간행물

산업식품공학 KCI 등재 Food Engineering Progress

권호리스트/논문검색
이 간행물 논문 검색

권호

제22권 제2호 (2018년 5월) 12

1.
2018.05 구독 인증기관 무료, 개인회원 유료
This study evaluated the physicochemical qualities of washed specialty Bourbon Arabica from major producing areas of Rwanda in comparison with two world renowned Arabica coffees: natural/dry Bourbon from Brazil and washed Typica from Ethiopia. Significant differences in most physicochemical properties were observed between coffee growing areas within Rwanda as well as among the three countries. Washed Bourbon from Rwanda and washed Typica from Ethiopia were denser than the natural Bourbon from Brazil. Natural Bourbon from Brazil was found to be 20% more caffeinated whereas roasted washed Typica from Ethiopia contained about 21% higher caffeoylquinic acid (CQA) than the washed Bourbon from Rwandan. Generally, roasted washed Bourbon coffees from Rwanda showed higher acidity properties than Brazilian and Ethiopian coffees. This study indicated that coffee quality may vary even within the same variety from different origins which is due to conditions applied in different coffee growing areas.
4,200원
2.
2018.05 구독 인증기관 무료, 개인회원 유료
The variations of internal temperature, relative humidity (RH) and gas concentration in the pallet modified atmosphere package (MAP), using polyamide (PA) film and linear low density polyethylene (LLDPE) film, were investigated to extend the shelf life of tomatoes and paprikas. The temperature and RH inside the MAP were higher than that in the cold room, but there was no water condensation inside the MA film. The ethylene concentration in the MAP was maintained below 10 ppm. Oxygen level was stabilized at 2 to 5% during the storage and carbon dioxide level was also stabilized at 15 to 20%. The weight loss of the MAP tomatoes and paprikas was lower than that of the control because the RH in the pallet MAP was higher than that of the cold room. The fungal decay rate in the pallet MAP was also lower than that in the control due to a low oxygen concentration rate. There were no significant differences in the soluble solids, titratable acidity and Hunter’s color, but differences did exist in the hardness between the MAP and the control. So, this pallet MAP method was effective at extending the shelf life of tomatoes and paprikas considering the weight loss, fungal decay and hardness.
4,000원
3.
2018.05 구독 인증기관 무료, 개인회원 유료
This study was conducted to evaluate the hangover relieving effect of algae and plant complex extract. The complex extract showed 1,1-diphenyl-2-picrylhydrazyl radical scavenging effect in a concentration-dependent manner and high antioxidant capacity (59.48%) when administered at 120 μg/mL. In addition, alcohol dehydrogenase (ADH) and aldehyde dehydrogenase (ALDH) activities were increased according to the concentration of the complex extract. A locomotor activity test with an alcohol-complex extract mouse group showed improved motor activities over that of the alcohol-water group at 120 min post-administration. Blood was harvested from each mouse at 120 min post-administration then concentrations of alcohol and aldehyde were measured. The alcohol-extract treated group showed significantly lower (p<0.0001) alcohol (33.48 ± 0.59 μg/mL) and aldehyde (1.54 ± 0.13 μg/mL) concentrations than the alcohol-water treated group. These results suggest that the hangover relieving effects of complex extract results in increased motor activity of mice, which reduces the alcohol and aldehyde concentration in the blood.
4,000원
4.
2018.05 구독 인증기관 무료, 개인회원 유료
The O2 and CO2 concentrations in controlled atmosphere (CA) rooms are determined by the respiration of produce like apples and the airtightness of the CA room, with gas in the CA room controlled by O2 and CO2 removal as well as respiration (CO2 increase and O2 decrease). The purpose of this study was to evaluate the validity of the gas exchange model for O2 removal, CO2 removal, the rate of O2 decrease and CO2 increase by respiration of apples, and airtightness of the CA room. It took 17.5 hours to reduce O2 concentration from 20.9% to 2.0% after loading 4.3 tons of Fuji apples into the CA room, which was 4.2 hours longer than the 13.3 hours of the model formula. After the CO2 concentration rose to 0.5% due to respiration, it took 4.7 hours to lower the CO2 concentration to 0.2%, which was 0.6 hours longer than that of the model equation. The rate of CO2 increase by respiration was 0.021%/ h, which was similar to the model equation (0.017%/h). Also after 4.7 hours, the O2 concentration decreased by 0.1% which was also in line with the model equation (0.13%/h).
