Modern molecular science believes that the normal progress of biological activities depends on the balance and stability of biochemical reactions inside the body. This complex and ordered biochemical reaction requires enzymes to catalyze regulation to maintain normal metabolism in the ... Views: 199
The food industry is a large-scale application of enzyme preparations. As a highly efficient biocatalyst, it has been widely used in the production of food additives. In the 1940s, the microbial enzyme production developed rapidly, with its wide variety, fast growth and processing. The ... Views: 233
Enzymes are key protein molecules in living systems. Once synthesized, they are not usually converted to other kinds of molecules, and so are the substances taken in as fuel for digestive and respiratory processes (such as sugar, fat, and molecular oxygen). This is because enzymes are catalysts, ... Views: 208
Enzyme biotechnology and industrial enzyme production exist in our daily life. In many cases, commercial processes first utilize naturally occurring enzymes. However, this does not mean that the enzyme can be utilized as effectively as possible. With time, research and improved protein ... Views: 198
Temperature plays an important role in regulating the response in biology. As the temperature increases, the enzyme activity increases, which in turn increases the reaction rate. This also means that activity is reduced at cooler temperatures. All enzymes have a certain temperature range when ... Views: 2159
Lack of enzymes, especially lipase deficiency, may cause vascular problems such as cardiovascular disease and high blood pressure. If the lack of lipase occurs in certain parts of the body, it may also cause obesity. It has been reported that obese patients have less lipase in adipose tissue. ... Views: 149
Among the seven protease families, serine (eg, proteinase K), cysteine, threonine, proteases, aspartic proteases, glutamic proteases, metalloproteases, asparagine peptide lyases play a major catalytic role. Proteases break down long chain molecules of proteins into shorter fragments. They are ... Views: 228
As an essential substance for people's daily life, milk is a nutritious food that provides vitamins, minerals, protein, carbohydrates, as well as depending on the types of milk you drink, some may also have energy-rich fats. However, large amounts of nutrients need to be digested to release ... Views: 202
Cellulase is a protein that can decompose cellulose into oligosaccharides or monosaccharides. It is not a monomeric enzyme, but a synergistic multi-component enzyme system. And it is a complex enzyme composed mainly of exoglucanases.
Cellulase is currently widely utilized in paper, food, ... Views: 221
Enzymes are molecules that accelerate chemical reactions in biological organisms, including plants, animals, and bacteria. They are often referred to as catalysts because they initiate or accelerate these chemical reactions. In apples, various enzymes are involved in metabolic pathways leading ... Views: 179
Metabolism is the basis for all life activities of an organism, and metabolism cannot be achieved without the catalytic action of enzymes. They are catalytic organic substances produced by living cells. Essentially, the vast majority of enzymes are proteins, and a few are RNA, or ribonucleic ... Views: 205
As a highly efficient biocatalyst, enzymes can accelerate biochemical reactions in living organisms. They can also be extracted from cells and then used in a wide range of commercially important catalytic processes. For example, they play an important role in the production of sweeteners and in ... Views: 163
Enzymes are a type of protein present in all living things. They are secreted by the source and are biological catalysts, increasing the rate of chemical reactions without undergoing any permanent change themselves. They continue to work as long as the “substrate” is present.
Enzymes are ... Views: 188
Enzyme is a kind of vital protein that takes charge of many reactions in the organism. Non-protein molecules called coenzymes also help enzymes work. Coenzymes, usually derived from vitamins, are much smaller than the enzymes themselves but equally important. From accelerating digestion to ... Views: 172
Enzymes are molecules, especially proteins that help to accelerate biochemical reactions by interacting with components (reactants and products) without permanently changing them. This promotion process is called catalysis, and accordingly, the enzyme itself is recognized as a catalyst. Like ... Views: 245
We are very familiar with amylase, no matter in biochemistry, biochemical inspection, or internal medicine, we cannot avoid amylase. Amylase testing is also one of the most commonly used testing items in clinical laboratories.
The discovery of amylase can be traced back to the first ... Views: 116
Biosensors made with enzymes are becoming more and more widely used in environmental monitoring. Enzymes are playing an important role in the process of waste treatment and recycling. Using genetic engineering and protein engineering to expand the metabolic pathways of enzymes is the treatment ... Views: 159
The pulp and paper industry is one of the important pillar industries of the national economy, but the current pulp and paper industry is faced with the shortage of raw materials, energy shortages, and serious pollution, which restrict its development.
