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Title:

Milk and dairy products as a source of antiviral compounds

Subject and Keywords:

milk proteins   lactoferrin   lysozyme   immunoglobulins   antiviral activity

Abstract:

Milk and dairy products are a source of numerous compounds exhibiting scientifically proven biological activity, including proteins, such as immunoglobulins, lactoferrin, lactoperoxidase and lysozyme. This activity is multifaceted, with antimicrobial (antibacterial, antiviral and antifungal) and immunomodulatory effects. The content of these proteins in the diet is one of the factors determining a normal immune response. Therefore, the aim of the study was to review the literature on this subject and present these properties. Lactoferrin has been found to be the milk protein exhibiting the highest antiviral activity. By binding and sequestering iron, it removes this element from the growth environment of microorganisms. Clinical trials have shown it to be effective in inhibiting infection with the hepatitis B and C viruses (HBV and HCV), herpes simplex virus 1 and 2, human immunodeficiency virus (HIV), human cytomegalovirus, human papilloma virus (HPV), enteroviruses, adenoviruses, influenza viruses, parainfluenza viruses, and rotaviruses, the most important aetiological agent of acute diarrhoeal disease, which is one of the major causes of mortality in infants and young children in developing countries. Furthermore, it has been found to act synergistically with antiviral drugs, including interferon, acyclovir and cidofovir, allowing the doses of drugs with high toxicity to be reduced. Moreover, peptides derived from lactoferrin, such as lactoferrampin and lactoferricin, are used in medicine as protection against viruses. The use of immunoglobulin-based supplements has also been shown to reduce the incidence of diarrhoea induced by rotaviruses in infants and children up to four years of age. In addition, lactoperoxidase inactivates HIV 1 and poliovirus. Recent years have seen a rapid increase in the number of viral infections, which of course is due to the virus SARS-CoV-2. It has been demonstrated that the immunopathology associated with the virus may be inhibited by certain milk proteins and probiotic strains of Lactobacillus and Bifidobacterium. Trials by the New Zealand pharmaceutical manufacturer Quantec showed that a protein complex containing lactoferrin and lactoperoxidase, obtained from fresh pasteurized cow milk, may protect human cells against COVID-19. The patented defence protein IDP exhibits anti-inflammatory, antioxidant and antimicrobial activity. To conclude, the content of these antiviral proteins in milk and dairy products was assessed in the study. Milk and dairy products are readily available, and the scientifically proven properties of milk proteins should encourage their inclusion in the diet.

Date issued:

2021

Resource Type:

text

Detailed Type:

chapter

Identifier:

doi:10.34616/142111   ISBN 978-83-66601-61-1 (druk)   ISBN 978-83-66601-62-8 (online)

Language:

eng

Abstract Language :

pol

Access rights:

The use of this material is allowed only with accordance of applicable rules of fair use or other exceptions provided by law, and any broader use requires the permission of the authorized entity

License:

Making materials available on the basis of the agreement with the owner of the property copyrights

Autor opisu:

WR U/PAdal