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:
Dec. 23, 2025
Filed:
Mar. 04, 2022
Jiangnan University, Wuxi, CN;
Yan Hong, Wuxi, CN;
Xu Wang, Wuxi, CN;
Zhengbiao Gu, Wuxi, CN;
Yuzhen Jin, Wuxi, CN;
Li Cheng, Wuxi, CN;
Zhaofeng Li, Wuxi, CN;
Caiming Li, Wuxi, CN;
Xiaofeng Ban, Wuxi, CN;
Qiwei Zhou, Wuxi, CN;
Jiangnan University, Wuxi, CN;
Abstract
The present disclosure discloses a method for extracting a duckweed turion starch, and belongs to the technical field of agriculture and food. The extraction method of the present disclosure includes the following steps: conducting drying and rehydration on a duckweed turion to obtain a rehydrated turion, soaking the rehydrated turion in a solvent, and then conducting washing and filtration to obtain a decolorized duckweed turion; or conducting beating on a fresh duckweed turion, soaking the fresh duckweed turion in a solvent, and then conducting washing and filtration to obtain a decolorized duckweed turion slurry; and putting the decolorized duckweed turion or the decolorized duckweed turion slurry in a dispersion liquid for extraction at a rotation speed of 6,000-18,000 rpm at 25-50° C. for 5-60 min, and then conducting filtration, centrifugation, washing and drying to obtain the duckweed turion starch. The turion starch obtained by using the method of the present disclosure has a high purity and a high extraction rate. The purity reaches 93% or above with the highest purity of 96.54% or above. The extraction rate reaches 85% or above.