• Title/Summary/Keyword: Extending shelf-life

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Effect of Adipic Acid on Extending Shelf Life of Kimchi During Cooling Storage (Adipic Acid 첨가에 의한 김치의 저온 저장 중 저장 기간 증가에 관한 연구)

  • An, Duek-Jun
    • KOREAN JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY
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    • v.11 no.2
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    • pp.97-100
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    • 2005
  • To delay the fermentation of Kimchi during storage and handling, adipic acid, was selected due to its low acid dissociation constant. Sensory evaluation was conducted to find maximum dosage of adipic acid which does not influence the raw taste of Kimchi and 0.12%(wt. of adipic acid/wt. of Kimchi) was selected. At $10^{\circ}C$, the optimum and maximum shelf life was respectively 3.2 and 2.3 times longer than that of control. At 15 and $20^{\circ}C$, extension of shelf life was as follows: maximum shelf life with adipic acid was extended about 2.3-2.7 times and optimum shelf life was 1.3-1.5 times.

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Economic management of human businesses: Extending the life span of vegetables

  • Honglei Zhu;Duo Li
    • Structural Engineering and Mechanics
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    • v.85 no.4
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    • pp.461-468
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    • 2023
  • Edible coatings are one of the most innovative methods to preserve the quality and increase the shelf life of fresh fruits and vegetables. A successful edible coating should have a barrier against gases, especially oxygen and water vapor, and have good surface characteristics. Today, chitosan coating is widely used due to its properties, such as non-toxic, biodegradable, and biocompatibility. Is. Coating the surface of fruits and vegetables with chitosan increases shelf life due to reducing weight loss and reducing respiration rate and also reduces decay due to its antimicrobial and anti-fungal effect. This work discusses the effect of using chitosan coating containing chamomile extract to increase fresh vegetables'shelf life. In addition to increasing the shelf life of vegetables, this method can be used as a solution for the economic management of human resources. The results of this method confirm the successful synthesis of these nanoparticles, and the results of applying this food coating on vegetables have been successful. They have increased the shelf life of vegetables such as basil and spinach.

Predicting and Extending the Shelf Life of Red Cabbage Sprouts (적양배추싹의 Shelf Life 예측 및 Aqueous ClO2, Fumaric Acid, UV-C 병합처리)

  • Chun, Ho Hyun;Park, Seung Jong;Jung, Seung Hun;Song, Kyung Bin
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.42 no.9
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    • pp.1518-1523
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    • 2013
  • To estimate the shelf life of red cabbage sprouts (stored at 4 and $10^{\circ}C$), the numbers of total aerobic bacteria were determined during storage. Parameters for the Gompertz model were determined and the shelf life was predicted using a modified Gompertz equation. The estimated shelf lives of red cabbage sprouts packed with polyolefin film and polyamide/polyamide/polyethylene (PA/PA/PE) film at $4^{\circ}C$ were 49.4 and 52.3 h, respectively, whereas those of red cabbage sprouts packed with polyolefin film and PA/PA/PE film at $10^{\circ}C$ were 19.7 and 22.6, respectively. The shelf life prediction equation was appropriate, based on the statistical analysis of the accuracy factor, bias factor, and mean square error. On the other hand, for red cabbage sprouts treated with aqueous $ClO_2$/fumaric acid and UV-C then packed with polyolefin film or PA/PA/PE film, the shelf life was predicted to be longer than 168 h. These results suggest that the combined treatment of aqueous $ClO_2$/fumaric acid and UV-C can be useful for improving microbial safety and extending the shelf life of red cabbage sprouts during storage.

Potential of combining natural-derived antioxidants for improving broiler meat shelf-life - A review

  • Andiswa Ntonhle Sithole;Vuyisa Andries Hlatini;Michael Chimonyo
    • Animal Bioscience
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    • v.36 no.9
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    • pp.1305-1313
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    • 2023
  • Synthetic antioxidants have shown adverse effects on consumers. The review, thus, aims to assess the effect of marinating broiler meat with plant leaves-derived antioxidants potential for improving shelf-life and human health. Broiler meat loss and waste due to spoilage is more than three million kg annually, thus, extending shelf-life by reducing initial microbial load and autoxidation is essential. Adding various antioxidants would reduce oxidation of protein and fatty acids improving nutritional shelf-life through synergic interactions. Antioxidant synergetic effects also improves reduction in microbiota proliferation leading to the delayed development of off flavours and deterioration of meat colour. To reduce initial microbial load and autoxidation effects, the inclusion of polyphenols and antioxidants from varying sources by mixing various antioxidants would lead to improved synergic effects.

