关键词: 葡萄糖酸钠, 抑菌效果, 饲料添加剂

Abstract: Sodium gluconate was produced through fermentation by Aspergillus niger. Fermentation parameter was detected and monitored to study the variation of the parameters of fermentation and physiological activities of Aspergillus niger. The fermentation process was optimized through the orthogonal test. The optimum conditions were as follows: 16.5 h seed; 15% inoculation quantity, pH 5.8. Antibacterial effect of sodium gluconate was verified, and the results showed that the amount of sodium gluconate as feed additive could be 0.5% to 0.7%, which provide a theoretical basis for the application of sodium gluconate in the feed industry.

Key words: sodium gluconate, antibacterial effect, feed additive