When it comes to good food; time, care and attention can make all the difference. That's the key to Sainsbury's new brand - Taste the Difference - which is set to be the biggest food brand launch in UK history.Customer research has consistently shown that quality is the prime concern of customers when shopping for food. Many people believe that much of the food we eat is produced as quickly and as cheaply as possible, and this can prevent it from reaching its best.It is this customer understanding which has resulted in Sainsbury's launch of