• 제목/요약/키워드: Vegetable Storage

검색결과 199건 처리시간 0.024초

시장내 튀김 식품의 유통 중 유지 및 미생물 변화와 유통기간 연구 (Lipid and Microbial Changes of Fried Foods at Market during Storage)

  • 신동화;조은자;안은숙
    • 한국식품위생안전성학회지
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    • 제12권1호
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    • pp.47-54
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    • 1997
  • Fried vegetable mix, fried fish mix and fried chicken which prepared as convenient style at traditional market in Chonju were collected and evaluated their chemical composition, lipid and microbial changes during storage at different temperaturefor confirming those fried food stability. The POV and AV of oil in samples and total bacterial count during storage at 5, 15, 20 and 3$0^{\circ}C$ were monitered. The POV, AV and total bacterial count tested of each sample, shelf-life can be suggested as within 1 day at 3$0^{\circ}C$, 2~3 days at 15~2$0^{\circ}C$ and over 5 days at 5$^{\circ}C$.

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단체급식소에서 이용되는 전처리 식품 중 생채소의 품질에 관한 연구 (A study for the quality of vegetable dishes without heat treatment in foodservice establishments)

  • 김혜영;차재맹
    • 한국식품조리과학회지
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    • 제18권3호
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    • pp.309-318
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    • 2002
  • The purposes of this study were to estimate the microbial and physicochemical quality of vegetable dishes without heat treatment such as sengchae, a traditional Korean vegetable dish, and to suggest a safer method of preparation. Platycodon sengchae and vegetable salad were monitored from the ingredient to final product before serving while storing at different temperature (4, 10$^{\circ}C$) and period (1, 2, 4, 7 days) at foodservice establishments. The results showed that the storage temperature pH, Aw, moisture content, and microbial loads are the important factors affecting the quality of vegetable dishes without heat treatment, and a thorough hygienic management from the purchase to the preparation of the dishes is needed to secure the quality of prepared foods in the foodservice establishments.

Garlic Inulin as a Fat Replacer in Vegetable Fat Incorporated Low-Fat Chicken Sausages

  • Jayarathna, Gayathree Nidarshika;Jayasena, Dinesh Darshaka;Mudannayake, Deshani Chirajeevi
    • 한국축산식품학회지
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    • 제42권2호
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    • pp.295-312
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    • 2022
  • Inulin is a non-digestible carbohydrate and a prebiotic that can also act as a fat replacer in various foods. This study examined the effect of replacing vegetable oil with garlic inulin on the quality traits of chicken sausages. Water-based inulin gels were prepared using garlic inulin or commercial inulin to imitate fats in chicken sausages. Chicken sausages were prepared separately replacing vegetable oil with water-based inulin gels to reach final inulin percentages of 1, 2, and 3 (w/w). The control was prepared using 3% (w/w) vegetable oil with no inulin. The physicochemical properties and thiobarbituric acid reactive substance (TBARS) value of prepared sausages were analyzed over 28-d frozen storage. Sausages with 2% garlic inulin recorded higher flavour and overall acceptability scores (p<0.05). Ash, moisture, and protein contents of the sausages were increased with increasing levels of inulin while fat content was reduced from 13.67% (control) to 4.47%-4.85% (p<0.05) in 3% inulin-incorporated products. Sausages incorporated with 2% inulin had lower lightness (L*) values than the control (p<0.05). Water holding capacity (WHC) was similar (p>0.05) among the samples. During storage L* value, pH, and WHC decreased while redness (a*) and yellowness (b*) values increased in all the samples. In addition, TBARS values were increased during the storage in all samples within the acceptable limits. In conclusion, garlic inulin can be used successfully as a fat substitute in sausages without altering meat quality parameters.

양상추의 관능적 및 미생물학적 특성에 전해수 및 염소수가 미치는 영향 (Effects of Electrolyzed Water and Chlorinated Water on Sensory and Microbiological Characteristics of Lettuce)

