The efficiency of water soluable purple pigment of sweet potato as DPPH radical scavenger;

This article reports the extraction processing and stability of the natural purple pigment from eggplant.

Extraction method and extraction conditions on the purple pigment from purple Dioscorea alata L were studied.

Extraction Of Natural Edible Purpurin And Blue Pigment;

A spectrophotometric method for the determination of clarithromycin has been developed based on the charge transfer reaction between clarithromycin as donor and purpurin as acceptor in alchol medium.

A spectrophotometric method for the determination of roxithromycin has been developed based on the charge transfer reaction between roxithromycin as donor and purpurin as acceptor.

This paper researches on the extraction of the dandelion Red heart turnip pigment and its Physi-Chemical property.

The functional ingredients of pigment, soluble dietary fiber (SDF) and glycoprotein from sweet potato have been studied in this paper.

Study on the extraction of purplish red pigment from Solanum nigrum with resins;

Extraction and characteristic of purplish red pigment from Solanum nigrum;

Ultrasonic wave extraction and stability of the natural alkannin;

In order to provide a basis for the research and development of gromwell,the studies on domestic extraction of alkannin was reviewed in briefly.

Stability of shikonin and its performance of dyeing on wool fabrics;

They adsorb more Shikonin and less sugar.

The effect of brassinolide (BR) on shikonin formation in Onosma paniculatum cell suspension culture system was studied.