• Title/Summary/Keyword: Agricultural By-Products

Search Result 2,343, Processing Time 0.029 seconds

Acetylation of Sarcoplasmic and Myofibrillar Proteins were Associated with Ovine Meat Quality Attributes at Early Postmortem

  • Zhang, Yejun;Li, Xin;Zhang, Dequan;Ren, Chi;Bai, Yuqiang;Ijaz, Muawuz;Wang, Xu;Zhao, Yingxin
    • Food Science of Animal Resources
    • /
    • v.41 no.4
    • /
    • pp.650-663
    • /
    • 2021
  • The objective of this study was to examine the relationship between meat quality attributes and the changes of sarcoplasmic protein acetylation and myofibrillar protein acetylation in lamb longissimus thoracis et lumborum muscles at different postmortem phases. Protein acetylation, color, pH, shear force, myofibril fragmentation index and cooking loss were measured. The total level of acetylated sarcoplasmic proteins showed a negative relation with pH, a positive relation with a*, b* and cooking loss at the pre-rigor phase. Sarcoplasmic proteins acetylation affected postmortem pH by regulating glycolysis, which in turn affects color and cooking loss. The total level of acetylated myofibrillar proteins showed a positive relation with shear force at the pre-rigor phase. Myofibrillar proteins acetylation affected meat tenderness by regulating muscle contraction. This study indicated that acetylation played a regulatory role of meat color, water-holding capacity, and tenderization process at early postmortem.

Effect of Vibration during Distribution Process on Compression Strength of Corrugated Fiberboard Boxes for Agricultural Products Packaging (농산물 포장용 골판지상자의 수송 중 진동에 의한 압축강도 변화)

  • Shin, Joon Sub;Kim, Jongkyoung
    • KOREAN JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY
    • /
    • v.27 no.2
    • /
    • pp.91-100
    • /
    • 2021
  • Agricultural corrugated fiberboard packaging boxes frequently experience damage due to loading and unloading, vibration during transport, and shock by dynamic distribution condition change. This study was carried out to estimate effect of vibration during distribution process on compression strength of corrugated fiberboard boxes for agricultural products. In order to identify the degradation caused by vibration, after box packaging the agricultural products(tangerine or cucumber), the natural frequencies of the packaging boxes were measured by varying the relative humidity(50, 70 and 90%) at 25℃ temperature. Various types of corrugated fiberboard boxes were packed with tangerines and cucumbers, and the PSD plot vibration tests were conducted by utilizing the actual vibration recording results of the Gyeongbu Expressway section between Seoul and Gimcheon. As a result of the experiment, the decrease in compression strength of the box was relatively low in DW-AB, and the decrease in compression strength of the SW-A 0201(RSC) type box was the highest at 20.49%. In particular, both SW-A and DW-AB showed low compression strength degradation rates for open folder type boxes. The moisture content varies depending on the type of the box or agricultural products, and the enclosed 0201(RSC) type box was generally higher than the open folder or bliss type box, which is believed to be the reason for the decrease in compression strength of RSC type box due to humidity. By the agricultural product, the percentage of decrease in compression strength of box packed with cucumbers was especially high.

An Empirical Study on Information system for Performance of Phisical Distribution - by Agricaltural Products - (물류정보화 수준이 물류성과에 미치는 영향에 관한 연구 - 농산물을 중심으로 -)

  • Kwon, Oh-cheol;Kim, Sang-cheol
    • Journal of Distribution Science
    • /
    • v.5 no.1
    • /
    • pp.57-73
    • /
    • 2007
  • There are more problems in distributing agricultural and special products than industrial products because they have such restrictions as seasonal fluctuation in the quantity, indeterminate and diverse shapes, many farm households, a small amount of shipment, and mandatory guide and maintenance. However, with social atmosphere called well-being, there are increasing concerns about inorganic agricultural products and direct trade with farmers. It is therefore urgent to stabilize the price of agricultural and special products and to correctly grasp and improve logistics activities for those dealing with agricultural and special products in order to supply fresh ones. This study aimed at examining logistics activities and the information technology level for agricultural and special products, determining how these factors affect logistics performance, and eventually suggesting a scheme to improve the logistics achievements for agricultural and special products. For this purpose, it selected information technology and logistics activity levels as independent variables and logistics performance as a dependent variable. The information technology level was measured for utility, holding level, and concern, respectively, and the logistics activity level was tested for the level of using the logistics information system in those companies concerned. From the above-mentioned findings, it is urgent to enhance distribution technology and its level immediately since distribution of agricultural and special products is poor in Korea and good distribution can contribute to a reduction of logistics costs or improvement of customer service.

