单词 | hydrogenation |
例句 | “I was sixteen when I got this order to report with my whole class to guard a hydrogenation plant,” said Manfred Schroeder. Hitler Youth: Growing Up in Hitler's Shadow 2005-04-01T00:00:00Z The process, known as hydrogenation, ultimately yields a type of unsaturated fat called trans fat, which is commonly formed when liquid oils are made into solid fats. The FDA is attempting to ban partially hydrogenated oils for good. But what in the world are they? 2023-08-16T04:00:00Z This often includes steps such as hydrogenation, which produces semisolid oils, and hydrolysis, which enhances flavors. How Do Ultraprocessed Foods Affect Your Health? 2023-11-08T05:00:00Z The team evaluated the catalytic activity of the complexes for a specific photoreaction called transfer hydrogenation, a common reaction used in various industries. Novel ligands for transition-metal catalysis of photoreactions 2023-09-19T04:00:00Z To convert vegetable oils into solid fats, they can undergo a process called partial hydrogenation, which alters their chemical structure. Can you substitute butter for shortening? Here’s what to consider. 2022-04-25T04:00:00Z Large quantities of hydrogen are also important in the process of hydrogenation, discussed in the chapter on organic chemistry. Chemistry 2019-02-14T00:00:00Z During this hydrogenation process, double bonds in the cis- conformation in the hydrocarbon chain may be converted to double bonds in the trans- conformation; unfortunately, trans fats have been shown to contribute to heart disease. Biology for AP Courses 2022-06-09T00:00:00Z Through hydrogenation – a chemical process that can be used to turn liquid oils into solid or semi-solid fats – manufacturers were able to transform smelly whale products into odorless margarine for human consumption. The USSR once hunted endangered whales — while its scientists secretly tracked its toll 2022-08-13T04:00:00Z They are derived from sugars through a process known as hydrogenation and can't be degraded by oral bacteria, lessening tooth decay problems. Scientists find a shortcut to make a rare — and possibly healthier — sugar 2020-09-19T04:00:00Z As I mentioned above, vegetable shortening often relies on the process of hydrogenation, though others are formed through cycles of pressing, filtering and chilling. Can you substitute butter for shortening? Here’s what to consider. 2022-04-25T04:00:00Z From the beginning, the company’s marketers talked a lot about the marvels of hydrogenation — what they called “the Crisco process” — but avoided any mention of cottonseed. How Crisco toppled lard — and made Americans believers in industrial food 2019-12-29T05:00:00Z During this hydrogenation process, double bonds of the cis- conformation in the hydrocarbon chain may be converted to double bonds in the trans- conformation. Biology for AP Courses 2022-06-09T00:00:00Z The Evansville Courier & Press reports that Riverview Energy Corporation’s proposed project would use a process called direct coal hydrogenation to turn coal into ultra-low sulfur diesel fuel. Company official: coal-to-diesel plant to have few emissions 2018-06-15T04:00:00Z Trans fats are created when hydrogen is added to vegetable oils through a process called hydrogenation. Why ‘trans fat-free’ might not mean what you think 2016-09-11T04:00:00Z “Stick margarines are often made through a process called hydrogenation, transforming liquid oil into a solid, resulting in the creation of trans fats, which decrease good cholesterol and increase bad cholesterol,” says Ikemoto. 12 'Healthy' Swaps That Can Backfire 2015-09-20T04:00:00Z This is done via a chemical reaction called hydrogenation, in which hydrogen is pumped into the oils, along with a tiny smidgen of nickel, which acts as a catalyst. The metal that brought you cheap flights - BBC News 2015-05-15T04:00:00Z The hydrogenation of oil makes the trans fat, which contains double bonds in its structure. Biology for AP Courses 2022-06-09T00:00:00Z Partial hydrogenation creates trans fat, the nutritional villain that’s been linked to a host of health problems, from heart disease and type 2 diabetes to fertility challenges. 5 Healthy Baking Swaps You Need to Try 2014-11-26T05:00:00Z Restaurants tend to reuse their oil for multiple fryings, a practice that deteriorates oils through oxidation and hydrogenation. Here's Why You Should Avoid Fried Food During Pregnancy 2014-10-09T04:00:00Z Through hydrogenation, hydrogen atoms are added to convert farnesene into a molecule called farnesane, which makes up the renewable jet fuel. Airlines Fly the Skies on a Sugar High 2014-10-07T04:00:00Z In fact, in 1912 the inventors of partial hydrogenation received the Nobel Prize. The Scientific Case for Banning Trans Fats 2013-12-13T12:45:00.410Z Because CO is relatively stable, however, its hydrogenation typically requires extreme conditions. [Report] Direct and Reversible Hydrogenation of CO2 to Formate by a Bacterial Carbon Dioxide Reductase 2013-12-12T19:27:02.051Z Asymmetric hydrogenation of alkenes is one of the most widely used methods for the preparation of single enantiomer compounds, especially in the pharmaceutical and agrochemical industries. [Report] Cobalt Precursors for High-Throughput Discovery of Base Metal Asymmetric Alkene Hydrogenation Catalysts 2013-12-04T22:56:14.318Z The trans formation linked to heart disease is formed when vegetable oils are hardened to prolong shelf life in a manufacturing process called hydrogenation. Well: Food Myths 2012-12-31T05:01:32Z On the other hand, , created during the hydrogenation process, seem to increase heart disease risk. Recipes for Health: Salad Dressings: Hold the Guilt 2011-02-07T22:50:03Z But the process of partial hydrogenation changes the shape of those molecules, which almost certainly alters their function in unpredictable ways. The Scientific Case for Banning Trans Fats 2013-12-13T12:45:00.410Z They also are formed during the hydrogenation process of making margarine, shortening, and cooking oils. Lowering LDL Cholesterol 2010-11-17T19:00:00Z Including chapters on the refining of oils, the hydrogenation of oils, the generation of hydrogen, soap making, the recovery and refining of glycerine, and the splitting of oils. Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. A court decision on the patent rights of hydrogenation is given in Journal of Industrial and Engineering Chemistry for December, 1917. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries It is evidently what the chemists call an "unsaturated" compound, one that has not reached its limit of hydrogenation. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries This discovery of how to separate the hard and soft fats was followed by improved methods for purifying them and later by the process for converting the soft into the hard fats by hydrogenation. Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries |
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