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RISS 인기검색어
- 검색키워드
- 저자 : Weilin Zhou (검색결과 4 건)
- 무료
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The Effect of Biological (Yeast) Treatment Conditions on Acrylamide Formation in Deep-fried Potatoes
Weilin Zhou,Miao Wang,Jian Chen,Ruohua Zhang 한국식품과학회 2015 Food Science and Biotechnology Vol.24 No.2
Effects of biological (yeast) treatments on acrylamide formation in deep-fried potatoes were studied. Potato chips were subjected to yeast fermentation prior to deep-frying to lower the level of reducing sugars and to reduce the amount of acrylamide. The solid-liquid ratio, fermentation temperature, and quantity of added yeast were studied. Optimum conditions for decreasing reducing sugar contents were a 1:4 solid-liquid ratio, a fermentation temperature of 37oC, and addition of 0.5% yeast. Potato strips treated under optimum conditions had 70% less acrylamide than control group chips after deep-frying. Yeast fermentation treatments are an effective way to reduce acrylamide formation in fried potatoes without influencing product quality.
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Aming Wang,Feng Liu,Liangjun Xia,Chunhua Zhang,Sijie Zhou,Zhuan Fu,Yunli Wang,Weilin Xu 한국공업화학회 2021 Journal of Industrial and Engineering Chemistry Vol.103 No.-
Severe effluent pollution and chemical damage to protein fibers generated from conventional aqueousdyeing process have stimulated interest in exploiting sustainable dyeing of wool. Herein, an ethanol(EtOH)-carbon tetrachloride (CCl4)-water (H2O) ternary solvent system was used as the dyeing mediumto protect wool fibers from being damaged in the dyeing process. The wool fibers were firstly pretreatedin an aqueous acid solution, followed by dyeing in the EtOH-CCl4-H2O (45:50:5) ternary solvent systemwith reactive dyes. The results indicated that the acid pretreatment solution could be reused for severaltimes, the samples dyed in the EtOH-CCl4-H2O mixture with the investigated dyes showed higher K/S valuescompared to the conventional approach, implying the increased dye utilization and decreased effluentsdischarge were realized. Furthermore, acceptable permeability, good colorfastness, and satisfactoryleveling properties of the dyed samples were achieved using the developed method. Additionally, thesolvent-assisted dyed samples showed improved mechanical properties compared with the conventionallydyed samples. The dyeing mechanisms of wool fibers in the EtOH-CCl4-H2O mixture were illustratedin detail. The proposed dyeing technology consumes fewer energy, freshwater, and chemicals comparedwith the conventional wool dyeing method. Future work will principally concentrate on the reuse of thedye-contaminated EtOH-CCl4-H2O mixture.
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Lezhu Su,Lizhou Ou,Yujiao Wen,Yifan Wang,Weilin Zhao,Zhi Zhou,Mei-e Zhong,YONGFA ZHU,Nan Zhou 한국공업화학회 2021 Journal of Industrial and Engineering Chemistry Vol.102 No.-
Exploring catalyst materials which are advancing, recyclable and with high catalytic performances toremove persistent organic pollutants such as Quinclorac (QNC) is important. In this work, a novel Ndopedcarbon support CoFe2O4/Fe0 hybrid catalyst (CFO/Fe@C) was in situ formed by a simple coprecipitationand calcination process. Fine intergrowth crystal CoFe2O4 and Fe0 were uniformly dispersedon the N-doped porous carbon that derived from the raw material Ethylene Diamine Tetraacetic Acid(EDTA), which also provided chelating effect to prevent the agglomeration of the metals. Interestingly,the Fe0 could only be formed with the presence of cobalt, possibly due to the increased reduction propertyresulted from the particle refinement. The as-formed Fe0 could not only activate the peroxymonosulfate(PMS) but also reduce the Co3+, resulting in a synergistic impact to remarkably enhance thedegradation performance. Besides, the N-doped porous carbon can also benefit the degradation of pollutantby strengthening the electron transfer. A good degradation efficiency of QNC was obtained in CFO/Fe@C-PMS system and most of the QNC had been degraded to carbon dioxide, water and other smallmolecular organisms. The removal rate remained over 70% after four reuses and the material could beeasily recovered from the solution due to the good magnetic properties. Therefore, the as-preparedCFO/Fe@C catalyst should be an ideal catalyst for the removal of organic pollutants.
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Qiang Wei,Xiao Xu,Chao Wang,Runzhou Zhuang,Li Zhuang,Lin Zhou,Haiyang Xie,Jian Wu,Min Zhang,Yan Shen,Weilin Wang,Shusen Zheng 거트앤리버 소화기연관학회협의회 2016 Gut and Liver Vol.10 No.4
Background/Aims: We aimed to evaluate the efficacy and safety of an immunosuppressive regimen without steroids after liver transplantation (LT) for hepatitis B virus (HBV)-related hepatocellular carcinoma (HCC). Methods: Sixty-six HCC patients who underwent an immunosuppressive regimen without steroids after LT were enrolled in the steroid-free group. The preoperative characteristics and postoperative outcomes of these patients were compared with those of 132 HCC recipients who were placed on an immunosuppressive regimen using steroids (steroid group). The incidence of acute rejection, HBV recurrence, infection, and new-onset diabetes mellitus and the overall and tumor-free survival rates were compared between the two groups. Results: Differences were not observed in the 1-year (83.3% vs 97.0%, p=0.067), 3-year (65.4% vs 75.8%, p=0.067) or 5-year (56.3% vs 70.7%, p=0.067) patient survival rates or in the 1-year (62.1% vs 72.7%, p=0.067), 3-year (49.8% vs 63.6%, p=0.067) or 5-year (48.6% vs 63.6%, p=0.067) tumor-free survival rates between the two groups, respectively. In the steroid-free group, the patients who fulfilled the Milan criteria had higher overall and tumor-free survival rates than those in the steroid group (p<0.001). The prevalence of HBV recurrence (3.0% vs 13.6%, p=0.02) was significantly lower in the steroid-free group compared with the steroid group. Conclusions: After LT, an immunosuppressive regimen without steroids could be a safe and feasible treatment for HBVrelated HCC patients, thus resulting in the reduction of HBV recurrence. Based on the observed survival rates, patients who fulfill the Milan criteria may derive benefits from steroidfree immunosuppression.
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