In recent years, people have ... Views: 140
Feed complex enzymes are a class of hydrolytic enzymes, including amylase, protease, lipase, phytase, cellulase, xylanase, pectinase, β-glucanase, mannanase, etc. There are no enzymes that decompose phytate, cellulose, hemicellulose, pectin and other non-starch polysaccharides in the digestive ... Views: 158
The role of enzymes in the pharmaceutical industry is mainly to catalyze the conversion of precursor substances into drugs. In addition, immobilized enzyme membranes or enzyme tubes are also widely used in the parameter detection and measurement of pharmaceutical processes, especially ... Views: 220
In the past 20 years, various enzyme preparations have been used in meat processing. The common points of enzyme preparations are: strong professionalism and can be carried out under mild conditions; low cost and energy consumption in processing; significant changes in meat properties and meat ... Views: 206
With the rapid development of the dairy cattle breeding industry and the dairy industry, the output of raw milk and dairy products has increased significantly, the variety of dairy products has been greatly enriched, and the quality has also made a qualitative leap. High and new technologies ... Views: 187
With the development of biotechnology in the modern information age, humans have conducted more and more in-depth research and development on enzymes. Correspondingly, the application of enzymes in medicine has become more and more extensive. Through a review of recent research papers on the ... Views: 17
Immobilized enzyme is a new technology developed in the 1960s. The so-called immobilized enzyme refers to an enzyme that has a catalytic effect in a certain space and can be used repeatedly and continuously. Enzyme-catalyzed reactions are usually carried out in aqueous solutions, while ... Views: 196
Enzymes have unparalleled advantages over ordinary catalysts and have been widely used in food, medicine, textile, detergent and cosmetics industries. Most of these applications are performed in aqueous solution, but many valuable products are insoluble in water, and there are many useful ... Views: 226
Enzymes have unparalleled advantages over ordinary catalysts and have been widely used in food, medicine, textile, detergent and cosmetics industries. Most of these applications are performed in aqueous solution, but many valuable products are insoluble in water, and there are many useful ... Views: 114
Pectinase is a general term for a group of enzymes that can catalyze the degradation of pectin substances. Pectin substances are usually present in higher plants, such as vegetables, fruits, corn, soybeans, etc., and are one of the components of non-starch polysaccharides. Pectinase degrading ... Views: 211
Meat plays a very important role in human life, and we consume a variety of meat every day. With the improvement of living standards, people's dietary requirements are no longer just satisfied with fullness, but the requirements for the taste, quality and nutritional value of meat products have ... Views: 299
There are several major uses of enzyme preparations.
Application in dairy products
Lactose is a disaccharide found in mammalian milk and has low sweetness and solubility. Dietary lactose can improve the body's absorption of Ca, P, Mg and other essential trace elements, but it cannot be ... Views: 236
Enzymes are protein molecules that act as specific catalysts for chemical reactions. Researchers have made significant contributions to the traditional and modern chemical industries by improving existing processes. Representative industrial applications of enzymes are concentrated in the fields ... Views: 185
Biology needs a metabolic reaction at all times. This is because a special type of catalyst-enzymes are widely present in the body. It can effectively reduce the activation energy of each molecule participating in a chemical reaction, enabling the organism to complete various chemical reactions ... Views: 183
In order to carry out various life activities, the organism must obtain energy and produce new substances needed for its growth. By ingesting nutrients, organisms produce energy through decomposition; or produce new substances through synthesis. In organisms, nutrition molecules participate in ... Views: 161
The essence of most enzymes is protein, and only a few enzymes are RNA, so this article only discusses enzymes composed of proteins. These enzymes, like other proteins, are composed of amino acids and have primary, secondary, tertiary, and quaternary structures. Enzymes will also be denatured ... Views: 203
Cellular activity carrying out in the living body depends on different chemical reactions. If there is no enzyme, then the body's metabolism and other life-related reactions can only be carried out at an extremely slow rate. Under such circumstances, life activities cannot be maintained. ... Views: 210
