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:3363
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:696
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:693
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:643
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:618
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:611
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:606
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:587
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:569
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:512
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:511
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:506
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:494
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:487
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:476
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:473
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:459
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:441
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:435
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:433
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:432
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:431
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:429
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:421
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:418
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:417
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:415
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:411
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:411
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:410
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:408
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:408
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:403
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:402
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:397
Catalase is an antioxidant enzyme that is ubiquitous in all organisms. It is a tetramer (a type of protein) with four polypeptide chains, each containing more than 500 amino acids. It consists of four iron-based (porphyrin heme) reactive with hydrogen peroxide. Catalase is the power house of the ... Views:397
Nature of the enzyme
Scientifically, metabolism describes all of the biochemical processes that occur in the organisms every day. Metabolic activity is the basis for all life activities and is the guarantee for the continuation of life activities. It is inseparable from the catalytic action ... Views:389
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:385
Enzymes have endless life energy and can be said as the source of human vitality. Enzyme is a protein chemical that can carry the main energy required for each chemical reaction in the human body. Human cells contain about 1,300 kinds of enzymes, which combine with coenzymes to form about ... Views:382
The growth and reproduction of life, birth and death, and metabolism are all related to enzymes. Without the catalysis of enzymes, humans can't even carry out the most basic life activities, such as food digestion, oxygen breathing, etc., let alone other problems. In fact, almost all kinds of ... Views:382
With the continuous advancement of science and technology, the medical community's insight into health, sub-health and disease has also deepened, and a new concept of human disease-genetic disease has been proposed. Genetic damage is the source of all diseases. Because genes cannot be repaired, ... Views:381
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:378
Dairy products are an indispensable part of daily life for each of us. Strangely, we often hear that someone will have abdominal pain and diarrhea after drinking pure milk, and this reaction is definitely not caused by food spoilage.
There is such a disease called lactose intolerance. People ... Views:376
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:371
On a global scale, fungal infections are considered to be the main killer. They are hard to detect, and we can't diagnose serious fungal infections every day, and the chances of survival diminish. Despite a lot of public health efforts, many people who infect fungi in the blood die, even if they ... Views:371
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:371
Although there are thousands of enzymes in the human body, the most significant impact on human nutritional intake is digestive enzymes. The lack of sufficient active digestive enzymes not only prevents food nutrients from being fully absorbed, but also affects the efficiency of muscle synthesis ... Views:371
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:366
Enzymes are involved in the formation and composition of every cell in the body. Thus they also control the working of every organ and even the brain - the control center. They are involved in the breakdown, absorption, distribution and circulation of various nutrients entering the body. ... Views:364
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:364