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: 3480
Washing powder has a history of more than 100 years. German Henkel invented washing powder for the first time in 1907 using borate and silicate as the main raw materials. Washing powder is an alkaline synthetic detergent. The main component of washing powder is anionic surfactant: sodium ... Views: 785
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: 766
Why does the cut surface of apples, pears, bananas or potatoes turn pale brown when we cut them? The reason is that some of the chemicals in the pulp components are oxidized to a light brown product, and this oxidation is catalyzed by the enzymes contained in the pulp itself. If we refrigerate ... Views: 724
Enzymes are a very important class of biocatalysts. Due to the action of the enzyme, the chemical reaction in the living body can be carried out efficiently and specifically under extremely mild conditions. The life processes of every creature on the earth, from small to large, proliferating, ... Views: 717
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: 699
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: 688
Enzyme is a protein molecule that takes on a particular shape which enables them to speed up biochemical reactions within the organisms, therefore behaving as a catalyst. It can also be used in industrial and medical contexts. Bread making, cheese making and beer brewing all depend on the ... Views: 684
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: 679
Whether you are an adult or a child, milk is one of the necessities for our life. The main reason is that milk has a high nutritional value. However, lactose intolerance occurs on many adults, and this symptom is more likely to occur as gastrointestinal function declines. Lactose intolerance ... Views: 603
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: 602
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: 598
Metabolomics is a discipline that studies the types and quantities of endogenous metabolites in organisms and their changing laws under internal and external factors. It is an important part of systems biology. In the late 1990s, Nicholson first proposed the concept of "metabonomics", which ... Views: 589
Do you know when enzymes begin to be produced in the human body? The answer is that they existed during the egg and sperm period. It is also because of the activity of the enzyme that the egg and sperm can be combined. Cell division must use enzyme as the medium, so that the egg and sperm can ... Views: 589
Enzyme refers to a kind of biocatalyst produced by living cells. It can efficiently catalyze plentiful biochemical reactions under very mild conditions, and promote the metabolism of the organism. There are at least more than 4,000 enzymes in our body. Breathing, Digestion, breathing, ... Views: 584
Lactase is a disaccharidase present on the surface of mammalian small intestinal mucosal microvilli, and many beneficial intestinal bacteria have the ability to produce lactase. Lactase deficiency is present in most of the world's population, affecting nearly 2/3 of the world's ... Views: 582
The nature of the enzyme
Metabolism is the basis for all living activities of organisms, and metabolism is inseparable from the catalysis of enzymes. Enzymes are catalytically active organisms produced by living cells. In essence, the vast majority of enzymes are proteins, and a few are RNA, ... Views: 566
Amylase (AMS), also known as 1,4-α-D-glucanohydrolase, is a general term for enzymes that hydrolyze starch and glycogen. The main function of amylase is to break down starch to produce simple sugars such as fructose, maltose, glucose and dextrin. Amylases are also used in food and beverage ... Views: 554
Protease formulations are without a doubt one of the most fully functional dietary supplements in terms of providing significant health benefits. Clinical studies have documented numerous effective benefits and support for people facing a variety of health challenges, ... Views: 542
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: 541
What is Proteomics?
