	US 11,812,759 B2
	Production method for composition which contains non-polymer catechin
Kenji Yamawaki, Narita (JP); and Yukiteru Sugiyama, Narita (JP)
Assigned to KAO CORPORATION, Tokyo (JP)
Appl. No. 16/464,550
Filed by KAO CORPORATION, Tokyo (JP)
PCT Filed Oct. 30, 2017, PCT No. PCT/JP2017/039093 § 371(c)(1), (2) Date May 28, 2019, PCT Pub. No. WO2018/100947, PCT Pub. Date Jun. 7, 2018.
Claims priority of application No. 2016-231577 (JP), filed on Nov. 29, 2016.
Prior Publication US 2021/0106021 A1, Apr. 15, 2021
Int. Cl. A23F 3/18 (2006.01); A23F 3/12 (2006.01); A23F 3/38 (2006.01); A23F 3/20 (2006.01)

CPC A23F 3/38 (2013.01) [A23F 3/12 (2013.01); A23F 3/18 (2013.01); A23F 3/20 (2013.01)]

15 Claims

1. A production method for a composition comprising non-polymer catechins, the method comprising:

(A) bringing tea leaves into contact with a tea extract solution having a Brix of from 0.2% to 1.0% at from 83° C. to 100° C.; and

(B) extracting the tea leaves after step (A) with water at a temperature of from 50° C. to 100° C.