  • PDF

Study of Consumers' Perceptions of Eco-friendly Agricultural Products and Policies by Group (친환경 농산물 소비자의 집단별 소비특성 및 정책에 대한 인식연구)

  • Lee, Tae-gyeom;Kim, Eun-Sol;Choi, Jin Ah;Kim, sangbum;Lee, Jae-Ho
    • Journal of Korean Society of Rural Planning
    • /
    • v.28 no.4
    • /
    • pp.83-91
    • /
    • 2022
  • The goal of this study is to promote the spread of environmentally friendly agricultural products, which have been receiving a lot of attention lately, as a way to improve food safety and quality. As a result of the increased labor input, increased production costs, and an aging population, environmentally friendly agriculture is making it more difficult for farmers to expand their enterprises. In the meantime, consumers find it difficult to spread eco-friendly agricultural products due to their high expectations for safety and quality, as well as the desire to purchase products at a reasonable price. Previous studies have revealed differences in perceptions between eco-friendly agricultural producers and consumers. In light of this, this study divided consumers based on their characteristics (such as age, purchase history, health concerns, etc.), and different policies were proposed in order to increase purchasing factors for each group based on their characteristics. In order to gather information for this study, general citizens were asked about their perceptions of eco-friendly agricultural products, future purchase intentions and awareness, reliability, necessity, purpose, and information sources. A two-step clustering analysis was conducted using nominal and continuous variables simultaneously. The paper presents the three derived group differences (senior organic interest group, middle-aged organic interest group, and indifferent young organics) as well as group differences for the purchasing/non-purchasing factor analysis and policy improvement for each group. An eco-friendly agricultural product distribution proposal was made at the end of this article.

Monitoring of Radioactivity and Heavy Metal Contamination of Dried Processed Fishery Products (건조 수산가공식품의 방사능 및 중금속 오염도 조사)

  • Lee, Ji-Yeon;Jeong, Jin-A;Jeon, Jong-Sup;Lee, Seong-Bong;Kwon, Hye-Jung;Kim, Jeong-Eun;Lee, Byoung-Hoon;Mo, A-Ra;Choi, Ok-Kyung
    • Journal of Food Hygiene and Safety
    • /
    • v.36 no.3
    • /
    • pp.248-256
    • /
    • 2021
  • A total of 120 samples corresponding to 12 categories of dried processed fishery products distributed in Gyeonggi-do were examined for radioactivity contamination (131I, 134Cs, 137Cs) and heavy metals (lead, cadmium, arsenic, and mercury). One natural radioactive material, 40K, was detected in all products, while the artificial radioactive materials 131I, 134Cs and 137Cs were not detected at above MDA (minimum detectable activity) values. The detection ranges of heavy metals converted by biological basis were found as follows: Pb (N.D.-0.332 mg/kg), Cd (N.D.-2.941 mg/kg), As (0.371-15.007 mg/kg), Hg (0.0005-0.0621 mg/kg). Heavy metals were detected within standard levels when there was an acceptable standard, but the arsenic content was high in most products, although none of the products had a permitted level of arsenic. In the case of dried processed fishery products, there are products that are consumed by restoring moisture to its original state, but there are also many products that are consumed directly in the dry state, so it will be necessary to set permitted levels for heavy metals considering this situation in the future. In addition, Japan has decided to release contaminated water from the Fukushima nuclear power plant into the ocean, so there is high public concern about radioactivity contamination of food, including fishery products. Therefore, continuous monitoring of various food items will be necessary to ease consumers' anxiety.

Marketing Strategy to Improve on Branding Problems of Agricultural and Livestock Products (농축산물 브랜드화의 문제점 개선을 위한 마케팅전략)

  • 백기언
    • Proceedings of the Korean DIstribution Association Conference
    • /
    • 2001.11b
    • /
    • pp.211-233
    • /
    • 2001
  • The aim of the present paper is to improve on branding problems of agricultural and livestock products in Korea by analyzing the statistical data which is present status of agricultural and livestock products published by ministry of agricultural and forest. To achieve the objective, raised 5 points at issue. Thus, the improvement schemes suggested from marketing point of view. And above issues are also discussed in the context of marketing mix. Then, the marketing strategy was developed which will apply branding management. The findings in this study is building a brand marketing system urgently fitted Korean style. For this project success, establishing event marketing and customer service department is necessary centering local National Agricultural Cooperative Federation(Nonghyup). Also needed education about brand knowledge to the people working for agricultural allied industries.

