Sph Xing Ling Sci. & Tech. Pharmaceutical Co., Ltd.

Dandan Wang

Qi Gao

Jun Wang

Yafang Wei

Guoqin Zhu

Baozhong Zhu

Jinfeng Wang

Shuang Liang

Cunfa Li

Xueyi Zhang

Qin Shen

Xiangwei Zheng

The present disclosure provides a ginkgo biloba ketone ester capsule. The present disclosure further provides a method for preparing ginkgo biloba ketone ester capsule and use thereof. The present disclosure provides a ginkgo biloba ketone ester capsule and a preparation method thereof. Through optimized preparation operations and conditions, a high-quality ginkgo biloba ketone ester capsule can be obtained. Compared with the ginkgo biloba ketone ester capsule prepared by traditional methods, the ginkgo biloba ketone ester capsule of the present disclosure has stable quality and a low unqualified rate. The consistency of different batches of ginkgo biloba ketone ester capsules is good. In particular, the ginkgo biloba ketone ester capsule can effectively control ginkgolic acids, preventing the use of high-ginkgolic-acid raw materials in the ginkgo biloba ketone ester capsules, so as to effectively improve the safety of ginkgo biloba ketone ester capsules.

Ginkgo biloba leave extract capsule and preparation method therefor

The present disclosure provides aketone ester bulk drug. The present disclosure further provides a method for preparingketone ester bulk drug and use thereof. The present disclosure provides aketone ester and a preparation method thereof. Through optimized preparation operations and conditions, high-qualityketone ester bulk drug can be obtained. Compared with theketone ester prepared by traditional methods, theketone ester of the present disclosure has stable quality, low unqualified rate, and good consistency of different batches of bulk drugs.

Extract ofleaves and preparation method therefor

The present disclosure relates to the field of pharmacology, and in particular, to a preparation method of high-purity total ginkgo flavonol glycoside. The preparation method of high-purity total ginkgo flavonol glycoside includes: (1) mixingextract powder and a first alkaline solution, subjecting to dissolution and centrifugation to obtain a supernatant; (2) subjecting the supernatant to separation with an acid-polar coupled macroporous resin column and to purification with a polyamide column, to obtain high-purity total ginkgo flavonol glycoside. The purity of the total ginkgo flavonol glycoside prepared by the preparation method of high-purity total ginkgo flavonol glycoside according to the present disclosure is &#x2265;90%, and has good clinical application prospects; the preparation process does not require organic reagents such as petroleum ether and ethyl acetate, which is environmentally friendly; the transfer rate of the total flavonol glycoside is high.

Preparation method of high-purity total ginkgo flavonol glycoside and application of same

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Shanghai, China

Dandan Wang