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Lactic Acid Bacteria And Bifidobacteria Current Progress In Advanced Research Pdf

lactic acid bacteria and bifidobacteria current progress in advanced research pdf

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Lactic acid bacteria LAB and bifidobacteria are amongst the most important groups of microorganisms used in the food industry. For example, LAB are used in the production of fermented products, such as yoghurts, cheese and pickled vegetables. Both LAB and bifidobacteria are also thought to have health-promoting abilities and many are used as probiotics for the prevention, alleviation and treatment of intestinal disorders in humans and animals.

Lactic acid bacteria

Lactic Acid Bacteria pp Cite as. Lactic acid bacteria LAB is a general term for a class of bacteria that use the metabolism of carbohydrates in the external environment to produce lactic acid. Lactic acid bacteria are widely distributed in nature and exist in a variety of habitats.

Extremely rich in biodiversity, they are closely related to human production and life and have important social and economic value. They are valuable biological resources for human beings. The utilization of lactic acid bacteria by human beings has a very long history. According to reliable archaeological evidence, it can be dated back to more than 10, years ago. In the long historical process, the utilization of lactic acid bacteria has made outstanding contributions to the development and practice of human society.

In the great development of human natural science and engineering science in the late nineteenth century and early twentieth century, along with the rapid development of biological science, microbiology, and other related disciplines, the science and technology of lactic acid bacteria also achieved unprecedented development.

On the one hand, in terms of basic science, lactic acid fermentation is adopted as a model metabolic method. Lactic acid bacteria are mode research organisms of basic biological sciences such as microbiology, biochemistry, genetics, and molecular biology, which have important theoretical research significance. On the other hand, in practical application, lactic acid bacteria have a wide range of application significance in industrial biomanufacturing, food production and processing, high-efficiency agriculture, high-efficiency livestock breeding, medical health, and other important fields closely related to human beings.

In recent years, the application of new technologies and new methods such as microbiome, proteomics, bioinformatics, and big data analysis technology has further revealed the great importance of lactic acid bacteria in related fields and attracted the researchers from different research fields. In Fig. It has become a major research and application development hotspot of modern science and application technology. Skip to main content. This service is more advanced with JavaScript available.

Advertisement Hide. Chapter First Online: 09 August This is a preview of subscription content, log in to check access. Lancet — CrossRef Google Scholar. Blondeau C Des fermentations. J Pharm — Google Scholar. Buchner E Cell-free fermentation.

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Lactic Acid Bacteria And Bifidobacteria Current Progress

Elaine E. Vaughan, Hans G. While lactic acid bacteria and bifidobacteria have been scientifically important for over a century, many of these are marketed today as probiotics and have become a valuable and rapidly expanding sector of the food market that is leading functional foods in many countries. In addition, their use as vectors for delivery of molecules with therapeutic value to the host via the intestinal tract is being studied. This review focuses on molecular approaches for the investigation of the diversity of lactic acid bacteria and bifidobacteria in the human intestine, as well as tracking of probiotic bacteria within this complex ecosystem.

Lactic Acid Bacteria pp Cite as. Lactic acid bacteria LAB is a general term for a class of bacteria that use the metabolism of carbohydrates in the external environment to produce lactic acid. Lactic acid bacteria are widely distributed in nature and exist in a variety of habitats. Extremely rich in biodiversity, they are closely related to human production and life and have important social and economic value. They are valuable biological resources for human beings.

Identification and classification of beneficial microbes is of the highest significance in food science and related industries. Conventional phenotypic approaches pose many challenges, and they may misidentify a target, limiting their use. Genotyping tools show comparatively better prospects, and they are widely used for distinguishing microorganisms. The techniques already employed in genotyping of lactic acid bacteria LAB are slightly different from one another, and each tool has its own advantages and disadvantages. This review paper compiles the comprehensive details of several fingerprinting tools that have been used for identifying and characterizing LAB at the species, sub-species, and strain levels.

lactic acid bacteria and bifidobacteria current progress in advanced research pdf

Lactic Acid Bacteria and Bifidobacteria. Current Progress in Advanced Research. Floch, Martin H., MD. Author Information.


Introduction

Lactobacillales are an order of gram-positive , low-GC , acid-tolerant, generally nonsporulating, nonrespiring , either rod-shaped bacilli or spherical cocci bacteria that share common metabolic and physiological characteristics. These bacteria, usually found in decomposing plants and milk products, produce lactic acid as the major metabolic end product of carbohydrate fermentation , giving them the common name lactic acid bacteria LAB. Production of lactic acid has linked LAB with food fermentations , as acidification inhibits the growth of spoilage agents.

Consumer interest in healthy lifestyle and health-promoting natural products is a major driving force for the increasing global demand of biofunctional dairy foods. A number of commercial sources sell synthetic formulations of bioactive substances for use as dietary supplements. However, the bioactive-enrichment of health-oriented foods by naturally occurring microorganisms during dairy fermentation is in increased demand. While participating in milk fermentation, lactic acid bacteria can be exploited in situ as microbial sources for naturally enriching dairy products with a broad range of bioactive components that may cover different health aspects.

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Lactic acid bacteria and bifidobacteria : current progress in advanced research

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Беккер остановился перед зеркалом и тяжело вздохнул. Обычно лучистые и ясные, сейчас его глаза казались усталыми, тусклыми. Сколько я уже тут кручусь. Однако считать ему не хотелось.

 - Он улыбнулся.  - Но на этот раз, - он вытянул левую руку так, чтобы она попала в камеру, и показал золотой ободок на безымянном пальце, - на этот раз у меня есть кольцо. ГЛАВА 116 - Читайте, мистер Беккер! - скомандовал Фонтейн. Джабба сидел весь потный, положив руки на клавиатуру.

Это произвело на дешифровщиков впечатление, но тем не менее Беккер продолжал переводить знаки вразнобой, а не в той последовательности, в какой они были расположены в тексте. - Это для вашей же безопасности, - объяснил Морант.  - Вам незачем знать, что вы переводите. Беккер засмеялся. И увидел, что никто даже не улыбнулся, когда текст был наконец расшифрован.

Molecular typing tools for identifying and characterizing lactic acid bacteria: a review

4 Comments

  1. Durandana G.

    20.04.2021 at 09:50
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    The purpose of this study was to establish the probiotic potential of lactic acid bacteria LAB starter cultures, Lb.

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  3. Harrison G.

    21.04.2021 at 04:55
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    Lactic Acid Bacteria and Bifidobacteria: Current Progress in Advanced Research (). H. B. Ghoddusi. [email protected] Search for Return to Figure. Previous FigureNext Figure. Caption. Download PDF.

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