Sentences with phrase «oxidation product»

The fate of the dissolved CO2 oxidation product of methane would be for some of it eventually to equilibrate with the atmosphere.
He adds that an oxidation product is most effective with treating older stains.
The most prevalent protein oxidation product generated during milk processing is methionine sulfoxide, which is formed by oxidation of methionine.
A reducing agent is an antioxidant only when it's not a structural component, for example vitamin C, or when it's a structural component but its oxidation product can be reconverted back to it, examples of which are the two amino acids you have mentioned, with the caveat that, because reconversion involves enzymes and coenzymes, it's efficient only when the antioxidant is present in relatively small amounts.
The oxidation product of the methane, CO2, builds up enough to impact the climate as well.
The most potent of the related alkaloids was the mitragynine oxidation product 7 - hydroxymitragynine.
That allowed them to quantify the amount of oxidation product that was formed during the reaction.
In the current work, the team filled the chamber with sulfur dioxide and pinnanediol (an oxidation product of alpha - pinene) and then generated hydroxyl radicals (the dominant oxidant in Earth's atmosphere).
In the atmosphere today, particle formation is dominated almost everywhere by mechanisms where at least three chemical components must come together: apart from the two basic substances, i.e. sulphuric acid and water, these are either ammonia or specific organic compounds such as oxidation products from terpenes.
Weschler adds: «The jury's still out on some of these oxidation products.
These oxidation products of compounds such as monoterpenes results in an increase of condensing vapours that can further form cloud condensation nuclei over the continents and thus has an influence on the formation of clouds.
«We don't yet know what the implications of more PAH oxidation products over the tropics are for future human or environmental health risk assessments.
Besides the damage from trans fats, vegetable oils such as peanut, corn, and soy oil degrade into highly toxic oxidation products called cyclic aldehydes when heated, and these byproducts may actually do more harm than trans fat.
It's bound to taste great, impart seasonality, and reduce the formation of carcinogens and oxidation products.
And even when vegetable oils aren't being hydrogenated and eaten in margarines, cakes and biscuits etc and are used for frying as a liquid, they degrade into toxic oxidation products (never mind the glyphosate contamination and genetic engineering prevalent in modern varieties).
Siddiqui, R. A., Harvey, K., and Stillwell, W. Anticancer properties of oxidation products of docosahexaenoic acid.
The oxidation products of the other amino acids can not be reconverted to the corresponding amino acids, but those of C and M can.
Adulteration with vegetable oil is highly unlikely since the fermented cod liver oil shows no signs of oxidation products.
The G8 didn't commit to take meaningful actions to curb C02 emissions by keeping fossil fuels or their oxidation products in the ground.
Mechanistic studies of dimethylsulfide oxidation products using an observationally constrained model
We show that as fossil fuel combustion is phased out in an urban coastal area, particle formation will decrease substantially but still continue at a reduced rate due to the contribution from OSC oxidation products.

