sentences:  In order for manufacturers to carry their Live and Active Culture seal, refrigerated yogurt products must contain at least 100 million cultures per gram at the time of manufacture, and frozen yogurt products must contain 10 million cultures per gram at the time of manufacture.This level was based on a survey of leading research scientists involved in clinical studies of the health attributes associated with live and active culture yogurt.Pinkberry appears to have altered its dessert recipe and has now earned the right to call its product real yogurt.