VITAMIN C AND ZINC SUSTAINED RELEASE TABLET, AND PREPARATION METHOD THEREFOR

Title:

VITAMIN C AND ZINC SUSTAINED RELEASE TABLET, AND PREPARATION METHOD THEREFOR

Document Type and Number:

WIPO Patent Application WO/2023/272694

Kind Code:

A1

Abstract:

The present invention relates to the field of vitamin C sustained release technology, and specifically relates to a vitamin C and zinc sustained release tablet and a preparation method therefor. Said tablet is made of a tablet-shaped drug core and a sustained release coating; the tablet-shaped drug core comprises 10-15 parts of vitamin C and 10-15 parts of a zinc ion-containing substance, with the remainder being water; and the sustained release coating comprises 20-80 parts of a main film-forming agent, 10-20 parts of pregelatinized starch, 5-15 parts of a toughening agent, 3-8 parts of an anti-sticking agent, 2-6 parts of a plasticizing agent, 1-5 parts of a coloring agent, and 1-5 parts of an auxiliary agent, with the remainder being ethanol. Vitamin C is mixed with zinc, zinc is supplemented when supplementing vitamin C, and smooth execution of various enzyme reactions within the body is facilitated; the present invention has good toughness and durability, and prolonged release at a uniform rate is achieved by means of the sustained release coating; zinc absorption requires active transport by a carrier protein on a cell membrane, so a prolonged duration of release can prevent temporary carrier saturation, and a prolonged duration of release and carrier transport improves absorption and utilization.

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Inventors:

JIA YI (CN)

Application Number:

PCT/CN2021/104052

Publication Date:

January 05, 2023

Filing Date:

July 01, 2021

Export Citation:

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Assignee:

SQUIRREL HEALTH PRODUCTS INC (CN)

International Classes:

A61K33/30; A61K9/30; A61K9/36; A61K31/375; A61K47/12; A61K47/38; A61K47/44; A61P15/00; A61P25/00; A61P31/12; A61P37/04

Foreign References:

CN112870222A	2021-06-01
CN106491565A	2017-03-15
CN112891314A	2021-06-04
CN110403912A	2019-11-05
CN110115384A	2019-08-13
CN109498588A	2019-03-22
CN110420193A	2019-11-08

Attorney, Agent or Firm:

BEIJING DONGLINGTONG PATENT AGENCY (GENERAL PARTNERSHIP) (CN)

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