  • PDF

Revision of Agricultural Drainage Design Standards (농업생산기반정비사업 계획설계기준 배수편 개정)

  • Kim, Kyoung Chan;Kim, Younghwa;Song, Jaedo;Chung, Sangok
    • KCID journal
    • /
    • v.21 no.1
    • /
    • pp.32-44
    • /
    • 2014
  • In Korea, global warming caused by the climate changes impacted on weather system with increase in frequency and intensity of precipitation, and the rainfall pattern changes significantly by regional groups. Furthermore, it is expected that the regional and annual fluctuation ranges of the rainfall in the future would be more severe. Nowadays, agricultural drainage system designed by the existing standard of 20-year return period and 2 days of fixation time cannot deal with the increment rainfall such as localized heavy rain and local torrential rainfalls. Therefore, it is required to reinforce the standard of the drainage system in order to reduce the agricultural flood damage brought by unusual weather. In addition, it is needed to improve the standard of agricultural drainage design in order to cultivate farm products in paddy fields as facility vegetable cultivation and up-land field crop have been damaged by the moisture injury and flooding. In order to prepare for the changes of rainfall pattern due to climate changes and improve the agricultural drainage design standards by the increase of cultivating farm products, the purpose of this study is to examine the impact of climate changes, the changes of relative design standard, and the analytic situation of agricultural flood damages, to consider the drainage design standard revision, and finally to prepare for enhanced agricultural drainage design standards.

  • PDF

A Scheme of the Agriculture Export Logistics Improvement in E-Trade Era (전자무역시대 농산물 수출물류 활성화 방안 및 과제)

  • Park, Hyun-Hee
    • International Commerce and Information Review
    • /
    • v.11 no.2
    • /
    • pp.49-66
    • /
    • 2009
  • The DDA negotiations, in 9th multilateral trade round, has focused on nine sectors including agriculture, non-agricultural market access, and service. After August 2004, member countries have intensified negotiations in order to reduce gaps between countries perspective. So most attention of members countries has been focused on agricultural trade and non-agricultural market access. Agricultural negotiation confront tough challenges because of different positions among members countries, and are not expected to reach perfect forms of modalities. Nevertheless based on the fact that many countries nearly reached agreement on some core. Under this circumstance, Korea has to prepare more practical strategics and more effective individual commitments to minimized the agricultural market opening. The other way, some Korean agricultural products will be exported by the DDA negotiation. Recently the understanding of Third-Party Logistics and Logistics Outsourcing are receiving increased attention as means of becoming competitive in agricultural products export improvement. So this paper presents a in-depth analysis for third-party logistics and its implications for Korea agricultural product export system improvement in E-trade Era.

  • PDF

Design of e-commerce business model through AI price prediction of agricultural products (농산물 AI 가격 예측을 통한 전자거래 비즈니스 모델 설계)

  • Han, Nam-Gyu;Kim, Bong-Hyun
    • Journal of the Korea Convergence Society
    • /
    • v.12 no.12
    • /
    • pp.83-91
    • /
    • 2021
  • For agricultural products, supply is irregular due to changes in meteorological conditions, and it has high price elasticity. For example, if the supply decreases by 10%, the price increases by 50%. Due to these fluctuations in the prices of agricultural products, the Korean government guarantees the safety of prices to producers through small merchants' auctions. However, when prices plummet due to overproduction, protection measures for producers are insufficient. Therefore, in this paper, we designed a business model that can be used in the electronic transaction system by predicting the price of agricultural products with an artificial intelligence algorithm. To this end, the trained model with the training pattern pairs and a predictive model was designed by applying ARIMA, SARIMA, RNN, and CNN. Finally, the agricultural product forecast price data was classified into short-term forecast and medium-term forecast and verified. As a result of verification, based on 2018 data, the actual price and predicted price showed an accuracy of 91.08%.

The Influence of Vacuum Packaging of Hot-Boned Lamb at Early Postmortem Time on Meat Quality during Postmortem Chilled Storage

  • Zhao, Yingxin;Chen, Li;Bruce, Heather L.;Wang, Zhenyu;Roy, Bimol C.;Li, Xin;Zhang, Dequan;Yang, Wei;Hou, Chengli
    • Food Science of Animal Resources
    • /
    • v.42 no.5
    • /
    • pp.816-832
    • /
    • 2022
  • To evaluate the effects of early postmortem vacuum packaging (VP) on meat quality during postmortem chilled storage, hot-boned lamb was vacuum-packaged at 1, 6, 12, 24, and 48 h postmortem and stored around 2℃ until 168 h postmortem, with lamb packaged in plastic wrap as the control (aerobic packaging). Intramuscular pH decline was delayed when lamb was vacuum packaged at 1, 6, and 12 h postmortem (p<0.05). The lamb vacuum-packaged at 1 h postmortem (VP-1h group) had significantly lower shear force values and purge losses accompanied by lower free thiol group values than other treatments during postmortem storage and was also higher in extractable calpain-1 activity by 6 h postmortem (p<0.05). Free thiol group concentrations were significantly higher after VP at 6 and 12 h postmortem (p<0.05). Packaging lamb under vacuum very early postmortem produced the lowest shear force and purge loss, likely by slowing heat loss and muscle temperature decline, implying that lamb quality is improved by VP when applied very early postmortem. This was at the expense of protein oxidation, which was unrelated to other meat quality measurements, most likely because potential contracture during hot boning confounded its impact. Further research is required to understand the implications of the interaction between protein oxidation, VP, and hot boning on the acceptability of lamb.