Zinc Lactate

Zinc lactate, the zinc salt of lactic acid is mainly used in dental care products like toothpaste or mouthwash and as a zinc source in food and beverage products.

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CAS Registry Number
[16039-53-5]
Chemical Formula
(C₃H₅O₃)₂Zn · 2H₂O

Introduction

Zinc lactate dihydrate is produced by complete neutralisation of lactic acid with a high purity zinc source and subsequent crystallisation.

Due to its antimicrobial properties and its ability to reduce or inhibit the formation of dental plaque and tartar, zinc lactate is mainly used in dental care products like toothpaste or mouthwash. As an organic mineral, it is preferred over inorganic sources because of its superior bioavailability, physiological compatibility and nearly neutral taste compared to other zinc salts.

Zinc lactate is supplied as a white to almost white fine powder. It is nearly odourless and highly soluble.

Functions

This ingredient offers you the following excellent functions.

  • Anti-malodour (oral care)​
  • Anti-plaque (oral care)​
  • Anti-tartar (oral care)​
  • Bioavailability/improved mineral absorption​
  • Deodorising​
  • Mineral fortification​
  • Preservation​
  • Reduction of tooth demineralisation (oral care)​

Specifications

Zinc lactate is currently not listed in European or US Pharmacopeias. Jungbunzlauer Zinc lactate specification is reflecting the requirements for food and oral care usages.

The following granulation types are available:

  • Fine powder

Properties

  • White crystalline powder
  • Nearly odourless
  • Neutral taste
  • Mineral content of 22%
  • Soluble in water
  • Highly bioavailable
  • Antibacterial
  • Anti-inflammatory
  • Allergen free

Legal aspects

In Europe, zinc lactate is on the positive list of Regulation (EC) No. 1925/2006 on food fortification. It is also listed in Directive 2002/46/EC of the European Parliament and the Council relating to food supplements as vitamins and mineral substances which may be used in the manufacture of food supplements.

Furthermore, it is listed as mineral salt in the EU Regulation (EC) No. 609/2013 on food intended for infants and young children, food for special medical purposes, and total diet replacement for weight control and as mineral salt in the EU Directive (EC) No. 2006/141 on infant formulae and No. 2006/125 on foods for infants and young children.

Zinc lactate is listed as ‘watersoluble zinc compounds’ in annex III of the Cosmetic Directive, with a maximum authorised concentration in the finished cosmetic product of 1% calculated as zinc.

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