The World Health Organization (WHO) defines probiotics as live bacteria that can play a beneficial role in the health of consumers by ingesting an appropriate amount. This contains three characteristics of probiotics:
1. Probiotics are "live bacteria"
That is, probiotics can resist various ... Views: 323
Enzymes are essential proteins that catalyze biochemical reactions in living organisms. They play critical roles in various metabolic processes, such as digestion, respiration, and biosynthesis. Enzymes can be produced naturally in living cells or can be produced artificially through recombinant ... Views: 334
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: 527
The optimum pH of cellulase is generally 4.5 to 6.5, which acts on cellulose and products derived from cellulose. Microbial cellulase is of great significance in converting insoluble cellulose into glucose and destroying cell walls in fruit and vegetable juice to improve the yield of ... Views: 339
Glucosidase is a large class of enzymes in glycoside hydrolase (EC 3.2.1). It is named because it can hydrolyze the glucoside bond and release a molecule of glucose.
Glucosidase has a wide range of sources, and it exists in almost all organisms with cellular structure that use carbohydrates ... Views: 492
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: 543
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: 604
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: 553
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: 597
There are two types of enzymes produced by biological cells: one type of enzymes that are produced inside the cell and then secreted outside the cell for action, called extracellular enzymes. Most of these enzymes are hydrolases. For example, the two amylases used in enzymatic production of ... Views: 372
Introduction
In the world of enzymes, one remarkable protein stands out for its exceptional properties and diverse applications – Kex2 Protease from Saccharomyces cerevisiae, Recombinant. This cutting-edge enzyme has garnered significant attention in the biotechnology industry due to its ... Views: 300
In recent times, the escalating global concern surrounding plastic pollution has reached a critical juncture. Polyethylene terephthalate (PET), a ubiquitous plastic material extensively employed in the packaging industry, has led to a substantial accumulation of PET waste in our environment. At ... Views: 227
Enzyme engineering is a technology in which enzymes or microbial cells, animal and plant cells, organelles, etc. are placed in a certain biological reaction device, and the corresponding raw materials are converted into useful substances by using the biocatalytic function of enzymes and ... Views: 325
More than 30 years ago, when people were studying the host-specific restriction-modification phenomenon of bacteriophages, restriction endonucleases were discovered for the first time. Bacteria can resist the invasion of new viruses, and this method of limiting the survival of viruses can be ... Views: 377
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: 507
The pancreas is an organ deep in the abdomen of the human body. Although it is small in size, its physiological function and pathological changes are closely related to life. It mainly plays an important role in neutralizing stomach acid and digesting protein, fat and sugar. When performing ... Views: 316
The enzymes are the general term for important protein biochemical substances. Both plants and animals have enzymes. As early as more than 100 years ago, scientists have isolated a physiological enzyme, trypsin, from the digestive tract fluids of animals. In a test tube, this substance can break ... Views: 381
With the advent of more and more new enzyme preparations, medical enzymes will become a new bright spot in the international pharmaceutical market. There are only a few varieties of domestic medical enzymes such as multi-enzyme tablets. Enzyme is a general term for important protein and ... Views: 383
As an efficient biocatalyst, enzyme preparations are widely used in the production of food additives. In the 1940s, the microbial enzyme preparation industry became the main source of enzyme preparations due to its wide variety, fast growth, easy processing and purification, and relatively low ... Views: 452
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: 468
Enzymes are biocatalysts produced by living cells in organisms, most of which are usually globular proteins. These enzymes can effectively catalyze various biochemical reactions and promote the metabolism of organisms under normal human conditions. Life activities such as digestion, absorption, ... Views: 311
Enzymes are the fundamental building blocks of life, playing crucial roles in countless biological processes. One such remarkable enzyme is Native Porcine Prolidase, which has garnered significant attention in the scientific community due to its unique properties and diverse applications. In ... Views: 216
CRISPR/Cas9 gene editing technology has been widely used in many fields since its inception. Gene therapy developed using this technology has huge prospects in the medical and health fields. CRISPR/Cas9 technology enables gene-editing of the genome at specified sites, but a common worry about ... Views: 344
Ovalbumin, also known as albumin or OVA, is the most abundant protein found in egg white, accounting for approximately 54% of its total protein content. This versatile glycoprotein has captivated researchers and industry professionals alike due to its unique properties and wide-ranging ... Views: 150
Bile, a complex fluid produced by the liver and stored in the gallbladder, plays a crucial role in the digestion and absorption of fats, fat-soluble vitamins, and other essential nutrients. Ox bile extract powder, derived from the bile of oxen, is a natural supplement that has garnered ... Views: 232
Pectinase is an enzyme that decomposes pectin, which is the main component of plants. It is widely distributed in higher plants and microorganisms, and also in certain protozoa and insects, depending on the substrate it acts on. It can be divided into three categories. Two of them ... Views: 417
Industrialization has changed our past dietary habits of natural foods. At the same time, environmental pollution makes our food more or less contaminated. Hypertension, coronary heart disease, hyperlipidemia, diabetes, obesity and other cardiovascular diseases based on the typical symptoms of ... Views: 416