4,000원
5.
2018.05 구독 인증기관 무료, 개인회원 유료
The objective of this study was to develop a standard for setting a legal system for senior-friendly food. We conducted a web-based survey on 95 food industry workers. Answers to 10 questions in the survey were analyzed using SPSS 19.0. Important factors to consider when it comes to food for seniors are the supply of balanced nutrition, enhancement of functionality, and promotion of convenience. A total of 47 respondents (51.1%) felt the need for a legal system for senior food, and they thought that a certification for senior-friendly food would be advantageous for companies. They said that there should be texture standards to promote ease of chewing, standards for functionality, nutritional standards, and safety standards to certify senior-friendly foods. A total of 41 people (44.6%) said that it was reasonable to classify Japanese food into five levels of senior-friendly foods according to ease of chewing. Certification management received the highest score in implementing an activation plan for senior-friendly food.
4,200원
6.
2018.05 구독 인증기관 무료, 개인회원 유료
This study was carried out to determine the effect of biji addition on the quality of extruded isolated soy protein (ISP). ISP-based biji addition (0, 20, 40 and 60%) was extruded at die temperatures 140oC and 150oC and a screw speed of 250 rpm. The moisture contents were adjusted to 35% and 45%. As the content of biji increased from 0% to 60%, springiness, cohesiveness, and cutting strength of the extruded ISP were significantly decreased. When the die temperature increased from 140oC to 150oC and the water content increased from 35% to 45%, the nitrogen solubility index, cutting strength and integrity index decreased. When the biji addition was increased at a barrel temperature of 140oC and a moisture content of 45%, the integrity index of the ISP texture decreased. With an increase in the addition of biji to ISP, rough surface and irregular fiber structure were observed, but regular microfiber structure was not observed.
4,000원
7.
2018.05 구독 인증기관 무료, 개인회원 유료
This study attempted to establish an ultra performance liquid chromatography (UPLC) analysis method for standard determination of silymarin as a health functional food material in Silybum marianum extraxt (milk thistle). UPLC was performed on a Waters Acquity BEH C18 (50×2.1 mm, 1.7 μm) column using a gradient elution of distilled water and methanol at a flow rate of 0.21 mL/min and detection wavelength of 288 nm. The UPLC method showed high linearity in the calibration curve at a coefficient of determination (r2) of >0.9999, and limit of detection and quantitation for 6 flavonolignans were 0.0167-0.2469 and 0.1648-1.2931 μg/mL, respectively. The recovery of each flavnolignan was in the range of 99.96-100.81%, and the relative standard deviation for precision of each flavonolignan was less than 1.0%. The UPLC method established in this study was more specific for the quantitative determination of silymarin than the HPLC method. Also, since the UPLC method is shorter in the equipment operation time and smaller in the amount of used solvent than the HPLC method, UPLC is expected to have higher energy efficiency and lower environmental impact compared with HPLC.
4,000원
8.
2018.05 구독 인증기관 무료, 개인회원 유료
Quality changes in yakgwa (such as color, moisture contents, acid value, rheological properties, and viable cells) using different types of frying oils was examined for 5 weeks. During the storage period, the lightness and yellowness of all samples were increased and there was no significant difference in redness. After 5 weeks of storage, rice bran oil showed the least color difference. There was no difference in the moisture contents of all samples except for grape seed oil, while the moisture contents of yakgwa fried with grape seed oil was decreased. The acid value increased as the storage period increased regardless of the type of frying oil, and yakgwa fried with rice bran oil and grape seed oil showed a low acid value. The hardness was increased as the storage period increased, but there was no difference in the hardness between the samples. The adhesiveness and resilience were decreased and the chewiness was increased. The total cell count did not increase significantly as the storage period, and there was also no difference in the total cell count between the samples. There was a high level of yeast and mold in comparison to total cell count, and the colony of bacteria was not detected.
4,000원
9.
2018.05 구독 인증기관 무료, 개인회원 유료
