Patent ID: 11945954
Assignee: SHENYANG AGRICULTURAL UNIVERSITY
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A method for preparing high stability a liquid blueberry anthocyanin, comprising the following processing steps:
step 1, adding graphene oxide and chitosan into an (2-n-morpholine) ethanesulfonic acid (MES) buffer solution at room temperature and mixing evenly to form a mixture, and adding (1-(3-dimethylaminopropyl)-3-ethylcarbondiimide hydrochloride (EDC) and (N-hydroxysuccinmide (NHS) in the first mixture to obtain a first solution;
step 2, adding dry blueberry anthocyanin powder into the first solution, adjusting pH to 4.5 to 5.0 and mixing evenly, obtaining a second solution; and
step 3, treating the second solution under 350 to 420 MPa at 2 to 4° C. to obtain the liquid blueberry anthocyanins.