The intestine is the human body's largest digestive and immune organ, responsible for 99% of nutrient absorption and 70% of immune work. The amount of food consumed in a lifetime is equivalent to 12 elephants. The intestine has more than 400 kinds of 10 trillion bacteria, diligently maintaining ... Views: 70
Cellulose accounts for about 1/2 of the total dry weight of plants. It is the oldest and most abundant natural polymer material on earth, and it is the inexhaustible and most precious natural renewable resource for mankind. However, due to the high degree of polymerization of plant fiber and the ... Views: 109
With the improvement of living conditions, the flavor, taste and nutrition of food have higher standards, and the food processing industry is developing in the direction of safer and higher quality. Green, safe and efficient enzyme preparations are good substitutes for chemical agents in ... Views: 175
Since enzymes have the advantages of reaction specificity, high catalytic efficiency and mild reaction conditions, they have been increasingly used in industry, agriculture, medicine and environmental protection. But the overall has not yet reached the level of large-scale application, the main ... Views: 142
Currently, the ongoing COVID-19 epidemic has led to an unprecedented shortage of disinfectants, hand sanitizers and detergents, especially in the United States and Europe. Hand sanitizer is regarded as an auxiliary product of hand soap and liquid. Since no vaccines or antiviral drugs have been ... Views: 141
Lysozyme is a powerful bactericidal substance discovered in nasal mucus by British bacteriologist Fenin in 1929, and was subsequently named lysozyme.
Lysozyme, also known as muramidase or glycoside hydrolase or N-acetyl muramidyl glycanhydrolase, is a hydrolase that specifically acts on the ... Views: 17
Pepsin is one of the main protein degradation or proteolytic enzymes in the digestive system. During the digestion process, pepsin acts on complex dietary proteins and is broken down into peptides and amino acids that are easily absorbed by the intestinal wall. It can be used as an adjuvant ... Views: 142
The gastrointestinal tract represents the most extensive interface between the human organism and the external environment. The human gastrointestinal tract is settled by a complex microbial ecosystem, in which microbiota, nutrients and host cells interact extensively. This is a crucial process ... Views: 111
It is generally believed that prebiotics provide "food" to probiotics, which can be decomposed and absorbed by beneficial bacteria in the intestines, and promote the growth and reproduction of beneficial bacteria. The familiar bifidus factor is a prebiotic that promotes the growth of ... Views: 111
The concept of probiotics originated in Greek, meaning "good for life". As early as in ancient times, humans’ ordinary diets are already rich in lactic acid fermentation foods. Probiotic products refer to live bacteria preparations and their metabolic products that promote the host's ... Views: 131
What is the role of protease?
One of the main functions of proteases is to process proteins. Proteins in the body are difficult to digest and do not contain enzymes. Other types of proteases are involved in regulating the activities of blood clotting cells. These enzymes are also called ... Views: 108
In 1752, the French physiologist Leoma discovered that the meat stuffed in the metal tube had dissolved, but he did not know why.
In 1785, the Italian scientist Lazzalo Sparanzoni put the pieces of meat in an empty metal tube with holes to feed the eagle. Soon after, the metal tube was taken ... Views: 168
1. Trypsin
Trypsin is the main protease in the pancreas and is the most thoroughly studied of all proteases. Mainly because it is not only widely used in the food industry, it is also an important digestive enzyme. It is white to light brownish yellow amorphous powder, soluble in water, almost ... Views: 17
Source of xylanase
Xylanases are widely distributed in nature and can be obtained from animals, plants and microorganisms. Xylanase is present in marine and terrestrial bacteria, marine algae, fungi, yeast, rumen and ruminant bacteria, snails, crustaceans, land plant tissues and various ... Views: 199
Catalysis
Enzymes are a class of biological catalysts. They govern many catalytic processes such as metabolism, nutrition, and energy conversion of organisms. Most of the reactions closely related to life processes are enzyme-catalyzed reactions.
These properties of the enzyme enable the ... Views: 168
At the beginning of this century, clinics began to measure enzymes in body fluids to diagnose diseases. For example, Wohlgemuth determined urine amylase (AMY) as early as 1908 to diagnose acute pancreatitis. In the 1930s, alkaline phosphatase (ALP) was clinically used to diagnose skeletal ... Views: 132