Abstract: According to the present invention, there are provided kneading-free Angelica keiskei tea leaves obtainable by a treatment comprising a step for roast-heating a dried material of Angelica keiskei; an Angelica keiskei tea beverage produced by using the kneading-free Angelica keiskei tea leaves; and a process for producing thereof. The Angelica keiskei tea leaves are preferably heated at a heating temperature of 100° C. to 150° C. in the roast-heating treatment, and the dried material of Angelica keiskei to be subjected to the roast-heating is preferably obtained by drying in a dried system after blanching and has a moisture content of 20% or less. Further, according to the present invention, there is also provided an Angelica keiskei chalcone function-formulated beverage comprising formulated Angelica keiskei chalcones that are components specific to Angelica keiskei.