• Title/Summary/Keyword: Pork Meat Quality

Search Result 528, Processing Time 0.023 seconds

Diet and Physical Activity in Relation to Weight Change among Breast Cancer Patients

  • Yaw, Yong Heng;Shariff, Zalilah Mohd;Kandiah, Mirnalini;Weay, Yong Heng;Saibul, Nurfaizah;Sariman, Sarina;Hashim, Zailina
    • Asian Pacific Journal of Cancer Prevention
    • /
    • v.15 no.1
    • /
    • pp.39-44
    • /
    • 2014
  • Background: This study aimed to provide an overview of lifestyle changes after breast cancer diagnosis and to examine the relationship between dietary and physical activity changes with weight changes in breast cancer patients. Women with breast carcinomas (n=368) were recruited from eight hospitals and four breast cancer support groups in peninsular Malaysia. Dietary and physical activity changes were measured from a year preceding breast cancer diagnosis to study entry. Mean duration since diagnosis was $4.86{\pm}3.46$ years. Dietary changes showed that majority of the respondents had decreased their intake of high fat foods (18.8-65.5%), added fat foods (28.3-48.9%), low fat foods (46.8-80.7%), red meat (39.7%), pork and poultry (20.1-39.7%) and high sugar foods (42.1-60.9%) but increased their intake of fish (42.7%), fruits and vegetables (62.8%) and whole grains (28.5%). Intake of other food groups remained unchanged. Only a small percentage of the women (22.6%) had increased their physical activity since diagnosis where most of them (16.0%) had increased recreational activities. Age at diagnosis (${\beta}$= -0.20, p= 0.001), and change in whole grain (${\beta}$= -0.15, p= 0.003) and fish intakes (${\beta}$= 0.13, p= 0.013) were associated with weight changes after breast cancer diagnosis. In summary, the majority of the women with breast cancer had changed their diets to a healthier one. However, many did not increase their physical activity levels which could improve their health and lower risk of breast cancer recurrence.

Detection of Quantitative Trait Loci Affecting Fat Deposition Traits in Pigs

  • Choi, B.H.;Lee, K.T.;Lee, H.J.;Jang, G.W.;Lee, H.Y.;Cho, B.W.;Han, J.Y.;Kim, T.H.
    • Asian-Australasian Journal of Animal Sciences
    • /
    • v.25 no.11
    • /
    • pp.1507-1510
    • /
    • 2012
  • Quantitative trait loci (QTL) associated with fat deposition traits in pigs are important gene positions in a chromosome that influence meat quality of pork. For QTL study, a three generation resource population was constructed from a cross between Korean native boars and Landrace sows. A total of 240 F2 animals from intercross of F1 were produced. 80 microsatellite markers covering chromosomes 1 to 10 were selected to genotype the resource population. Intervals between adjacent markers were approximately 19 cM. Linkage analysis was performed using CRIMAP software version 2.4 with a FIXED option to obtain the map distances. For QTL analysis, the public web-based software, QTL express (http://www.qtl.cap.ed.ac.uk) was used. Two significant and two suggestive QTL were identified on SSC 6, 7, and 8 as affecting body fat and IMF traits. For QTL affecting IMF, the most significant association was detected between marker sw71 and sw1881 on SSC 6, and a suggestive QTL was identified between sw268 and sw205 on SSC8. These QTL accounted for 26.58% and 12.31% of the phenotypic variance, respectively. A significant QTL affecting IMF was detected at position 105 cM between markers sw71 and sw1881 on SSC 6.

Food Preferences and Nutrient Density of Wedding Reception Food Consumed by the Community Residents in the Chungbuk Area