This study was to demonstrate the comparison of immunological activity between vegetable soup made by fresh and extruded radish in in-vitro (bone marrow-derived macrophages and dendritic cells, and mouse splenocytes) and invivo models. In cell survival tests, extruded radish added to vegetable soup (EVS) and non-extruded radish added to vegetable soup powder (NEVS) were treated with bone-marrow derived macrophages, dendritic cells, and mouse splenocytes, and showed no cytotoxic effect at a dose below 1000 μg/mL. EVS treated cells had greater cell proliferation and cytokine [tumor necrosis factor (TNF)-α, interleukin (IL)-6, IL-1β, IL-2, interferon (INF)-γ] production when compared to the NEVS treated group. Cell surface marker (CD 80/86, MHC class I/II) expression in bone marrow-derived macrophages and dendritic cells was evenly increased in the EVS treated group. In in-vivo study, administration of EVS increased for the CD4 and CD8 T cell population in splenocyte and cytokine production (IL-2, IFN-γ, TNF-α) but not Th2 type cytokines (IL-4). Therefore, adding the extruded radish is a more effective method for vegetable soup to increase immunological activity against immune cells.
4,300원
10.
2018.05 구독 인증기관 무료, 개인회원 유료
The objectives of this study were to characterize the physicochemical properties of ginger (Zingiber officinale Rosc.) and the optimum extract processing condition to increase the solubilization efficiency of 6-gingerol and polysaccharides disintegration. The physicochemical properties were investigated under high-pressure enzyme (HP) and enzyme (WB) treatment conditions such as reaction time (1, 2, 3 h), pressure (50, 70, 100 MPa) and sample types, and cell wall degradation enzyme (hemicellulase, cellulase, pectinase, glucosidase, etc.) The effect of high-pressure enzyme treatment depending on sample types was significantly highest in the freeze-dried ginger powder. The optimum condition for high-pressure enzyme treatment was with Pectinex Ultra SP-L (Pec) enzymes for 2 h at 50oC and 100 MPa. Water soluble indexes increased 4.6 and 3.8 times more compared to CON (15.35%) while total polyphenol contents increased by 1.8 and 1.7 times compared to CON (1.43%). The total contents of indicator components such as 6, 8, 10-gingerol and shogaol was 1.53%, increasing 2.7 times more compared to CON (0.57%) with a significant difference (p<0.001). The high-pressure and enzymatic approach described in this study would be beneficial to food industries for developing ginger functional product and materials.
4,500원
11.
2018.05 구독 인증기관 무료, 개인회원 유료
The purposes of this study was to investigate the effect of high pressure processing (HPP) on a sterilization and microbiological shelf-life of commercial beef patties by varying the pressure level (200, 300, 400, and 500 MPa), treatment time (0-10 min), and storage period (0-16 day at 4oC). The HPP treatment of 200 MPa were ineffective, however the treatment of 300, 400, and 500 MPa reduced the bacterial count by 0.61-1.16, 1.11-1.69, and 2.73-3.86 log (CFU/g), respectively. During 16 days of storage, the viable cell numbers in beef patties treated with 400 and 500 MPa were substantially lower than those in the non-treated control. The control count reached 6.6 log CFU/g after 16 days at 4oC, but after the same storage time, the counts in HPP-treated samples of 400 and 500 MPa were 4.7 and 3.1 log CFU/g, respectively. After an HPP treatment of 200-500 MPa, the pH values were approximately 5.83-6.28. During the 16 days of storage, the pH values in the samples of 400-500 MPa were maintained at initial levels throughout the storage period, regardless of treatment time for HPP.
4,000원
12.
2018.05 구독 인증기관 무료, 개인회원 유료
This study investigated the effect of natural and chemical food additives on the oxidative quality and shelf life of fried-balls used in Udong. Specifically, we evaluated the antioxidant activity of hot water extracts from broccoli added to fried-balls. When treated with antioxidants, fried-balls exhibited lower acid and peroxide values than that of the control group (untreated fried-balls). In addition, the analysis of GC/MS revealed that the contents of unsaturated fatty acids in the fried balls treated with antioxidants were higher than that of the untreated fried-balls, suggesting that the antioxidants slowed the oxidation. Our results showed that broccoli extract was effective in inhibiting oxidation of fried balls used in Udong. Therefore, these antioxidants might be used as food additives to preserve fried balls and consequently extend the shelf-life.
4,000원