Sentences with word «hemicellulose»

Purified Water, Citric Acid, Cetylpyridinium Chloride, Chlorophyllin, Glycerin, Potassium Sorbate, Fructooligosaccharide, Hemicellulose Extract, Green Tea Leaf Extract.

Crude fiber, which is what is listed on pet food labels, quantifies insoluble dietary fiber, which is primarily cellulose, some lignin, and a small amount of hemicellulose.

Saha described a method of extracting sugar from hemicellulose, which comprises 35 % of corn fiber and is made up of 70 % carbohydrates.

A transgenic lignin - hemicellulose molecule.

UD's one - step technology integrates the pretreatment step and the hydrolysis of cellulose and hemicellulose in one pot and operates at considerably low temperature (85 °C) and short reaction time (one hour), which makes the method energy efficient.

Further analysis of the most important protein revealed that the embedded component was a carbohydrate - binding module (CBM), which, as its name implies, latches onto carbohydrates such as hemicellulose.

Of the three cell wall components, lignin is the most troublesome for the biofuel industry because it limits the extraction of cellulose and hemicellulose for biofuel production, according to Siobhan Brady, an assistant professor in the Department of Plant Biology and Genome Center at UC Davis and a co-author of the study.

But scientists do know that lignins — the much larger molecules that have a direct relationship with fibers like cellulose and hemicellulose mdash; can contain lignans including the pinoresinol and lariciresinol found in kale.

This enzyme shreds the plant fiber hemicellulose so that other enzymes can work on it to break it down into its unit sugars.

That hasn't happened yet because hemicellulose is a tough nut to crack.

This is the pretreatment reactor, where hemicellulose is dissolved into a liquid of simple sugars, exposing the cellulose to enzymatic attack.

Perhaps more importantly, the researchers have also imported genes that allow E. coli to secrete enzymes that break down the tough material that makes up the bulk of plants — cellulose, specifically hemicellulose — and produce the sugar needed to fuel this process.

Production of NCC starts with «purified» wood, which has had compounds such as lignin and hemicellulose removed.

«We wanted to see if there was a difference in the lignin - hemicellulose network if you substituted water - resisting aldehydes in the lignin for water - attracting alcohols,» said Loukas Petridis, an ORNL staff scientist.

This problem can be traced to the molecular makeup of the plant cell wall, where lignin and hemicellulose bond to form a tangled mesh around cellulose.

The figure below shows the performance of a xylose utilizing yeast biocatalyst for fermenting a xylose under two conditions: 1) a condition where xylose is the primary sugar present (in this case hemicellulose isolated from pretreated hardwood, and 2) a condition where xylose and glucose are present at approximately equal levels (in this case a hydrolysate generated from a pretreated agricultural waste).

Is an enzyme that breaks down a specific component of a fiber called hemicellulose into a simple sugar called xylose.

Examples include hemicellulose, cellulose and lignins.

She also hold a master's degree in Integrative Biology from the University of Basel and spent one year at the University of Vienna in Austria developing a method for hemicellulose extraction.

They started by creating two strains of E. coli, inserting genes for breaking down cellulose in one and genes for breaking down hemicellulose in the other.

Cabbage: This cruciferous vegetable is high in soluble dietary fibres such as hemicellulose and pectin, which stabilise blood sugars and boost good bacteria in your belly where many important hormones are made.

But scientists do know that lignins — the much larger molecules that have a direct relationship with fibers like cellulose and hemicellulose mdash; can contain lignans including the pinoresinol and lariciresinol found in kale.

Looking for weedy candidates The research represents just one of several ways scientists are altering plants to maximize their ability to produce cellulose and hemicellulose for biofuels, said Laura Bartley, an assistant professor in the Department of Microbiology and Plant Biology at the University of Oklahoma.

The hemicellulose sugars of barley straw can be effectively fermented into biobutanol, when starch is added during the pre-treatment or fermentation process, shows a new University of Eastern Finland study.

Together, these strip out the cell walls in wood, made up of lignin and hemicellulose, leaving just the skeletal nanofibres of cellulose.

The problem is that the sugar is accessible only after it is chemically converted from the tough molecules that make up the walls of plant cells: fibrous cellulose, hemicellulose, and lignin.

The chemicals partially strip the wood of substances called lignin and hemicellulose, which help give wood its structure and rigidity...

David Hibbett of Clark University, another of the study's senior authors, compared the work to a previous collaboration with the DOE JGI detailed in Science to trace the evolution of white rot fungi, which are capable of breaking down cellulose, hemicellulose and lignin in plants.

These cheap, simple chemicals strip out the cell walls, made up of lignin and hemicellulose.

The team's conclusion — that hydrophobic, or water repelling, lignin binds less with hydrophilic, or water attracting, hemicellulose — points researchers toward a promising way to engineer better plants for biofuel.

His team's simulation of a genetically modified lignin molecule linked to a hemicellulose molecule adds context to work conducted by researchers at DOE's BioEnergy Science Center (BESC), who demonstrated that genetic modification of lignin can boost the amount of biofuel derived from plant material without compromising the structural integrity of the plant.

A comparison of the simulations showed weaker interaction between hemicellulose and the modified lignin than with wild lignin, suggesting that hydrophobic lignin interacts less with hydrophilic hemicellulose.

Unraveling the tightly wound network of molecules — cellulose, hemicellulose, and lignin — that make up the cell wall of plants for easier biofuel processing.

Computer simulations revealed that hydrophobic, or water repelling, lignin (brown) binds less with hydrophilic, or water attracting, hemicellulose (green).

It doesn't require a separate pretreatment step commonly used in biorefineries to disintegrate the lignin from the sugar polymers cellulose and hemicellulose.

At this point, the beans are surrounded by an unappetizing white, gooey, pulp composed of sugars, proteins, water, pectin, and small amounts of lignin and hemicellulose.

The basic steps of biofuel production start with deconstructing, or taking apart, the cellulose, hemicellulose and lignin that are bound together in the complex plant structure.

Enzymes are then added to release the sugars from that gooey mixture of cellulose and hemicellulose, a step called saccharification.

While the hemicellulose material is easily dissolved by a process known as dilute acid - catalyzed hydrolysis, the cellulose is tougher and remains solid.

The palm oil waste contains carbohydrate material, known as cellulose and hemicellulose that can be broken down into sugars for use in fuel and plastic production.

The cell walls of the FHB - resistant variety had a particular composition of lignin — a structural component which plays a crucial role in cell wall reinforcement — and showed unique compositions of other structural components including pectin and hemicellulose.

Cellulose, along with lignin and hemicellulose, is one of the main constituents of wood.

Two groups of researchers at the University of Massachusetts, Amherst, and the University of California, Davis, have found the gene regulatory networks that are responsible for the synthesis of the secondary cell wall components, cellulose, hemicellulose and lignin in the model plant Arabidopsis thaliana.

«We expressed the human gut bacterial enzymes and found that for some related enzymes, the human ones actually were more active (in breaking down hemicellulose) than the enzymes from the cow,» Cann said.

«In looking for biofuels microbes in the cow rumen, we found that Prevotella bryantii, a bacterium that is known to efficiently break down (the plant fiber) hemicellulose, gears up production of one gene more than others when it is digesting plant matter,» Cann said.

Instead, «biofuel researchers would like to breed plants with differing amounts of cellulose, hemicellulose or lignin.

To convert cellulose and hemicellulose to fuels, researchers must first break them down into individual sugars that microbes can eat.