  • Kim, Myoung-Sook;Kim, Ki-Nam
    • Journal of Community Nutrition
    • /
    • v.8 no.4
    • /
    • pp.200-206
    • /
    • 2006
  • A survey was conducted to investigate the preferences of wedding reception food, food consumption and its nutrient density, and the factors that influence nutrient density, in order to obtain baseline data for the development of an educational program on dining out. Subjects included 105 male and female adults who attended a wedding ceremony and consumed wedding reception food in the Chungbuk area between August and September 2004 and interviewed using a questionnaire. 63.0% of the subjects responded that they over-ate at the reception. 20.5% reported that they skipped the meal before the reception. The respondents who skipped the meal had more calorie intakes (899kcal) than those who did not (800kcal). In food preferences, noodles (51.0%), watermelon (47.0%), rice cake (39.0%), sweet and sour pork (38.0%), potato noodles stir-fried with vegetables (37.0%), beef rib soup with cooked rice (37.0%), bulgogi (35.0%), braised beef ribs (35.0%), fried shrimp (32.0%) were higher percentages in order. People preferred grain, meat and fatty food to vegetables. Total calorie intake from the reception foods were 881 kcal for males, and 769kcal for females. In evaluation of nutrient density, the density of calcium, vitamin A, vitamin C and dietary fiber did not meet the standard of the recommended intake. Especially, vitamin C and dietary fiber were less than 50% of the recommended level. The main factors that influence the nutrient density were household incomes, occupations, marital status, and total fat consumed. In conclusion, an educational program should be developed and offered to improve their dietary quality.

Control of Microbial Shelf Life of Perishable Food by Real-Time Monitoring of $CO_2$ Concentration of its Package (변패성 식품의 포장 내 $CO_2$ 농도의 실시간적 측정에 의한 미생물적 저장수명 제어)

  • Kim, Hwan-Ki;An, Duck-Soon;Lee, Hyuk-Jae;Lee, Dong-Sun
    • KOREAN JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY
    • /
    • v.17 no.2
    • /
    • pp.33-37
    • /
    • 2011
  • Real time control logic of microbial shelf life of a perishable food, seasoned pork meat has been formulated which exploits monitoring of $CO_2$ concentration of the package. The potential of the proposed logic was examined for storage at dynamic temperature conditions. The start of increase in $CO_2$ production rate from the food or rate of package $CO_2$ concentration change was found to coincide with the point of microbial quality limit and could be used as an index of microbial shelf life determination. This also corresponded to lag time of $CO_2$ concentration change or time for the $CO_2$ concentration to reach a certain value. The application potential of the proposed logic was confirmed for a sensor system to measure on real time and transmit the $CO_2$ concentration wireless to the computer system.

  • PDF

Interaction of Porcine Myofibrillar Proteins and Various Gelatins: Impacts on Gel Properties

  • Noh, Sin-Woo;Song, Dong-Heon;Ham, Youn-Kyung;Kim, Tae-Kyung;Choi, Yun-Sang;Kim, Hyun-Wook
    • Food Science of Animal Resources
    • /
    • v.39 no.2
    • /
    • pp.229-239
    • /
    • 2019
  • The objectives of this study were to determine the interaction between porcine myofibrillar proteins and various gelatins (bovine hide, porcine skin, fish skin, and duck skin gelatins) and their impacts on gel properties of porcine myofibrillar proteins. Porcine myofibrillar protein was isolated from pork loin muscle (M. longissimus dorsi thoracis et lumborum). Control was prepared with only myofibrillar protein (60 mg/mL), and gelatin treatments were formulated with myofibrillar protein and each gelatin (9:1) at the same protein concentration. The myofibrillar protein-gelatin mixtures were heated from $10^{\circ}C$ to $75^{\circ}C$ ($2^{\circ}C/min$). Little to no impacts of gelatin addition on pH value and color characteristics of heat-induced myofibrillar protein gels were observed (p>0.05). The addition of gelatin slightly decreased cooking yield of heat-induced myofibrillar protein gels, but the gels showed lower centrifugal weight loss compared to control (p<0.05). The addition of gelatin significantly decreased hardness, cohesiveness, gumminess, and chewiness of heat-induced myofibrillar gels. Further, sodium dodecyl poly-acrylamide gel electrophoresis (SDS-PAGE) showed no interaction between myofibrillar proteins and gelatin under non-thermal conditions. Only a slight change in the endothermic peak (probably myosin) of myofibrillar protein-gelatin mixtures was found. The results of this study show that the addition of gelatin attenuated the water-holding capacity and textural properties of heat-induced myofibrillar protein gel. Thus, it could be suggested that well-known positive impacts of gelatin on quality characteristics of processed meat products may be largely affected by the functional properties of gelatin per se, rather than its interaction with myofibrillar proteins.

