Title: Multidose anaerobic indicator
Application Number: 91108195 Application Date: 1991.10.11
Publication Number: 1071461 Publication Date: 1993.04.28
Approval Pub. Date: Granted Pub. Date: 1999.11.10
International Classifi-cation: C12Q1/04
Applicant(s) Name: Ying Zhehong Address: 210016
Inventor(s) Name: Ying Danfang, Ying Yechao
Attorney & Agent:
Abstract:
     The indicator of this invention is constituted by colour-changing powdered sugar, pH adjusting agent, reducing agent, colorant, and shaping agent. The colour developing reaction is sensitive. It may be formed into liquor type, paper type or tablect. It may be used for control in cultivation of anaerobe, deoxidisation sealing and storage for examination of oxygen presence. It is a complete set of product for preservation of freshness of dual absorbing type.
Time: 5