Tumbling action and time of tumbling both increased the migration of individual cure components of sodium chloride, dextrose, sodium nitrite as well as the average brine (average migration of these components) in porcine tissue. In most instances the difference became apparent after 3 or 4 h (tumbled 10 min/h) of treatment and remained significantly (P < .05) different during the remainder of the 18-h treatment period.