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:
Jan. 07, 2025
Filed:
Jun. 05, 2020
Zhejiang University, Zhejiang, CN;
Weijun Zhou, Zhejiang, CN;
Luyang Hu, Zhejiang, CN;
Chong Yang, Zhejiang, CN;
Ling Xu, Zhejiang, CN;
Na Zhang, Zhejiang, CN;
Jiansu Wang, Zhejiang, CN;
Jinwen Zhu, Zhejiang, CN;
Quanjiang Bai, Zhejiang, CN;
Xiaopeng Yun, Zhejiang, CN;
Abstract
The patent discloses a method for efficiently collecting and purifying() germination stimulants using aeroponic system and solid-phase extraction (SPE), including the following steps: (1) sunflower seeds germination, then planting sunflower seedlings in aeroponic device, and cultivating the sunflower seedlings in the aeroponic system; at the aeroponic stage, phosphorus-containing aeroponic nutrient solution is first used to cultivate the sunflower seedlings for 20 to 25 days, and phosphorus-free aeroponic nutrient solution is then used instead to subject the sunflower seedlings to starvation cultivation for 5 to 7 days; and (2) passing all nutrient solutions in the aeroponic device through an SPE cartridge for SPE to extractgermination stimulants. The obtainedgermination stimulants are diversified, and have high concentration and purity.