Not exact matches

Products to be showcased include Capsugel's Licaps ® fast - release liquid and multi-particulates filled capsules that protect against the oxidation of sensitive ingredients, while also enabling unique formulations for improved product performance; and DUOCAP ™, a capsule - in - capsule delivery system that is ideally suited for combining usually incompatible formulas in a single dosage form or for enabling two different release profiles for a single active ingredient.
MAP modifies the internal atmosphere of a package, usually lowering the amount of oxygen to slow the growth of organisms that would promote product oxidation and decay.
This means that bottles remain fully recyclable and protect sensitive products such as juice, wine, sauce and liquid food from oxidation and carbonated beverages from carbon dioxide loss.
Naturally sourced antioxidants and even natural flavor extracts can be used to delay the onset and slow the rate of oxidation, keeping the products tasting and smelling fresh over the entire shelflife.
Because these fats, once exposed to air by the refining process, are highly susceptible to oxidation, this layer is removed to extend the shelf life of the product.
As contaminated pathogenic air is processed through a patented bio-conversion reactor bed, this green technology, integrated with Photocatalytic Oxidation (PCO), works in unison to destroy harmful airborne microbes and dismantle volatile organic compounds (VOC) while producing no by - products.
Development of value - added food products from rice hulls, including products (such as ground beef and catfish patties) utilizing antioxidants from rice hulls to reduce lipid oxidation.
Indeed, roasting nuts produces more advanced glycation end products when roasted (although less compared with animal products) and lipid oxidation can occur when roasted.
Protectant: Some of these products leave being a special protective coating that will keep oxidation and rust away for a while after polishing.
They were able to achieve 100 percent oxidation of ammonia and 99 percent selectivity toward desired products with the high entropy alloy nanoparticles, proving their ability as highly efficient catalysts.
For example in octanes, such as the ones found in gasoline, there's a carbon chain of eight carbons with multiple C - H bonds with different chemical properties, Garcia - Bosch said, and from the oxidation of each of the C - H bonds, a different product results.
One of the byproducts of oxidations with hydrogen peroxide (H2O2) is water (H2O), which is the cleanest waste product you could have.»
«Our process could contribute over the long term to use of cereal hemicelluloses with antioxidant activities in many ways, such as non-fossil based packaging, preserving sensitive foods or drugs from oxidation, dietary fibre supplements and texturizing gels in food and cosmetic products.
Millions of tons of environmental waste by - products are produced each year due to inefficient selective oxidation processes.
Wang's research group designed a five - metal catalyst based on these high - entropy - alloy nanoparticles and demonstrated superior catalytic performance for selective oxidation of ammonia to nitrogen oxide, a reaction used by the chemical industry to produce nitric acid, an important chemical in the large - scale production of fertilizers and other products.
Post — assembly line cascades of enzymatic oxidations also create cross-linked and cyclized architectures that generate the mature scaffolds of natural product antibiotics.
This anode reaction requires less energy and is faster than water oxidation while producing an industrially important chemical product.
Metz is a Senior Research Scientist for Pacific Northwest National Laboratory; his areas of expertise include metabolomic methods» development and application to disease profiling in biological fluids and tissues, and non-enzymatic modification of tissue proteins by products of glucose and lipid oxidation.
In this approach all of the functional groups, oxidation states, and stereochemical elements required to get a diverse array of products are preinstalled into building blocks.
Chemists have long wanted to find better ways to achieve anti-Markovnikov selectivity in alkene oxidations — for example, to convert the aldehyde products to linear alcohols, which are commonly used in flavorings, perfumes, lubricants, and cosmetics.
Formic acid is a product of the α - oxidation of fatty acids by human skin fibroblasts: deficiency of formic acid production in peroxisome - deficient fibroblasts
Another way to solve for the oxidation issue is by investing in a powdered product.
A lot of vitamin C products are formulated or bottled in a way that leads to rapid oxidation, which can decrease its efficacy.
In contrast, melatonin breaks into very stable products upon oxidation; hence further reaction with free radicals does not reduce it any further.
A recent study by Wood et al. demonstrated for the first time that human white scalp hair shafts accumulate hydrogen peroxide, a product of oxidation, with absent or very low levels of catalase and methionine sulfoxide reductase (MSR) protein.
Stress resistance has not been assessed however and so the biological relevance of this finding is currently unknown.32 Several IER trials (75 - 85 % ER on restricted days) in overweight / obese populations have reported reductions in various markers of oxidative stress 37, 41, which in one study was accompanied by a complementary increase in the anti-oxidant uric acid.37 In a direct comparison of IER (75 % ER for two days / week) and CER, both ER strategies displayed equal efficacy in reducing levels of fast - acting advanced oxidation protein products (AOPP) after six months, which displayed a tendency to occur earlier (i.e. at three months) in the IER group.41 Levels of slow - acting (i.e. long term) AOPP tended to decrease in the IER group and increase in the CER group which the authors proposed may have resulted from IER - induced activation of autophagy, a key homeostatic cellular process in which dysfunctional or unnecessary cellular proteins are degraded and recycled.41 On the other hand, a follow - up study using similar IER / CER protocols demonstrated comparable reductions in AOPP in both groups after three months.48 Summary and Future Research Directions
An animal study published in a 2012 «Asian Pacific Journal of Cancer Prevention» found that prickly pear prevented skin cancer by increasing antioxidant activity and decreasing oxidation of lipids — damage caused by accumulated toxins and waste products.
Cilantro also increased activity of antioxidant enzymes and prevented lipid oxidation — damage from accumulated toxins and waste products.
Not to mention though, the oxidation that consuming animal products causes.
a b c d e f g h i j k l m n o p q r s t u v w x y z