Food for the day lifting improving agent

The present invention has an excellent bacteriostatic effect, and without adversely affecting the taste of the food, especially food date lifting improver suitable for meat prepared foods, as well as containing the food Date lifting improver food, and to provide a lifting method for improving the day of the food using the food Date lifting improver interest. That is, the present invention is an amino acid and food grade Date lifting improving agent characterized by containing trehalose and dextrin one or more, lifting improving the food day food using lifting improver, and food day a method for.