Collagen Could Boost Nutrient Retention In Meats

POLAND - Injecting meatballs with collagen may boost the retention of key nutrients in the meat, suggests new research from Poland.
calendar icon 27 April 2007
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The study, by researchers at the Agricultural University of Poznan looked at the effect of collagen preparations as carriers of iodine salts in pork meatballs and report that the carriers

"The results of sensory evaluation and analyses of iodine and thiamine retention presented in this study indicate that collagen preparations (especially those with a high water binding capacity) may be used as alternative carriers of iodine salts in the production of processed meats," wrote authors Katazyna Waszkowiak and Krystyna Szymandera-Buszka.

Emerging evidence suggests that a widespread mild iodine deficiency exists in many countries. The iodine content of food is a reflection of the environment, and as locally produced food is naturally low in iodine, it is difficult to meet dietary requirements through the diet.

Addition of iodine salts to foods is seen as a way of improving intake of this nutrient, but processing and in particular cooking is known to detrimentally effect iodine content. Moreover, addition of such salts is also reported to increase the loss of the B vitamin thiamine from the product.

"Increasing the stability of potassium iodide during thermal processing and storage of enriched products would facilitate better control over the actual iodine content provided in this way to consumers," they added.

Waszkowiak and Szymandera-Buszka investigated the use of adding collagen fibre or collagen hydrolysate saturated with potassium iodide to fresh meat before cooking, and also the effects during cold- or freezer-storage

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