Using Status of Korean Agricultural Products in School Food Service and Dieticians' Perception (학교 급식의 우리 농축산물 이용 실태 및 이에 대한 영양사의 인식)

  • Yang, Il-Sun;Lee, Bo-Sook;Lee, So-Jung;Lee, Hae-Young;Jung, Hyun-Young
    • Journal of the Korean Society of Food Culture
    • /
    • v.21 no.2
    • /
    • pp.142-153
    • /
    • 2006
  • This study was planned to investigate the current using status of agricultural products in school food service both produced in Korea and imported from other countries and the dieticians' perception on using those. A total of 723 dieticians of 442 elementary schools and 381 middle high schools were surveyed in July, 2003 to perform the purposes of the study. A high using rate (93.4%) for Korean agricultural products was investigated. As for meat such as pork and chicken except beef and eggs, the using rate of Korean agricultural products was high. Almost 100% of vegetables and fruits, except tropical fruits such as banana, kiwi, orange and pineapple supplied for school food service were also Korean products. As for nuts and edible oil, the rate of using for Korean agricultural products was comparatively lower than those of other food items due to the price gap. Most dieticians rated the quality of the products produced in Korea higher than that of the imported products in the aspects of their freshness, taste, and safety. But they found no difference in the package condition of the products produced in Korea and of those imported from other countries. This result suggests that the package system should be improved for the agricultural products produced in Korea.

Key Food Selection for Assessement of Oral Health Related Quality of Life among Some Korean Elderly (일부 한국 노인 구강건강 관련 삶의 질 평가를 위한 핵심 음식 선택)

  • Hwang, Soo-Jeong
    • Journal of dental hygiene science
    • /
    • v.16 no.5
    • /
    • pp.361-369
    • /
    • 2016
  • Oral health can influence on diverse food intake, and food intake affect oral health related quality of life. The aim of this study was to select key foods to be able to represent oral health related quality of life in Korea. We used the data of 503 Korean older persons to participate in the oral health promotion programme in 2009. The low consumption or low intake foods with criteria in 2012 National Nutrition Statistics were eliminated among 30 foods of food intake ability (FIA) at first. Decision tree model, correlation analysis, factor analysis, and internal reliablity test were used for oral health related quailty of life (OHRQoL) key food selection. We selected 13 foods-hard persimmon, dried peanut, pickled radish, caramel, rib of pork, glutinous rice cake, cabbage kimchi, apple, yellow melon, boiled chicken meat, boiled fish, mandarin, noodles as OHRQoL Key Foods 13. Thirty foods of FIA and OHRQoL Key Foods 13 displayed the same pattern of variation among sociodemographic groups. In a regression model, both of 30 foods of FIA and OHRQoL Key Foods 13 influenced on oral health impact profile-14. The findings suggest that OHRQoL Key Foods 13 have good reliability and validity and be able to use in oral health survey.

Changes in Various Quality Characteristics of Short-ripened Salami During Storage at Chilled or Room Temperatures (단기숙성 살라미의 냉장 및 실온저장 중 품질 특성 변화)

