors among others and the degree of substitution effects were remarkably different among the products. According to the meat demand derived in this study, per capita consumption of beef, pork and chicken in the base year 1982 was 11.2kg for total meat, 2.5kg beef, 6.0kg pork and 2.5kg chicken, 106 pieces egg, 15.1kg milk respectively, while those in 1991 were 19.3kg for total meat, 4.8kg beef, 9.6kg pork, 4.9kg chicken, 133pieces egg and 44.1kg milk. It is also predicted through this study that, when the level of production costs be maintained, the domestic production of pork and chicken will meet the demand for them during the fifth and sixth five year economic plan period. However, there will be chronic shortage of beef supply during the coming years. The annual import requirement will be 30,000tons to 40,000tons during the period. In order to stabilize the domestic livestock and poultry and dairy products market, the government should introduce measures to curb the increase in beef consumption by encouraging the consumption of pork and chicken. For this, the livestock production policy measures should be concentrated on : 1) the improvement of infrastructures of beef production by introducing advanced feeding and management technology, subsidies for the establishment of facilities and price support programs for farmers : 2) the development of dairy beef : 3) the reinforcement of the forecast systems for pork and chicken production and consumption.

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Latin American Native Indian's Feminism in Claudia Llosa's The Milk of Sorrow (La teta asustada) (클라우디아 요사의 <슬픈 모유>에서 나타나는 라틴아메리카 원주민 페미니즘 연구)

  • Choi, Eun-kyung
    • Cross-Cultural Studies
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    • v.43
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    • pp.115-138
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    • 2016
  • The Milk of Sorrow (La teta asustada) (2009) is a Peruvian-Spanish film by a young, female Peruvian director, Claudia Llosa (1976 - ). By applying the theories that feminist and subaltern scholar Gayatri Chakravorty Spivak presents in "Feminism and Critical Theory", the present work questions the ironic term, "Feminism in the Third World" by considering the Latin American context. Would the term refer to the feminism of Native Indian women or white creole women? The present work raises this question via Llosa's The Milk of Sorrow, in which a white creole woman, Aída, takes advantage of a quechua woman, Fausta. Through analysis of this film, this work demonstrates that in the Latin American context, even in a single country, there should be various types of feminism, since what Native Indian women fight against is different from what white creole women fight against. Thus, it insists that feminism in the Third World should develop in a deconstructionist manner, in which each woman has the ability to interpret her own social and political stance. Furthermore, it can be said that cultural appropriation is taking place in the "real" world as well as on the screen: a white creole director, Llosa, is taking advantage of a hot-button issue in our postmodern era, the violation of the human rights of minorities, especially those of Latin American Native Indian women, since Llosa became a success and won many prizes in international film festivals for her work.

Short-term effects of dietary selenium on lactating sows to improve litter performance, milk composition and tissue selenium retention in piglets

  • Xing Hao Jin;Hong Jun Kim;Cheon Soo Kim;Yoo Yong Kim
    • Animal Bioscience
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    • v.36 no.7
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    • pp.1083-1090
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    • 2023
  • Objective: This study was conducted to evaluate the short-term effects of dietary selenium supplementation on lactating sows on the physiological response, litter performance, milk composition, and tissue selenium retention in piglets when selenium was provided by different sources and at different levels in a lactation diet. Methods: A total of 48 multiparous sows (Yorkshire×Landrace) with average body weight, backfat thickness, and parity were assigned to one of the four treatments with 12 sows per treatment using a 2×2 factorial arrangement in a completely randomized design. Inorganic or organic Se sources were added to the diet at 0.30 ppm and 0.50 ppm Se. Treatments were as follows: i) IS30, basal diet + inorganic Se 0.30 ppm; ii) IS50, basal diet + inorganic Se 0.50 ppm; iii) OS30, basal diet + organic Se 0.30 ppm; and iv) OS50: basal diet + organic Se 0.50 ppm. Results: At Day 21 of lactation, a high tendency of litter weight (p = 0.08) and litter weight gain (p = 0.09) were observed when sows were fed an organic Se source. The milk Se concentration in the organic Se treatment was higher than that in the inorganic Se treatment at Day 21 of lactation (p<0.05). The serum Se concentrations of sows and piglets at Day 21 of lactation were significantly higher when lactating sows were fed organic Se instead of inorganic Se (p<0.01). During the suckling period, the kidney and muscle Se concentrations of piglets at Day 21 of lactation were significantly higher when the sow dietary Se source was organic (p<0.05). Liver Se concentrations were affected by Se source and level (p<0.05). This also resulted in an interaction response at 21 days of lactation (p<0.05). Conclusion: The supplementation of dietary organic Se in a lactating diet could improve sow feed consumption, piglet performance, milk Se level, and the Se status of sows and piglets.

