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Title:
LUO HAN GUO (SIRAITIA GROSVENORII) CONDENSATE HAVING EFFICACIES OF PROTECTING AGAINST SMOG AND CLEARING LUNG HEAT, AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/027055
Kind Code:
A1
Abstract:
Disclosed are a Luo Han Guo (Siraitia grosvenorii) condensate and a preparation method therefor. The Luo Han Guo condensate comprises mogroside V, total mogrosides, glucose, fructose, sucrose, mannitol, and water. The preparation method comprises: squeezing Luo Han Guo fruits to obtain a juice, extracting the resulting residues by percolating with cold water to obtain a percolate, combining the juice and the percolate to obtain an extract, adding calcium hydroxide to the extract and adjusting to an alkaline pH to generate precipitates, allowing the extract to stand and then centrifuging the extract to obtain flocculation filtrate from centrifugal filtration, feeding carbon dioxide or air into the filtrate and adjusting to a neutral pH to generate precipitates, allowing the filtrate to stand and then centrifuging the filtrate to obtain a neutralized filtrate, subjecting the neutralized filtrate to nanofiltration and collecting a retentate to obtain a desalted solution, and then subjecting the desalted solution to concentration under reduced pressure.

Inventors:
LI WEI (CN)
HUANG HUAXUE (CN)
ZHAO GUANYU (CN)
LIU YONGSHENG (CN)
YE GUIFANG (CN)
CHEN JIANGLIN (CN)
HUANG JUN (CN)
HE JINJUN (CN)
Application Number:
PCT/CN2019/111853
Publication Date:
February 18, 2021
Filing Date:
October 18, 2019
Export Citation:
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Assignee:
HUNAN AIDALUN TECH CO LTD (CN)
International Classes:
A23L2/38; A23L27/10; A61K36/42; A61P11/10; A61P11/14; A61Q19/00
Foreign References:
CN109247561A2019-01-22
CN109247561A2019-01-22
CN104207127A2014-12-17
Attorney, Agent or Firm:
CHANGSHA XINGYAO PATENT OFFICE (GENERAL PARTNERSHIP) (CN)
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