  • 이승현;장명숙
    • 한국식품조리과학회지
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    • 제20권6호
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    • pp.589-597
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    • 2004
  • This study was conducted to investigate the effects of various kinds of electrolyzed and chlorinated waters on the sensory and microbiological qualities of fresh-cut lettuce and to determine the most suitable electrolyzed water for the vegetable dishes, without heat treatment, at institutional foodservices. The sensory evaluation resulted in higher scores on the 1st-day of storage for the EW-1 (diaphragm type 1) and EW-3 (non-diaphragm type) compared to that for EW-2 (diaphragm type 2), with regard to their appearance, discoloration, texture, taste and overall acceptability characteristics. However, over time, EW-3 ranked highest, with a score of 8.00 (very like), on the 4th-day of storage, which maintained the highest level up to the 7th-day of storage, at which time the score was 7.00 (fairly like). The CW (chlorinated Water) had a significantly lower score, due to the smell of chlorine, although there was no concern with relation to chlorine residue from the electrolyzed waters. Microbial examinations of the total plate count revealed that immersing lettuce into EW-3 brought about l/3,000 to 1/30,000 reductions in the microbial counts of the TW treatment or untreated samples for up to seven days of storage. The CW treatment gave a 1/10 reduction in the microbial counts compared with the TW (tap water) treatment. The coliform bacterial counts also showed similar trends to those of the total plate count values. With regards to the psychotropic bacterial count, EW-3 was able to result in as much as a 1/30,000 reduction in the initial counts. As vegetable dishes, such as salad, can not be heat-sterilized, the utilization of EW-3 for the preparation of vegetable dishes without heat treatment will be an excellent choice to improve the critical control point in production state as a new effective means for sanitizing management.

감마선을 이용한 녹즙의 위생화 (Sanitizing Effect of $\gamma$-Irradiation on Fresh Vegetable-extract Juices)

  • 변명우;김미정;김재훈;육홍선;이경행
    • 한국식품영양과학회지
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    • 제28권2호
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    • pp.378-382
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    • 1999
  • The sanitizing effect of irradiation on the fresh vegetable extract juices was investigated. Total bacteria, coliform bacteria and total ascorbic acid were determined during the storage periods at 4oC. Chlorophyll, carotenoid, tannin, electron donating ability and peroxidase activity were determined immediately after irradiation. Results showed that the viable cells were detected below the level of 105 CFU/ml during 12 days with doses of 3 and 5 kGy. Total ascorbic acid and tannin contents increased immediately after irradiation. However, irradiation didn't affect chlorophyll and car otenoid contents, electron donating ability, and peroxidase activity. It was considered that irradiation was effective in sanitizing fresh vegetable extract juices.

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국내 채소 종자산업 활성화를 위한 중국 광동성 및 운남성 채소 종자시장 현황 조사 (Survey on current status of vegetable seed markets of Guangdong and Yunnan provinces in China for the development of domestic vegetable seed industry)

  • 곽정호;윤무경;박수형;김대영;정승룡;신현호;이상길;임용표
    • 농업과학연구
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    • 제39권4호
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    • pp.491-496
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    • 2012
  • Vegetable seeds are one of the most important key factors to determine the way of vegetable's production, distribution, processing and storage. Unfortunately, because of international exchange crisis in 1997, the most of main Korean seed companies were merged into foreign capitals. Currently, many domestic seed companies are incapable of their own survey and development of vegetable seed markets in foreign countries. To provide valuable seed market information for these companies, China, especially Yunnan and Guangdong provinces in China, was selected. Since China is one of the major vegetable seed importers. Also, Yunnan and Guangdong provinces are the most promising targets to export Korean vegetable seeds. The current status of vegetable production in China was analyzed with consideration of Yunnan and Guangdong provinces. The contents of survey and analysis are covering major vegetable crops' cultivation area, farm number, cultivation type, production amount, market price, farm income, packaging method, distribution type and amount of seed consumption. And particularly, major horticultural characteristics of leading varieties were presented to assist the development of exportable varieties of domestic seed companies. We assume the results of this study would be practically usable for the development of exportable varieties.

비가열 원료 함유 녹즙의 위생화를 위한 감마선 조사 (Gamma Irradiation for Sanitation of Vegetable Fresh Juice Containing Non-thermal Process Materials)

