• Title/Summary/Keyword: dairy products

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The Impact of Plant-Based Non-Dairy Alternative Milk on the Dairy Industry

  • Park, Young Woo
    • Food Science of Animal Resources
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    • v.41 no.1
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    • pp.8-15
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    • 2021
  • Vegetarians have claimed and actively promoted the advantages of plant-based alternative milks as the best option for human nutrition and health, compared to the natural dairy milk. However, numerous scientific evidences and reports have demonstrated that the natural milk possesses more beneficial nutrients and bioactive components than artificially manufactured plant-derived milks. The biochemical and nutritional advantages and functionalities of natural dairy milk cannot be replaced by man-made or crafted plant-based beverage products. On the other hand, the tremendous increase in production and consumption of the plant-based alternative milks in recent years has led a serious business downturn in traditional roles and stability of the dairy industry, especially in the major dairy producing Western countries. Although plant-based milk alternatives may have some benefits on nutrition and health of certain consumers, the plant-derived alternative milks may not overshadow the true values of natural milk. Milk is not a high fat and high cholesterol food as animal meat products. Unlike plant-based alternative milks, natural milk contains many bioactive as well as antiappetizing peptides, which can reduce body weight. It has proven that taking low-fat, cultured and lactase treated milk and dairy products with other diversified nutritionally balanced diets have been shown to be healthier dietary option than plant-based milk/foods alone.

Current Status and Prospects of Korean Dairy Industry (낙농 산업의 현황과 발전 방향)

  • Lee, Sang-Soo
    • Journal of Dairy Science and Biotechnology
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    • v.25 no.2
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    • pp.33-40
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    • 2007
  • The Korean dairy industry has been developed continuously for the past seventy years both in quality and quantity; now the total amount of dairy products accounts for 13 percent of that of livestock production - a remarkable turnover. Korea now stands at the 13th economic power around the world and it is inevitable that we must pursue an open-door policy at a global level; the dairy industry should also strengthen its potentialities in the long term in order to compete with advanced dairy countries. It is predicted that the impact of DDA agreement and FTA negotiations on the domestic dairy industry will be great; so it is urgently needed that we should reconsider the current status of the dairy industry and comprehensive mesures for dairy industry development to improve its international competitiveness. Such measures comprise the three aspects: first, reforming the policy of dairy industry-related systems, second, improving the productivity and third, expanding the consumption of dairy products. In terms of the system reforming, the most important things are, above all, the planned production relevant to market needs, the milk supply and demand management, and the raw milk transaction method. Secondly, the appropriate scale of management is important for the enhancement of productivity together with the modernization of dairy facilities. Thirdly, step-up effort is needed to expand the milk consumption; especially, more milk should be provided to the students by improving the standing milk ration system in middle and senior high schools. The government should make more effort to support and develop new dairy products tuned to consumers' taste, accelerating the publicity of diverse and steady milk consumption together with related organizations.

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High dairy products intake reduces osteoporosis risk in Korean postmenopausal women: A 4 year follow-up study

  • Park, Seon-Joo;Jung, Ji Hye;Ki, Myung-Sunny;Lee, Hae-Jeung
    • Nutrition Research and Practice
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    • v.12 no.5
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    • pp.436-442
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    • 2018
  • BACKGROUND/OBJECTIVES: The aim of this study was to identify the effect of dairy products, milk and yogurt on osteoporosis incidence among Korean postmenopausal women using prospective cohort data. MATERIALS/METHODS: Between 2001 and 2003, 10,038 participants were recruited in rural and urban areas for a baseline examination of a community-based cohort study. Of those, 1,573 postmenopausal women (aged 40-69 years at baseline) were eligible for the present study. Intakes of dairy products, milk, and yogurt were assessed using a validated semi-quantitative food frequency questionnaire. The speed of sound at the radius and tibia were measured using a quantitative ultrasound device and osteoporosis was defined based on the WHO criteria (T-score ${\leq}-2.5$). RESULTS: During the 4-years follow-up study, the cumulative incidence of osteoporosis was 18.4% (273 cases) in the radius and 33.6% (407 cases) in the tibia. The subjects with higher frequency of dairy product consumption showed a decreased risk of radius osteoporosis after adjusting for potential confounders [hazard ratio (HR) = 0.51, 95% confidence interval (CI): 0.33-0.80 for >1 time/day vs. non consumer; P for trend = 0.0027]. Similarly, high frequency of milk and yogurt consumption had a protective effect on radius osteoporosis risk [milk: HR = 0.60, 95% CI: 0.42-0.87 for > 5-6 times/week vs. non consumer (P for trend = 0.0130), yogurt: HR = 0.51, 95% CI: 0.30-0.85 for > 5-6 times/week vs. non consumer (P for trend = 0.0167)]. However, high dairy products consumption was not related with tibia osteoporosis. CONCLUSIONS: This study suggests that daily intake of dairy products could potentially reduce radius osteoporosis incidence among Korean postmenopausal women.

