Stable fat-soluble active ingredient composition, microcapsule and process of preparation and use thereof
US11013807B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 19, 2018 |
| Grant date | May 25, 2021 |
| Priority date | — |
| Expiry date | Jan 19, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/522
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a stable fat-soluble active ingredient composition, microcapsule and process for preparation and use thereof. The fat-soluble active ingredient composition comprises tocopherol, vitamin C palmitate and a fat-soluble active ingredient; wherein the weight ratio of tocopherol to vitamin C palmitate is 2-8:1, the weight ratio of a combination of tocopherol with vitamin C palmitate to the fat-soluble active ingredient is 7-13:100. The present invention obtains a novel antioxidant composition without hidden dangers for improving the stability of the fat-soluble active ingredient by screening a combination of antioxidants and adjusting their proportion and dose.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.