The Effects of Soy-Based Infant Formula on Growth and Development, and the Isoflavone Concentration of Plasma and Urine in Full-Term Infants (액상대두유 섭취가 영아의 성장.발달과 혈액 및 뇨 중 Isoflavone 농도에 미치는 영향)

  • 이현주;이혜옥;장영은;김정숙;정사준;조여원
    • Journal of Nutrition and Health
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    • v.36 no.8
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    • pp.841-850
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    • 2003
  • Soy-based formula has been used for centuries in Korea. Soybeans contain phytochemicals with a biochemically active component, isoflavone. Isoflavone is a kind of phytoestrogens, structurally and functionally similar to estrogen. This study was conducted to investigate the effects of soy-based infant formula on growth, development, and isoflavone concentration in the plasma and urine. Thirty-nine healthy infants who were delivered at K university medical center were recruited. Experimental groups were the breast milk group (n = 15, BM) who were fed breast milk, soy-based formula group (n = 10, SBF) who were fed soy-based infant formula, and the casein-based formula group (n = 14, CBF) who were fed casein-based infant formula for 4 months. HPLC analysis was used to measure the concentration of isoflavones. The measurements of infant weight, length, head circumference and chest circumference were all in the normal growth range and were similar among the experimental groups. No significant differences were found in the scores of total mean of infant development test (Development Quotient, DQ) among the experimental groups. The isoflavone content of soy-based formula was significantly higher than. that of breast milk and casein-based formula. Plasma concentration of daidzein and genistein in the infants fed soy-based formula (daidzein : 264.1 ng/ml, genistein : 392.1 ng/ml) was significantly higher (p<.0001) than that in infants fed breast milk (daidzein : 3.4 ng/ml, genistein : 3.8 ng/ml) and casein-based formula (daidzein: 8.1 ng/ml, genistein: 9.3 ng/ml). Also, urinary daidzein and genistein concentrations in infants fed soy-based formula (daidzein: 19.82 $\mu$g/ml, genistein : 17.89 $\mu$g/ml) were significantly higher (p<.001) than those in infants fed breast milk (daidzein: 0.28 $\mu$g/ml, genistein : 0.22 $\mu$g/ml) and casein-based formula (daidzein : 0.45 $\mu$g/ml, genistein : 0.33 $\mu$g/ml).

Growth in Infants with Cow's Milk Protein Allergy Fed an Amino Acid-Based Formula

  • Vandenplas, Yvan;Dupont, Christophe;Eigenmann, Philippe;Heine, Ralf G.;Host, Arne;Jarvi, Anette;Kuitunen, Mikael;Mukherjee, Rajat;Ribes-Koninckx, Carmen;Szajewska, Hania;Berg, Andrea von;Zhao, Zheng-Yan
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • v.24 no.4
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    • pp.392-402
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    • 2021
  • Purpose: The present study assessed the role of an amino acid-based formula (AAF) in the growth of infants with cow's milk protein allergy (CMPA). Methods: Non-breastfed, term infants aged 0-6 months with symptoms suggestive of CMPA were recruited from 10 pediatric centers in China. After enrollment, infants were started on AAF for two weeks, followed by an open food challenge (OFC) with cow's milk-based formula (CMF). Infants with confirmed CMPA remained on AAF until 9 months of age, in conjunction with a cow's milk protein-free complementary diet. Body weight, length, and head circumference were measured at enrollment and 9 months of age. Measurements were converted to weight-for-age, length-for-age, and head circumference-for-age Z scores (WAZ, LAZ, HCAZ), based on the World Health Organization growth reference. Results: Of 254 infants (median age 16.1 weeks, 50.9% male), 218 (85.8%) were diagnosed with non-IgE-mediated CMPA, 33 (13.0%) tolerated CMF, and 3 (1.2%) did not complete the OFC. The mean WAZ decreased from 0.119 to -0.029 between birth and enrollment (p=0.067), with significant catch-up growth to 0.178 at 9 months of age (p=0.012) while being fed the AAF. There were no significant changes in LAZ (0.400 vs. 0.552; p=0.214) or HCAZ (-0.356 vs. -0.284; p=0.705) from the time of enrollment to age 9 months, suggesting normal linear and head growth velocity. Conclusion: The amino acid-based study formula, in conjunction with a cow's milk proteinfree complementary diet, supported normal growth till 9 months of age in a cohort of Chinese infants with challenge-confirmed non-IgE-mediated CMPA.