The production conditions of oligosaccharides including enzymolysis time, substrate concentration and dose of enzyme (Rapidase and pectase powder), which will affect the degradation efficiency of haw pectin and dynamic production of oligosaccharides, were investigated in this work.

Passing to measure the rich iron hawthorn jelly flexibility,cohesion and etc.

The organic acids in Hawthorn fruits from Henan Huixian and Tongbai Mountain were determined by gas chromatography-mass spectrometry method and 23 organic acids were identified.

A new method for the total analysis of the polybasic acids and higher fatty acids in hawthorn fruit by gaschromatography-mass spectrometry(GC-MS)was developed.

Study on the technology condition of making hawthorn fruit vinegar by one-step fermentation;

To observe the main pharmacological action of the big fruit hawthorn(BFH) on mice s gastrointestine.

Extraction of essential from haw and its component analysis;