  • Lee, Keun-Taik;Lee, Youn-Kyu;Son, Se-Kwang;Choi, Suk-Ho;Lee, Seung-Bae
    • Food Science of Animal Resources
    • /
    • v.29 no.1
    • /
    • pp.24-33
    • /
    • 2009
  • This study investigated the microbial contamination levels of raw meats used for short-ripened salami and changes in the microbial and physico-chemical properties of the product during storage at 10 and $25^{\circ}C$ for up to 120 days. The microbial counts of raw meats ranged between 2 and 4 Log CFU/g. Frozen-thawed sow meat showed higher total aerobe and Enterobacteriaceae counts than fresh chilled pork and pork back fat. Staphylococcus aureus was found in all raw materials except fresh chilled pork samples, and Clostridium perfringens was detected in a sample stored for 21 days at $25^{\circ}C$. The counts of total aerobes, lactic acid bacteria and Staphylococcus spp. decreased more rapidly at $25^{\circ}C$ than at $10^{\circ}C$ when the storage time was extended. The growth of Enterobacteriaceae, Pseudomonas spp., Clostridium spp., yeast, and mold were restricted to levels below 2 Log CFU/g during storage. The contents of salt, water, crude protein, crude fat, and ash of salami samples were 3.4, 33.4, 30.8, 32.7, and 4.3%, respectively, which were not affected by storage time or temperature. The pH value of the salami was initially 4.79 and increased to 5.02 and 5.26 after 120 days of storage at 10 and $25^{\circ}C$, respectively, whereas the water activity values decreased from an initial value of 0.91 to 0.90 and 0.88 after 120 days at 10 and $25^{\circ}C$, respectively. The TBA and VBN values increased slowly during storage. The redness value of the salami samples stored at $25^{\circ}C$ decreased more significantly than the samples stored at $10^{\circ}C$. With increased storage time, the values for the rheological characteristics of the salami in terms of hardness, brittleness, elasticity, cohesiveness, gumminess, and adhesiveness tended to decrease more remarkably at $25^{\circ}C$ than at $10^{\circ}C$. Based on sensory evaluation scores, it appears that short-ripened salami is no longer acceptable after 90 days at $10^{\circ}C$ and 30 days at $25^{\circ}C$.

The Relationship Between Carcass Color Grade and Instrumental Values in Pork Loin (돼지도체 등급판정기준 육색등급과 기계적 측정값간의 상관관계)

  • Kim, Dong-Jun;Lee, Do-Heon;Lee, Yong-Gi;Park, Dong-Woen;Kim, Gap-Don;Jung, Eun-Young;Seo, Hyun-Woo;Jeong, Jin-Yeon;Joo, Seon-Tea;Yang, Han-Sul
    • Journal of agriculture & life science
    • /
    • v.46 no.1
    • /
    • pp.133-139
    • /
    • 2012
  • The objective of this study was to investigate the relationship between color grade in Korea Institute for Animal Products Quality Evaluation (KAPE) and instrumental color values ($L^*$, $a^*$, $b^*$, ${\Delta}C$ and H) in porcine longissimus dorsi muscle. A total of 538 pigs were selected to classify and to measure the instrumental color values from commercial public slaughter house. All of the instrumental color traits were decreased with increase of color grade (p<0.05). The color grade 1 group had the highest $L^*$ value (65.23) and the color grade 6 group had the lowest $L^*$ value (45.29) among the color grade groups (p<0.05). The color grade had the negative correlation with all the instrumental color traits (p<0.001) and the correlation coefficient between color grade and $L^*$ value was -0.83. In conclusion, instrumental color traits is highly related to color grade, and especially $L^*$ value is an important indicator for both porcine carcass grading and color grading systems in KAPE.

A Study on Preparation of Wanjajun for Cook/Chill System 1. Preparation of Wanjajun with Herb and Quality Characteristics (Cook/Chill System에서의 고기완자 제조에 관한 연구 1. Herb를 이용한 고기완자의 제조 및 품질특성)

  • Kang, Eun-Zoo;Kim, Sun-Young;Ryu, Chung-Hee
    • Journal of the Korean Society of Food Science and Nutrition
    • /
    • v.32 no.5
    • /
    • pp.661-666
    • /
    • 2003
  • This research was aimed at evaluating the effects of natural antioxidants on lipid oxidation and sensory quality in cooked, chill- stored and reheated Wanjajun prepared with pork meat (short shank). Sage (SA) and combinations of herbs; basil/mints (BM), rosemary/parsley/thyme (RPT) were used as sources of antioxidants. The products were pan-fried in a medium layer of soybean oil and then stored in a refrigerator at 3$^{\circ}C$ for 8 days after rapid chilling. The process of heat treatment of Wanjajun caused changes in the chemical composition of products and simultaneously, thermal oxidative reaction was initiated. During storage of products in a refrigerator, further hydrolytic and oxidative processes in the lipid extraction were progressed. Acid value was increased, peroxides and malonaldehyde formation gradually were increased during cool storage. Addition of garlic, sage and combinations of herbs retarded the process of oxidation. Wanjajun made with addition of SA and RPT showed good quality in antioxidative potential after 8 days of storage. The sensory effect of herbs on undesirable warmed-over flavor was in order of : SA>RPT>BM.