| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for producing a tea extract increased in a content of glutamine acid relating to the delicious taste of tea, pronounced in delicious taste and body taste, and slightly having astringent taste or bitter taste, or odd taste or smell. <P>SOLUTION: This method for producing the tea extract comprises subjecting tea raw material to glutaminase action during extraction or after extraction so that theanine is efficiently converted into glutamic acid regardless of existence of an inhibitor such as catechin to obtain the extract pronounced in delicious taste and body taste and suitable for drink. The tea extract obtained through the glutaminase action pronounces strong delicious taste and is excellent in body taste, and has such effect as to impart the delicious taste to the food and drink to enhance the deliciousness thereof. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