Development of non-dairy creamer analogs/mimics for an alternative of infant formula using egg white, yolk, and soy proteins

  • Huang, Xi;Lee, Eun Joo;Ahn, Dong U.
    • Asian-Australasian Journal of Animal Sciences
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    • v.32 no.6
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    • pp.881-890
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    • 2019
  • Objective: A study was conducted to develop non-dairy creamer analogs/mimics using egg white, egg yolk, soy protein and their combinations, and their nutrient content, shelf-life and flavor acceptability were compared. Methods: Spray dried egg white, egg yolk, and soy protein isolate were purchased from manufacturers and used for the formulae. Results: The protein contents of the non-dairy creamer analogs/mimics were about 8.5% as calculated. The amounts of oleic and linoleic acid content increased as the amount of yolk increased in the formula, but the increases of polyunsaturated fatty acids were <0.5% of total fat. Addition of egg yolk to the formula increased choline and lutein content in the products, but the amounts were <0.4 mg/g for choline and $4{\mu}g/g$ for lutein. The lutein in the products continued to decrease over the storage time, and only about 15% to 20% of the 0-month amounts were left after 3 months of storage. Although the thiobarbituric acid reactive substances values of the spray-dried non-dairy creamer analogs/mimics increased as storage time increased, the values were still low. Yellowness, darkness, and egg flavor/odor of the non-dairy creamer analogs/mimics increased as the amount of egg yolk in the formula increased. The overall acceptability of the non-dairy creamer analogs/mimics was closely related to the intensity of egg flavor/odor, but storage improved their overall acceptance because most of the off-odor volatiles disappeared during the storage. Water temperature was the most important parameter in dissolving spray-dried non-dairy creamer analogs/mimics, and $55^{\circ}C$ to $75^{\circ}C$ was the optimal water temperature conditions to dissolve them. Conclusion: Higher amounts of yolk and soy protein combinations in place of egg white reduced the cost of the products significantly and those products contained better and balanced nutrients than the commercial coffee creamers. However, off-flavor and solubility were two important issues in the products.

The Outlook of the Global Dairy Industry and Its Current Situation - III. 2015 World Dairy Situation of Milk Production - (세계 낙농산업 동향 - III. World Dairy Situation 2015 액상우유 및 유제품 생산을 중심으로 -)

  • Lim, Jin-A;Oh, Sejong
    • Journal of Dairy Science and Biotechnology
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    • v.33 no.4
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    • pp.281-285
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    • 2015
  • The international dairy federation's main objectives are to enhance the international dairy market and industry by producing an annual world dairy situation report. The IDF National committee and other international contributors provide a questionnaire to be completed for the country reports on top of other various official studies. Through this report, one can understand the full overview of the global dairy market and specified dairy studies across the world. Due to the economic boom of many developing nations, in 2014 the dairy market saw great increase in the total milk production. The estimated volume is at 802 million tons which is a 3.3% increase from the previous year. The world dairy trade states that due to the abundance of milk, other bi-products such as dairy powder and butter production increased as well. Generally, there is an increasing trend for the demand and supply of milk and all dairy products in the international dairy market.

