The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 18, 2025
Filed:
May. 12, 2022
Chenland Nutritionals, Inc., Irvine, CA (US);
Qingdao Chenland Biological Technology Co., Ltd., Qingdao, CN;
Shengcan Zou, Qingdao, CN;
Shanglong Wang, Qingdao, CN;
Xin Li, Qingdao, CN;
Lei Zong, Qingdao, CN;
Jiancheng Zong, Qingdao, CN;
Zengliang Zhang, Qingdao, CN;
QINGDAO CHENLAND HEALTH INDUSTRY GROUP CO., LTD., Qingdao, CN;
CHENLAND NUTRITIONALS, INC., Irvine, CA (US);
Abstract
A method for establishing fingerprint of traditional Chinese medicine compound or its preparation with improving cognition is disclosed. By weight, the traditional Chinese medicine compound is made from following raw materials: 1-20 parts of, 1-15 parts of, 1-30 parts of, 0.1-10 parts ofMa, 0.1-10 parts of, and 0.01-1 parts of curcumin. A chromatogram of a test sample solution is established by high performance liquid chromatography. Chromatographic conditions are as follows: a chromatographic column is octadecyl silane bonded silica gel chromatographic column. A column temperature is 25˜35 ° C. A flow rate is 0.9˜ 1.1 ml/min. Detection wavelengths are 210˜230 nm and 310˜330 nm respectively. A mobile phase A is acetonitrile and a mobile phase B is water. And gradient elution is carried out.