A detergent for cleaning iron monosulfide was formulated with surfactant, diamino-propadiene, citric and EDTA, and its cleaning mechanism was discussed.
Sucrose content in fruits had positive correlation with sorbitol.There were significant positive correlations between malate and citrate, and between quinate and shikimate in fruits.
With cellulose hydrolyte as raw material to ferment citric acid by Aspergillus niger at constant temperature and under oscillation temperature were discussed and compared.
This articl analyzes the current situation of fermentation tank for citric acid production in China and introduces the successfully developed spraying ring type aerophile fermentation tank.
To remove bound CoA from the protein, the protein solution was buffer exchanged into 10 mM citrate (pH 5.0)–1 mM TCEP by using an S1Y10 spiral cartridge (Millipore).
Moreover, the activities of isocitrate lyase and isocitrate dehydrogenase in the 0 P-treated cells were 1.48 and 0.75 times higher than in the control at day 8 of the treatment.