The inhibitory effects of heptyl paraben on 3 kinds of bacteria, 2 kinds of yeasts and 2 kinds of moulds were studied by means of spectrophotometric and weighing thalli.

Heptyl paraben has the advantages such as low dosage, high effect and low toxicit.

Comparison of the addition of paraben and sodium benzoate in sauce/vinegar;

Research development on the synthesis of paraben

The usage of complex paraben as antiseptic has the advantage of extensive pH and high restrain microbe ability in the food field .

Comparison on anticorrosive Nipagin esters in soy sauce and sauce;

Preparation of nano solid superacid SO_4~(2-)/Fe_2O_3 used as a catalyst to synthesize nipagin esters;

It showed that this catalyst was reused and regenerated,and excellent one for the synthesis of Nipagin esters.

This paper introduces the properties, applications and syntheses of Nipagin ester, and its production situation at home and abroad.

Synthesis of butyl paraben catalyzed by stannic chloride;

Synthesis of butyl paraben catalyzed by modified strong acid cation ion exchange resin by cerium sulfate;

Synthesis of butyl paraben catalyzed by gallium sulfate;

The preparetion and identification of inclusion compounds of β-cyclodextrin with propylparaben;