Factors Affecting Shelf-life of Washed Shell Eggs (세척란의 저장성에 영향을 미치는 요인)

  • 전기흥;박영신;유익종
    • Korean Journal of Poultry Science
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    • v.20 no.1
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    • pp.33-41
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    • 1993
  • Among the several factors that affect shelf-life of washed shell eggs, storage temperature and relative humidity were the most important. Besides those factors listed above, temperature of washing water, composition of foreign substances and washing method of eggs were also the factors affecting the shelf-life of the eggs. The effect of sanitizer treatment was significant in extending the shelf-life of eggs compared with washed and unwashed eggs. In case of oil coating treatment, the shell eggs treated showed the better results than that of washed and unwashed eggs because the coating materials prevented the moisture evaporation from the inner shell eggs and kept the contamination of microorganisms from the environment. Consequently, it is considered that reducing egg shell contamination of microorganisms and proper treatment could be the key to extend the shelf-life of shell eggs.

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Effect of Pichia farinosa SKM-1, Pichia anomala SKM- T, and Galactomyces geotrichum SJM-59 on Extending the Shelf Life of Kkakdugi

  • Mo, Eun-Kyoung;Ly, Sun-Yung;Sung, Chang-Keun
    • Food Science and Biotechnology
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    • v.16 no.2
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    • pp.193-197
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    • 2007
  • In order to investigate the effects of Pichia farinosa SKM -1, Pichia anomala SKM-T, Galactomyces geotrichum SJM-59, and Saccharomyces cerevisiae on extending the shelf life of kkakdugi, 4 kinds of lyophilized yeasts adding kkakdugis were prepared and stored at $4^{\circ}C$ for 30 days. Except S. cerevisiae adding group, 3 kinds of yeast adding groups were maintained their desirable levels (ca. pH 4.2 and 0.6% acidity) during the fermentation. The hardness of yeast adding groups was higher than those of control during the experiments. The number of yeast and the ratio of lactic acid against to total bacteria in P. farinosa SKM-1, P. anomala SKM-T, and G geotrichum SJM-59 adding groups were lower than that of control and/or S. cerevisiae adding group. Based on acidity, kkakdugi made with P. farinosa SKM-1, P. anomala SKM-T, and G geotrichum SJM-59 remained edible about 10 days longer than the control product.

Effect of chitosan and chitosan-nanoparticles on post harvest quality of banana fruits

  • Lustriane, Cita;Dwivany, Fenny M.;Suendo, Veinardi;Reza, Muhammad
    • Journal of Plant Biotechnology
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    • v.45 no.1
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    • pp.36-44
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    • 2018
  • In this study, we evaluated the effect of different concentrations of chitosan and chitosan nanoparticles as edible coating in extending shelf life and maintaining the quality of banana fruits (Musa acuminata AAA group). The fruit treated with 1.15% chitosan, 1.25% chitosan and chitosan nanoparticles then store at ambient temperature ($25{\pm}1^{\circ}C$). The shelf-life of banana, starch content, weight loss, pulp to peel ratio, total soluble solid, surface morpholgy of banana peel and sensory evaluation were analysed. Molecular analysis on the effect of chitosan was also conducted. Results showed that the application of chitosan nanoparticles and chitosan could extend shelf-life and maintain quality of banana fruits.

Effects of heat treatment on storage of packaged Tofu (포장두부의 저장성에 미치는 열처리 효과)

  • Lee, Sur-Koo;Kim, Chang-Sik
    • Applied Biological Chemistry
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    • v.35 no.6
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    • pp.490-494
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    • 1992
  • The effect of heat treatments (boiling or microwave heating) on packaged Tofu was investigated by microbial and physicochemical changes during its storage in order to improve the shelf-life. The shelf-life of the packaged Tofu prepared by acetic acid was found better than that prepared by calcium chloride. As the spoilage of Tofu developed, titratable acidity, amino and ammonia nitrogen contents, and optical density of packaged Tofu suspension were increased. Heat treatment of fresh Tofu in package was effective in lowering the bacterial counts, and extending shelf-life, but there was no significant difference between heating methods. Packaged Tofu prepared from acetic acid and pretreated by heating for 3 minutes kept the shelf-life of 4 days at $30^{\circ}C$, but that without heat treatment spoiled at one day.

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