Once upon a time, breast milk was considered the best food for babies. Until now, many people still believe in this. However, even the most perfect food in nature can be contaminated by the earth's ecology destroyed by humans. The pollution and destruction of the ecological environment and the ... Views: 471
There are more than 50 kinds of microorganisms (including aerobic bacteria and anaerobic bacteria) living in the vagina of healthy women, and it is also a microbial ecology. Aerobic bacteria include: vaginal bacillus (dominant), corynebacterium, non-hemolytic streptococcus, enterococcus, ... Views: 425
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: 505
Probiotics are gaining substantial recognition within the scientific community due to their potential health benefits and role in maintaining homeostasis within the human gut microbiome. These live microorganisms, primarily bacteria and certain yeasts, can confer health benefits when ... Views: 161
Industrial enzymes refer to biological products with catalytic function prepared after enzymes are processed. There are more than 3,000 kinds of enzymes found in the world, of which less than 100 kinds of enzymes can be produced on a large scale. Industrial enzyme preparations have the ... Views: 334
Cancer, or malignant tumor, has become one of the most common fatal diseases. There are about 11 million new cancer cases in the world every year, and new cancer cases in China account for 20.3% each year. It has always been a major public enemy threatening health. The occurrence of cancer is ... Views: 337
Extracts are liquid or solid natural active ingredients extracted from animal or plant raw materials. Plant extract is a product made from plants. It is formed by physicochemical extraction and separation process according to the needs of the use of the extracted final product, and directed ... Views: 342
At the beginning of the 20th century, the enzymes in body fluids were measured clinically to diagnose diseases. For example, Wohlgemuth measured amylase (AMY) in urine as early as 1908 to diagnose acute pancreatitis. In the 1930s, alkaline phosphatase (ALP) was clinically tested for the ... Views: 403
Disinfection methods are divided into physical methods, chemical methods and biological methods. The use of biological enzymes as disinfectants should be one of the biological disinfection methods. Biological disinfection is the use of animals, plants, microorganisms and (or) their metabolites ... Views: 366
Multi-enzyme feed is a type of biological feed. This kind of feed is rich in a variety of feed enzymes, which can eliminate the anti-nutritional components in feed ingredients to a certain extent or play a supplementary role in animal endogenous enzymes. Therefore, it is beneficial to improve ... Views: 414
Lipase is widely used in the fields of food, chemical industry and biotechnology. The reaction system involves solvent system and water phase system. In order to improve the activity and stability of lipase in the reaction, various methods can be used to modify lipase.
Lipase can catalyze the ... Views: 337
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: 515
The biological function of restriction enzymes is derived from the defense of foreign DNA from invading cells. The restriction-modification system of bacteria makes the DNA bases of bacteria to be methylated and modified, so that they are not recognized and cut by their own restriction ... Views: 411
Ribonucleases (RNases) represent a critical class of enzymes with a principal role in the degradation of RNA, crucial for maintaining cellular homeostasis and regulating gene expression. By cleaving RNA molecules, RNases are integral to numerous biological processes, ranging from RNA maturation ... Views: 146
Probiotics and gut microbiota have been international research hotspots and social hot topics in recent years. In media reports, probiotics often have various health effects and can "treat multiple diseases"; however, some media reports that "probiotics are useless" or even "probiotics are ... Views: 324
Enzymes are vital to the human body. Without enzymes, cells in our body will not be able to carry out chemical reactions because the energy required is too grate. Enzymes reduce the activation energy response that needs to occur, thus allowing our body to perform a series of reactions at low ... Views: 387
In the intricate tapestry of molecular biology, Serratia marcescens nuclease (SMnuclease), Recombinant, stands as a shining beacon of precision and versatility. Derived from the bacterium Serratia marcescens, this remarkable enzyme has become an indispensable tool in the arsenal of researchers, ... Views: 264
Enzymes can be utilized in numerous fields, such as enzymes for diagnostics and enzymes for cancer treatment. Due to the action of the enzyme, the chemical reaction in the organism can be effectively carried out under very mild conditions, enabling the organism to digest food, absorb nutrients, ... Views: 403
1 Application in the wine industry
Malt is the main raw material for beer. Poor malt quality or large amounts of auxiliary materials such as barley and rice will cause insufficient activity of amylase, glucanase, and cellulase. As a result, insufficient saccharification and insufficient ... Views: 362
Enzyme preparations have penetrated into all aspects of our lives due to their high efficiency, safety, non-toxic side effects and low environmental impact. For example, the bread we eat, the juice and beverage we drink, the seasoning for cooking, and the paper documents we use can all use ... Views: 393
Serum enzyme tests have been used in clinical practice for a long time, such as increased amylase activity in serum and urine of patients with acute pancreatitis. In the 1930s, some scholars reported that the determination of serum lipase and alkaline phosphatase activities is helpful for the ... Views: 378
As a class of proteins with biocatalytic properties, an enzyme is a biocatalyst with a high degree of specificity and extremely high catalytic efficiency. The metabolism of all living things is carried out under the influence of various enzymes. Each organism produces multiple enzymes as well as ... Views: 412
In order to improve the quality of raw materials during the processing and production of Western-style pastry, some additives are often needed to assist the processing in the initial processing stage. However, for different taste needs, if the appropriate selection and dosage adjustment of these ... Views: 452