Results 51 to 60 of about 25,271 (286)
ChemFoodChem, EarlyView.Cassava starch films were functionalized with Ucuúba fat and cellulose nanocrystals to tailor wettability, optical, mechanical, and barrier properties. Integrating Amazonian bioresources with nanotechnology enables sustainable edible coatings with tunable performance for fresh food preservation and enhanced UV protection.
Geovana Cristina Pinto Rodrigues +4 more
wiley +1 more source
Zhongguo youzhi摘要：旨在为提高油莎豆的贮藏稳定性，采用微波对油莎豆进行预处理，研究了冷藏（4 ℃）和常温（20~31 ℃）贮藏条件下油莎豆水分含量、脂肪酶活性及其油脂酸值和过氧化值的变化规律，同时测定了油莎豆油的脂肪酸组成和脂质伴随物含量。结果表明：在常温贮藏或冷藏过程中，油莎豆的水分含量、脂肪酶活性及油莎豆油的酸值、过氧化值均呈一定增长趋势，微波预处理显著降低了油莎豆的水分含量、脂肪酶活性和油莎豆油的酸值；常温贮藏和冷藏120 d后，704 W 处理270 s制备的油莎豆油的酸值（KOH）小于4 mg/100 ...
邓淑君1,2,3，郝琴1,2,3，万楚筠2,3，郭婷婷2,3，魏春磊2,3 DENG Shujun1,2,3，HAO Qin1,2,3，WAN Chuyun2,3， GUO Tingting2,3, WEI Chunlei2,3
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Ireland’s Revealed Comparative Advantage [PDF]
This paper seeks to quantify the extent to which Ireland has a comparative advantage in certain industries and how this has changed over the period between 1997 and 2002.
Addison-Smyth, Diarmaid
core
The Canadian Journal of Chemical Engineering, EarlyView.Methyl transesterification of soybean oil using heterogeneous catalysts for biodiesel production. Abstract The growing global demand for renewable fuels has driven the search for efficient catalysts in biodiesel production. This study presents the synthesis and characterization of x_MoO3/Z‐22 and x_MoO3/MMP heterogeneous catalysts, and evaluates the ...
André Miranda da Silva +4 more
wiley +1 more source
Zhongguo youzhi为促进野生核桃的综合开发利用，以云南省临沧市野生核桃为原料，测定了核桃仁粗脂肪、粗蛋白质含量，核桃仁粕氨基酸组成、矿质元素含量，以及核桃油的生育酚含量、总脂肪酸及sn-2位脂肪酸组成，并分析了其热特性。结果表明：野生核桃仁中粗脂肪含量为44.04%，粗蛋白质含量为2163%；核桃仁粕中7种人体必需氨基酸占氨基酸总量的31.47%，9种药用氨基酸占氨基酸总量的70.97%；核桃仁粕中含有丰富的矿质元素，属于高钾低钠食品，微量元素中Mn元素含量最高，为144.8 μg/g，重金属元素未检出 ...
韦承珊1,2，毕佳俊1,2，李云仙1,2，刘祥义1,2，徐娟1,2 WEI Chengshan1,2，BI Jiajun1,2，LI Yunxian1,2，LIU Xiangyi1,2，XU Juan1,2
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ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.Fabrication process of phase change microcapsules using a Pickering emulsion template method and their subsequent applications. The increasing demand for efficient thermal energy storage systems has driven the development of phase change material microcapsules (PCMMs), which provide high energy‐storage density, reversible phase change, and reduced ...
Ziyan Li +4 more
wiley +1 more source
植物甾醇提取纯化方法研究进展Research progress on extraction and purification methods of phytosterols
Zhongguo youzhi为了提高植物甾醇的提取效率和纯度，对植物甾醇的结构和来源，提取纯化方法及其辅助技术的原理、种类、特点以及应用等进行归纳分析，并对今后的研究方向提出了建议。植物甾醇来源广泛，但传统的植物甾醇提取纯化方法如溶剂萃取法等存在收率低、纯度低以及影响环境等缺点，具有一定局限性。新型的植物甾醇提取纯化方法如超临界CO2法等具有操作简单、无毒、产品纯度高等优点，是一种环保高效的提取方法。辅助提取技术如酶、微波、超声波和磁场等能够优化对植物甾醇的提取纯化工艺，提高提取纯化效率。通过将传统方法进行改良、与新型方法结合 ...
王媛媛，马改琴，李跃凡，李琪，高媛，于修烛WANG Yuanyuan, MA Gaiqin, LI Yuefan, LI Qi, GAO Yuan, YU Xiuzhu
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Exchange-Rate Pass-Through to Import Prices in the Euro Area [PDF]
This paper presents an empirical analysis of transmission rates from exchange rate movements to import prices, across countries and product categories, in the euro area over the last fifteen years.
José M. González-Mínguez +2 more
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Food Chemistry International, EarlyView.In an aqueous alkaline medium, fatty acids (from the hydrolysis of triglycerides or freely present in the oil) are ionised in order to form emulsifiers (carboxylates) which will physically stabilise the prepared emulsion. The higher the free fatty acids content of the oil and alkalinity of the solution, the higher will be the stability of the prepared ...
Ngoualem Kégah Franklin +3 more
wiley +1 more source
Zhongguo youzhi旨在产出高质量棉籽蛋白并对脱酚液中的棉子糖进行回收利用，对棉籽蛋白脱酚工艺及棉子糖的制备工艺进行了研究。结果表明：控制棉仁粉末度在21.44%左右，脱酚溶剂甲醇体积分数80%~90%，料液比在1∶ 0.56~1∶ 0.63之间，不仅可以达到最佳的棉籽蛋白脱酚效果，还可稳定采出棉子糖含量在3%以上的脱酚液；控制一次浓缩挥发性组分在85%左右，絮凝时pH为8～9，脱色时pH为5～6，二次浓缩挥发性组分为45%左右，所提取的棉子糖粗品中棉子糖含量可达到85%，重结晶后棉子糖含量可达到98%以上。In ...
刘君，王如南，邵会，韩文杰，张军 LIU Jun，WANG Runan，SHAO Hui，HAN Wenjie，ZHANG Jun
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