  • 권상철;조철훈;이경행
    • 한국식품영양과학회지
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    • 제38권7호
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    • pp.964-969
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    • 2009
  • 비가열 원료 함유 녹즙의 위생화를 위하여 저온살균기술 중 하나인 감마선 조사 기술($0{\sim}5\;kGy$)을 이용하여 비가열 원료 함유 녹즙을 위생화하고 저장기간에 따른 미생물학적 및 이화학적 변화를 측정하였다. 비가열 원료 함유 녹즙의 제조 직후 생균수는 $4.8{\times}10^3\;CFU/mL$의 균수를 보였으며 저장기간이 증가할수록 균수는 증가하였으며 저장 7일에는 $3.0{\times}10^5\;CFU/mL$를 나타내었다. 그러나 $1{\sim}5\;kGy$의 감마선을 조사한 경우에는 조사 직후 $1.2{\times}10^2{\sim}1.0{\times}10^3\;CFU/mL$로 대조군에 비하여 낮은 균수를 보였으며 특히 3 kGy 이상의 감마선 조사 시에는 l log cycle 이상의 균수 감소를 보였으며 저장기간 내내 대조군에 비하여 낮은 균수를 나타내었다. 비가열 원료 함유 녹즙의 색상변화는 감마선 조사에 의하여 lightness와 yellowness는 유의적으로 증가하는 것을 볼 수 있었으며 저장기간에 따른 큰 차이는 없었다. 반면 redness는 감마선 조사선량이 증가할수록 값이 감소하고 저장기간에는 큰 차이가 없는 것으로 나타났다. Ascorbic acid의 함량은 감마선 조사에 의하여 약간 감소하고 저장기간의 증가에 따라 감소하는 경향이었다. 그러나 flavonoid 함량은 감마선 조사에 의한 영향은 없었으며 총 폴리페놀화합물의 함량은 감마선 조사선량이 증가할수록 증가하는 경향이었으며 carotenoid 함량은 감마선 조사에 의하여 감소하는 경향이었으며 저장기간이 증가할수록 감소하였다.

무 싹채소 탄산 가스 처리에 따른 생육과 수확후 품질 특성 비교 (Comparison of Growth and Freshness Characteristics as Affected by CO2 Treatment during Cultivation on Radish Sprout Vegetable)

  • 이정수
    • 한국포장학회지
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    • 제26권2호
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    • pp.105-112
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    • 2020
  • 어린 싹을 길러 이용하는 채소에 대한 관심이 커지고 있어, 무 싹채소의 생육 증진과 유통 중 나타나는 영향을 검토하고자 CO2처리 효과를 검토하였다. 본 실험에서는 재배 중 CO2 처리를 가스나 탄산수 형태로 하여, 생육뿐만 아니라 수확후 모의유통 중 포장 내의 생체중량 감소, 선도와 hue angle 등 수확후 변화 정도를 조사하였다. 재배 후 수확 시 생육에서 처리 여부에 따라서는 CO2 처리가 무처리보다 경장이 약간 길어지는 효과가 있었으며, 엽록소형광이나 SOD 값에서 무처리와 CO2 처리가 다소 다른 경향을 보였다. 그러나 CO2 처리 방법 간의 차이를 언급하기는 어려워 탄산가스 대신 탄산수 이용의 가능성을 보였다. 수확 후 포장 내의 CO2 처리로 인해 무 싹채소의 O2 소모가 크고 CO2 축적 정도가 다소 높아졌으며, 모의유통 중에 수확전 CO2 처리가 hue angle 값을 비롯하여 SPAD, 외관 등에서 낮은 수치를 보여주었다. 그러나 CO2 처리 방법 간에는 큰 차이를 보이지 않은 것으로 나타났다. 무 싹채소의 재배 중 CO2 처리에 의한 처리가 경경 등의 생육량을 증가시키나, 모의유통 시 수확후 선도 유지의 효과가 크지 않아, 재배 중 다른 방법을 통한 품질을 개선할 수 있도록 연구가 더 필요한 것으로 생각된다.

바이오중유의 저장안정성 및 악취특성 연구 (A Study on the Storage Stability and Malodor of Bio-Fuel oil)

  • 장은정;박천규;이봉희
    • 한국수소및신에너지학회논문집
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    • 제28권6호
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    • pp.712-720
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    • 2017
  • As Korean government has activated the renewable portfolio standard (RPS) since 2012, producers have been seeking and using the various renewable resources to meet the RPS quota. One of these efforts, Power Bio-Fuel oil demonstration project is being conducted to check the operability and compatibility with fossil fuel, Fuel oil (B-C) from 2014. The oil is a mixture of vegetable oil and animal fat or fatty acid ester of them and should satisfy some specification to use the power generation. The oil's quality and combustion characteristics are different from conventional oil, Fuel oil (B-C) in current power plant facility. In this study, it was investigated the storage stability and malodor intensity of Bio-Fuel oil.