allergen detection: require spaces around - (dash) to consider that it is a separator
allergen detection: require spaces around - (dash) to consider that it is a separator

openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server