Title:
METHOD FOR EXTRACTING DUCKWEED DORMANT BODY STARCH
Document Type and Number:
WIPO Patent Application WO/2022/151689
Kind Code:
A1
Abstract:
A method for extracting duckweed dormant body starch. The extraction method comprises the following steps: drying and rehydrating a duckweed dormant body to obtain a rehydrated dormant body; then soaking the rehydrated dormant body in a solvent, washing, and filtering to obtain a decolored duckweed dormant body; or pulping a fresh duckweed dormant body, soaking in a solvent, washing, and filtering to obtain decolored duckweed dormant body pulp; and then putting the decolored duckweed dormant body or the decolored duckweed dormant body pulp into a dispersion liquid, extracting for 5-60 min under the conditions that the temperature is 25-50ºC and the rotating speed is 6000-18000 rpm, filtering, centrifuging, washing and drying to obtain the duckweed dormant body starch. The dormant body starch extracted by the method is high in purity and extraction rate, the purity is 93% or above, the highest purity may be 96.54% or above, and the extraction rate is 85% or above.
More Like This:
| WO/1998/044002 | COMPOSITION CONTAINING FLOUR AND APPLICATION THEREOF FOR MAKING PAPER |
| WO/2018/053220 | FIBER WASHING METHOD AND SYSTEM |
| JPS5251038 | PROCESS FOR PREPARING FOSSIL STARCH |
Inventors:
HONG YAN (CN)
WANG XU (CN)
ZHOU QIWEI (CN)
JIN YUZHEN (CN)
GU ZHENGBIAO (CN)
CHENG LI (CN)
LI ZHAOFENG (CN)
LI CAIMING (CN)
BAN XIAOFENG (CN)
WANG XU (CN)
ZHOU QIWEI (CN)
JIN YUZHEN (CN)
GU ZHENGBIAO (CN)
CHENG LI (CN)
LI ZHAOFENG (CN)
LI CAIMING (CN)
BAN XIAOFENG (CN)
Application Number:
PCT/CN2021/107376
Publication Date:
July 21, 2022
Filing Date:
July 20, 2021
Export Citation:
Assignee:
UNIV JIANGNAN (CN)
International Classes:
C08B30/02; A61K8/73; A61Q5/02; C08B30/04; C08B31/12
Domestic Patent References:
| WO2017090632A1 | 2017-06-01 |
Foreign References:
| CN1473822A | 2004-02-11 | |||
| CN112794920A | 2021-05-14 | |||
| CN104974264A | 2015-10-14 | |||
| CN107548982A | 2018-01-09 |
Attorney, Agent or Firm:
HARBIN SHINEIP INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
Download PDF:
Previous Patent: VIDEO PREVIEW PLAYING METHOD AND APPARATUS
Next Patent: EASY-TO-ADJUST DISPLAY SUPPORT
Next Patent: EASY-TO-ADJUST DISPLAY SUPPORT