Food Engineering & Ingredients, 5/1/2008Preservatives are an essential ingredient for most foods and beverages. Despite the effectiveness of synthetic preservatives such as sodium benzoate, consumers are increasingly demanding all-natural ingredients. Natural preservatives are therefore growing in appeal.
Bee propolis, already widely known as a nutritional supplement, may represent an attractive option for food manufacturers seeking natural preservatives as a means to differentiate their products. However, differences in the composition of propolis collected by honey bees from varying regions will mean that suppliers will need to standardise their extracts...
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