prov:value
| - Examples of preservatives are benzoic acid, biguanide, polyamino propyl biguanide, cetyl pyridinium chloride, phenol, methylparaben, metal proteins (see Horman, H. in Sigel, H. Metal Ions in Biological Systems Vol 3 New York Marcel and Dekker pg 105, 1974 and Jodaikin, A. and Goldstein, S. J. Dent 16:140-144, (1988)), and sodium bicarbonate, sorbic acid, thymol and examples of sterilizing agents a
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