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Evaluation of Chemical Analysis Method and Determination of Polycyclic Aromatic Hydrocarbons Content from Seafood and Dairy Products

  • Lee, So-Young;Lee, Jee-Yeon;Shin, Han-Seung
    • Toxicological Research
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    • v.31 no.3
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    • pp.265-271
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    • 2015
  • This study was carried out to investigate contents of 8 polycyclic aromatic hydrocarbons (PAHs) from frequently consumed seafood and dairy products and to evaluate their chemical analysis methods. Samples were collected from markets of 9 cities in Korea chosen as the population reference and evaluated. The methodology involved saponification, extraction with n-hexane, clean-up on Sep-Pak silica cartridges and gas chromatograph-mass spectrometry analysis. Validation proceeded on 2 matrices. Recoveries for 8 PAHs ranged from 86.87 to 103.57%. The limit of detection (LOD) 8 PAHs was $0.04{\sim}0.20{\mu}g/kg$, and limit of quantification (LOQ) of 8 PAHs was $0.12{\sim}0.60{\mu}g/kg$. The mean concentration of benzo[a]pyrene (BaP) was $0.34{\mu}g/kg$ from seafood and $0.34{\mu}g/kg$ from dairy products. The total PAHs concentration was $1.06{\mu}g/kg$ in seafood and $1.52{\mu}g/kg$ in dairy products.

Outlook of the Global Dairy Industry and Its Current Situation: V. Milk Production and Trade after 2020 (세계 낙농산업 동향: V. 2020년 이후 우유 생산 및 교역을 중심으로)

  • Subin Kim;Sejong Oh
    • Journal of Dairy Science and Biotechnology
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    • v.42 no.1
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    • pp.1-8
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    • 2024
  • The global dairy industry has faced substantial challenges because of the prolonged coronavirus of 2019 (COVID-19) pandemic since 2020 and the initiation of conflict between the Ukraine and Russia. In 2022, the overall milk production reached 936 million tons, reflecting a modest 1.1% increase in total global production. This indicates below-average growth for the second consecutive year because the supply to major export regions became more challenging owing to a significant increase in costs. In China, India, and Pakistan, total milk production increased markedly by 3.1% (average) because of buffalo milk production. In the near future, global milk production is expected to exhibit an average annual growth rate of 1.5%, exceeding that of other major agricultural products. Notably, the trade flow of dairy products is highly reactive to changes in the trade policy environment. Revisions to existing trade agreements or the introduction of new agreements can significantly impact the demand for dairy products and alter the trade patterns of the industry. Collectively, adaptability and strategic policy responses are critical in shaping the future development of this industry, and industry stakeholders worldwide should remain vigilant and prepare for these challenges.

Starter Clutures for Milk Fermentation and Their Characteristics (우유발효에 이용되는 Starter Culture와 그 특성)

  • Keum, Jong-Soo;Kim, Jong-Woo
    • Journal of Dairy Science and Biotechnology
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    • v.14 no.1
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    • pp.97-118
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    • 1996
  • All over the world there is an increasing consumer awareness of the potential influence of various foodstuffs on our health. Today dairy products are expected to be more just food. They have to taste well, appeal and give pleasure, provide of well-being, provide specific health benefits and prevent disease. This paper reviews the different types of fermented milks and their microflora and includes recent work on yogurt, soft cheese and buttermilks, kefir and koumiss. There is considerable interest in the new health promoting products which are now available. Meanwhile during the last decade a new generation of fermented milk products containing selected intestinal bacteria has been introduced to the markets. These are discussed in the light of some recent findings on the ability to lower the blood cholesterol concentration and stimulate the immune response and also describes some fermented milk products available, selection criteria for commercial starter cultures.

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Effect of Heat-Killed Enterococcus Species on the Viability of Yogurt Starters (사균화 Enterococcus Species 첨가에 의한 요구르트 스타터 생장에 미치는 영향)

  • Kim, Seongjun;Park, Dong June;Oh, Sejong
    • Journal of Dairy Science and Biotechnology
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    • v.40 no.1
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    • pp.48-56
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    • 2022
  • Enterococcus species have been reported to produce unique flavoring ingredients in fermented dairy products. Generally, they were found in cheese and fermented dairy products. Enterococcus spp. produce extracellular polysaccharides and reduce blood cholesterol levels in humans. This study used heat-killed E. faecalis and E. faecium in yogurt production to increase safety during consumption. The addition of heat-killed E. faecalis and E. faecium to milk did not affect the fermentation time of yogurt production, the growth of starter cultures, and the viscosity of yogurt. These results concluded that heat-killed Enterococcus, rather than live Enterococcus, is sufficiently possible and even safer to be added to milk products. Enterococcus species could be used as a safe and functional food additive to fermented milk products and supplements in health foods.