About My Health Careers Internship MedBlogs Contact us
Medindia LOGIN REGISTER
Advertisement

Add Vitamin A to Cattle Fodder to Prevent Milk Allergy

by Hannah Joy on February 7, 2018 at 7:15 PM
Font : A-A+

Add Vitamin A to Cattle Fodder to Prevent Milk Allergy

Vitamin A can be added to cattle fodder helps prevent cow's milk allergy in infants, reveals a new study.

A real milk allergy occurs in about three to five percent of European children and more rarely in adults. The disease is different from lactose intolerance, in which a lack of the enzyme lactase results in the inability to properly break down lactose, a sugar found in milk products.

Advertisement


In the case of a milk allergy, the immune system itself reacts with a distinct immune response against the milk proteins. Specialized immune cells are formed which produce antibodies against the milk proteins and so trigger a potentially much more dangerous allergic reaction.

A study of the interuniversity Messerli Research Institute of Vetmeduni Vienna, Meduni Vienna and the University of Vienna has now shown that the components of the cow's milk itself can help to prevent this reaction.
Advertisement

The key is that the milk protein beta-lactoglobulin, a relevant agent for allergic reactions, literally "pockets" a metabolite of vitamin A called retinoic acid. This, however, would require cows to receive a sufficient supply of this vitamin, for example, through an abundance of green fodder.

Loading with retinoic acid transforms a potential milk allergen into a milk tolerogen

If infants become allergic to cow's milk, their bodies produce so-called Th2 lymphocytes. These are specialized immune cells that produce antibodies to fight milk proteins as part of the immune system. One of the most important of these so-called milk allergens is the protein Bos d 5. Also known as beta-lactoglobulin, it is part of a family of proteins known as the lipocalins.

"This special protein family is characterized by molecular pockets that can take in small molecules like retinoic acid, which is a metabolite of vitamin A," explains first author Karin Hufnagl.

"Our study showed that an 'empty' milk protein supports the activation of Th2 lymphocytes and so initiates an allergic chain reaction," says Hufnagl. However, if it, so to speak, pockets the retinoic acid, then the immune cells react moderately, without an allergic immune reaction.

"An adequate loading of the milk protein could thus prevent that small children or even adults become sensitized and express a milk allergy," summarizes study leader Erika Jensen-Jarolim.

No artificial supplements: vitamin-A-enriched fodder during milk production is the key

Milk, and above all cow's milk, is an essential food product for most people. For allergy patients, however, it poses a risk. Besides causing a swelling of the mouth or the mucous membranes, other symptoms can include diarrhoea or aggravated atopic dermatitis, and, in rare cases, can even induce an allergic shock.

In addition, a cow's milk allergy carries the risk of other allergic diseases, such as atopic dermatitis or allergic asthma.

"A sufficient supply of vitamin A to the milk producers, i.e. the cows, could counteract this effect in which a harmless food protein is converted into a milk allergen," says Hufnagl. It is uncertain, however, whether the positive effect of natural vitamin A shown in the study can also be achieved through dietary supplements.

"Artificial supplementation of a diet with vitamins may not achieve the same effect as natural agents and will likely result in inadequate loading of the milk allergen. It is therefore necessary to supply vitamin A to an appropriate extent already during the keeping or feeding of the animals. This can be achieved, for example, by increasing the supply of green fodder. Corresponding follow-up studies must still be carried out, however," says Hufnagl.



Source: Eurekalert
Advertisement

Advertisement
News A-Z
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Advertisement
News Category
What's New on Medindia
Turmeric: Magic Ingredient to Keep you Healthy in Winter
Top 7 Benefits of Good Oral Hygiene
Healthy and Safer Thanksgiving 2021
View all

Medindia Newsletters Subscribe to our Free Newsletters!
Terms & Conditions and Privacy Policy.

More News on:
Calcium and Vitamin Supplements Allergy Pasteurization of milk Vitamin Supplements Vitamin C / Ascorbic acid Vitamin B6 Vitamin B9 Vitamin B-12 Types of Milk Vitamin-F 

Recommended Reading
Types of Food Allergies
If you are allergic to certain food items-Watch out for what you eat...
New Probiotic Formula can Treat Cow Milk Allergy in Infants
A new study shows that a probiotic formula given to infants with cow'sámilk allergy changes the ......
Study Reveals Reason Behind 'Cow Milk Allergy'
A new study has provided insight into what makes cow milk allergenic to children and in adults....
Children With Milk Allergy may be 'Allergic to School': Study
Choice in chalk may cause allergy in students who have a milk allergy, finds study published in A...
Allergy
An allergy is a hypersensitive disorder of immune system. Substances that often cause allergic react...
Calcium and Vitamin Supplements
Calcium and vitamin supplements are taken to provide the body with the ''required'' nutrients. Calci...
Pasteurization of Milk
Encyclopedia section of medindia gives a briefs account about Louis Pasteur - The Father Of Microbio...
Types of Milk
Encyclopedia section of medindia gives a general info about Welcome to the world of milk...
Vitamin B-12
Vitamin B-12 is also known as cobalamine or cyanocobalamine, owing to the presence of the metal, cob...
Vitamin B6
Vitamins play an equally important part in the synthesis of neurotransmitters. Neurotransmitters in ...
Vitamin B9
Vital info about vitamin B9, its molecular structure, dietary sources, beneficial aspects, symptoms ...
Vitamin C / Ascorbic acid
Vital info about vitamin C, its molecular structure, dietary sources, beneficial aspects, symptoms o...
Vitamin Supplements
Easy to understand info & tips with diagrams about vitamin supplements like vitamin C, B6, B9 & B12....
Vitamin-F
Essential fatty acids - omega 3 and omega 6 are sometimes referred to as Vitamin F. The body is not...

Disclaimer - All information and content on this site are for information and educational purposes only. The information should not be used for either diagnosis or treatment or both for any health related problem or disease. Always seek the advice of a qualified physician for medical diagnosis and treatment. Full Disclaimer

© All Rights Reserved 1997 - 2021

This site uses cookies to deliver our services. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Use