Proteome refers to all the proteins expressed by a genome or a cell or tissue. Proteome is a dynamic concept. It is to explore the mode of action, functional mechanism, regulation and control of proteins as well as the mutual relationship within the protein population at the ... Views: 541
Bromelain is closely related to pineapple. Chemist Vicente Marcano first discovered bromelain in pineapple in 1891, and then another chemist, Russell Henry Chittenden, extracted bromelain from pineapple fruit, which was then called "proteolytic enzyme in pineapple juice". Scientists have found ... Views: 531
Carbohydrates are one of the basic substances that make up living organisms and play an important role in various life activities. At present, there is no living body that can exist without carbohydrates. Carbohydrates are not only the main source of cell energy, but also play an important role ... Views: 529
As biocatalysts, enzymes and general catalysts are the same in many respects. For example, the amount is small but the catalytic efficiency is high. Like general catalysts, enzymes can only change the speed of chemical reactions, not the equilibrium point of chemical reactions. The enzyme itself ... Views: 519
Enzymes are protein molecules that act as specific catalysts for chemical reactions. They 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 of ... Views: 519
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: 518
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: 516
The development of artificial synthetic enzymes is still in the initial stage, and significant progress has been made after several years of efforts. The artificial enzyme developed has a catalytic speed close to that of natural enzymes, which means that the speed of chemical reactions can be ... Views: 510
Protein, composed of amino acids, is one of the most complex organic compounds found in nature. It is broken down by hydrochloric acid and protease into amino acids that are easily absorbed by the intestinal tract of higher animals and the cell membrane of microbial organisms. Every animal, ... Views: 503
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: 500
Glucose oxidase (GOD) is a typical oxidoreductase found in honey and molds such as Penicillium notatum. It can highly specifically catalyze the β-D-glucose reaction to generate gluconic acid, which has the function of converting glucose and removing oxygen. Since GOD can quantitatively generate ... Views: 500
Probiotics are a type of beneficial bacteria in the gut, and are now mostly used for gut conditioning and health care. However, people now know less about probiotics, and it is difficult for many people to distinguish whether probiotics are good or bad, and they do not know anything about ... Views: 499
Restriction endonucleases are a class of enzymes that can recognize specific nucleotide sequences in double-stranded DNA molecules and cut phosphodiester bonds in DNA chains at specific positions. Different restriction endonucleases recognize different DNA sequences. They can cut DNA within the ... Views: 498
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: 497
Enzyme technology usually refers to chemical reaction technology mainly through the catalytic conversion of enzymes in a limited reaction vessel. The application of enzyme technology has been distributed to all walks of life, such as manufacturing, chemical industry, agricultural industry, ... Views: 497
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: 496
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: 492
Superoxide dismutase (SOD) is a biological enzyme that protects the body from oxidative damage and has significant protective effects on the body. It is widely distributed in animals, plants and microorganisms. SOD has the ability to scavenge superoxide free O2-in the body, and can better resist ... Views: 492
Chymotrypsin is a typical serine protease. As an endopeptidase that catalyzes the hydrolysis of protein peptide bonds, its realization form is mainly for the cleavage of the peptide bond formed by the carboxyl end of the aromatic amino acid-tryptophan, phenylalanine or tyrosine. Chymotrypsin is ... Views: 491
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: 490
Probiotics are active microorganisms that are beneficial to the human body. They promote nutrient absorption and maintain the health of the intestinal tract by regulating the balance of the intestinal flora. The human intestinal flora contains a large number of microorganisms, as many as ... Views: 490
People get all the nutrients and energy they need through food. A reasonable diet and adequate nutrition can improve the health of a generation, prevent a variety of diseases, prolong life and improve the physical fitness of the entire nation. Unreasonable diet, excessive or insufficient ... Views: 487
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: 486
Although there are thousands of enzymes in the human body, the greatest impact on human nutrition intake is digestive enzymes. The lack of sufficient digestive enzymes not only prevents food nutrients from being fully absorbed and utilized, but also affects the efficiency of muscle synthesis in ... Views: 484
Abzyme, also known as catalytic antibody, is a type of immunoglobulin with catalytic ability, that is, an antibody with catalytic activity prepared through a series of chemical and biotechnological methods. It not only has the corresponding immune activity, but also can catalyze a certain ... Views: 482
Enzyme engineering is an enzyme technology. With the rapid development of enzymology research, especially the promotion of enzyme application, the basic principle of enzymology is combined with chemical engineering, thus forming enzyme engineering. Enzyme engineering is a technology for the mass ... Views: 482
Alkaline protease is a serine proteolytic enzyme in endopeptidases, which can hydrolyze protein peptide bonds under alkaline conditions, and its optimal pH range is 9-11. It is mainly used in the enzyme detergent industry, and it is also widely used in industries such as tanning, silk, feed, ... Views: 480
An enzymatic reaction refers to a chemical reaction catalyzed by an enzyme as a catalyst. Factors that affect enzymatic reactions are temperature, pH, enzyme concentration, substrate concentration, inhibitors and activators. Understanding the chemical nature of enzyme preparations is of great ... Views: 480
Some substances can easily interact with the oxygen in the air when exposed to the air, causing chemical changes in the substance. This is the process of oxidation. Sun exposure, air pollution, radiation, etc. will cause the human skin to produce a large amount of superoxide free radicals, and ... Views: 478
You’ve probably heard the word “enzymes” before, but in such a vaguely scientific context, and you may not know exactly what they are or how they keep you healthy. As it turns out, there are over 70,000 known enzymes in the human body — an astounding number for sure. Enzymes provide the ... Views: 477