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Salt replacers in meat and fish products

Identification

Key words salt replacer, meat product, fish product
Latest version 2012/03/22
Completed by FRIP

How does it work?

Primary objective The aim of the technology or modified formulation is to decrease the salt content in meat and fish products while keeping the sensorial and cooking quality (water loss during thermal processing).
Working principle Review of salt replacers for meat products [1] gives brief overview of recently examinated cases. Transglutaminase enzyme combined with sodium caseinate, KCl and wheat fibre were tested as salt replacer in frankfurers. The greatest efficiency as predicted by hardness, springiness and chewiness together with water- and fat-binding properties (emulsion stability and cooking loss), was predicted for transglutaminase combined with sodium caseinate [2]. Beta-glucan [3] can replace part of the NaCl in high pressure treated chicken breast protein (treated at 40°C). KCl, MgCl2, CaCl2 combined with 0.4 % sodium tripolyphospate and tripotassium phospate salt replacers were tested on how they influence the water content, water holding capacity, emulsion stability and extractable salt soluble proteins of chicken meat emulsion [4]. Emulsions with KCl level up to 1% and MgCl2/CaCl2 up to 0.5 % along with phosphates can be used in product preparation with acceptable above mentioned properties. Salt replacers can have the antimicrobial effect in meat and meat products. The important consequence of salt replacers for microbial stability of cooked ham and white sauce (spoilage microorganism Lactobacillus sakei) was described in [5]. As salt replacers, CaCl2, MgCl2, KCl and MgSO4 were tested. Decrease of salt content by 28 % of the original value had no effect on ham stability (L. sakei as target microorganism). Differences in chloride content can be explained by the different chemical composition of the salts and granulometry.

Potassium Lactate, Glycine and Potassium chloride in Fermented Sausages and Dry-cured Pork Loin can be used as natrium chloride substitute [6]. Calcium ascorbate was tested as a potential partial substitute for NaCl in dry fermented sausages [7].

Images
Additional effects The important side effect of this technology is the problem of changed water activity and pH that can influence the food stability.

As a consequence of salt reduction, there is a risk of less microbial stability of meat and fish products.

Important process parameters heat treatment intensity, use high pressure pasteurisation
Important product parameters salt reduction rate, sensorial properties, heating properties (juice loss), combination of salt replacers, combination of salt reduction with some other operation – hurdle effect.

What can it be used for?

Products Meat and fish products (meat emulsions).
Operations Stabilisation, structure forming.
Solutions for short comings Advice how to reduce the salt content in meat and fish product and keep the quality and microbial stability at the same time.

What can it NOT be used for?

Products Not known.
Operations Simple decrease the salt content without any study of the changed microbial stability and shelf life.
Other limitations Changes in sensorial quality.
Risks or hazards Lowering of salt content opens the window for microbial growth. New challenge tests are recommended for given product before market release.

Implementation

Maturity New products with reduced salt content are already marketed but this area still needs research and development efforts mainly on the factory level.
Modularity /Implementation This technology does not need any special equipment (meat and fish products are formulated mostly in meat cutter or mixer).
Consumer aspects Good quality products with lower salt content are welcomed by consumers seeking for healthier products.
Legal aspects No regulation is valid, there are recommendations only (WHO) for salt reduction daily intake. Food safety regulations have to be re-considered for each novel products with aim whether new product fall or not within limits of products supporting the survival and growth of pathogens ( L. monocytogenes, E. coli O157:H7 etc.)
Environmental aspects Lowering salt content may increase energy demand on pasteurisation of meat products (longer holding times on temperature).

Further Information

Institutes University of Limerick, University of Hohenheim, Instituto de Ciencia y Tecnología de Alimentos y Nutrición, Catholic University College Ghent, Ghent University - NutriFOODchem, University of Alberta AFNS, AZTI Tecnalia
Companies
References [1] Weiss, J., Gibis, M., Schuh, V., Salminen, H., Advances in ingredient and processing systems for meat and meat products, (2010) Meat Science, 86 (1), pp. 196-213.

[2] Colmenero, F.J., Ayo, M.J., Carballo, J., Physicochemical properties of low sodium frankfurter with added walnut: Effect of transglutaminase combined with caseinate, KCl and dietary fibre as salt replacers, (2005) Meat Science, 69 (4), pp. 781-788.

[3] Omana, D.A., Plastow, G., Betti, M., The use of β-glucan as a partial salt replacer in high pressure processed chicken breast meat, (2011) Food Chemistry, 129, Issue 3, p768

[4] Singh, T., Sharma, D.P., Physico-chemical characteristics of chicken meat emulsion containing different salts, (2009) Journal of Food Science and Technology, 46 (1), pp. 58-61.

[5] Samapundo, S., Ampofo-Asiama, J., Anthierens, T., Xhaferi, R., Van Bree, I., Szczepaniak, S., Goemaere, O., Steen, L., Dhooge, M., Paelinck, H., Dewettinck, K., Devlieghere, F., Influence of NaCl reduction and replacement on the growth of Lactobacillus sakei in broth, cooked ham and white sauce, (2010) International Journal of Food Microbiology, 143 (1-2), pp. 9-16.

[6] Gou, P., Guerrero, L., Gelabert, J., Arnau, J., Potassium chloride, potassium lactate and glycine as sodium chloride substitutes in fermented sausages and in dry-cured pork loin, (1996) Meat Science, 42 (1), pp. 37-48

[7] Gimeno, O., Astiasarán, I., Bello, J., Calcium ascorbate as a potential partial substitute for NaCl in dry fermented sausages: Effect on colour, texture and hygienic quality at different concentrations, (2001) Meat Science, 57 (1), pp. 23-29.

heat treatment intensity, use [[high pressure processing|high pressure pasteurisationwarning.png"heat treatment intensity, use [[high pressure processing|high pressure pasteurisation" cannot be used as a page name in this wiki. salt reduction rate, sensorial properties, heating properties (juice loss), combination of salt replacers, combination of salt reduction with some other operation – hurdle effect. Mixers 2.2.2 chemical, biological stabilizing biotechnology Scopus: salt replacers provided 49 hits, refined with meat gave 15 hits, refined with fish gave 8 hits; selection of references is given below. Yeast hydrolysate: 1038 hits, refined by “replacer” gives no hits. WikiSysop :Template:Review document :Template:Review status



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Created by Milan123 on 6 April 2012, at 13:51