Formation of gluconic acid at low pH-values by free and immobilized Aspergillus niger cells during citric acid fermentation

1982 ◽  
Vol 15 (2) ◽  
pp. 88-92 ◽  
Author(s):  
M. Heinrich ◽  
H. J. Rehm
Keyword(s):  
Citric Acid ◽  
Aspergillus Niger ◽  
Gluconic Acid ◽  
Low Ph ◽  
Acid Fermentation ◽  
Citric Acid Fermentation ◽  
Ph Values

Citric Acid Fermentation by Aspergillus niger NG-110 in Shake Flask

2003 ◽  
Vol 3 (3) ◽  
pp. 360-370 ◽  
Author(s):  
Rubina Mazhar ◽  
Sikander Ali . ◽  
Ikram-ul-haq . ◽  
Abdul Waheed .
Keyword(s):  
Citric Acid ◽  
Aspergillus Niger ◽  
Shake Flask ◽  
Acid Fermentation ◽  
Citric Acid Fermentation

Rheological Studies During Submerged Citric Acid Fermentation by Aspergillus niger in Stirred Fermentor Using Apple Pomace Ultrafiltration Sludge

2012 ◽  
Vol 6 (5) ◽  
pp. 1240-1250 ◽  
Author(s):  
Gurpreet Singh Dhillon ◽  
Satinder Kaur Brar ◽  
Surinder Kaur ◽  
Mausam Verma
Keyword(s):  
Citric Acid ◽  
Aspergillus Niger ◽  
Apple Pomace ◽  
Acid Fermentation ◽  
Citric Acid Fermentation

SUBMERGED CITRIC ACID FERMENTATION OF FERROCYANIDE-TREATED BEET MOLASSES: MORPHOLOGY OF PELLETS OF ASPERGILLUS NIGER

1962 ◽  
Vol 8 (1) ◽  
pp. 133-136 ◽  
Author(s):  
D. S. Clark
Keyword(s):  
Citric Acid ◽  
Aspergillus Niger ◽  
Internal Structure ◽  
Volume Changes ◽  
Acid Fermentation ◽  
Fermentation Conditions ◽  
Uniform Consistency ◽  
Beet Molasses ◽  
Citric Acid Fermentation

A study of the internal structure of Aspergillus niger pellets, grown during submerged citric acid fermentation of ferrocyanide-treated beet molasses, was made using botanical microtechniques. Under optimum fermentation conditions, each pellet developed as a round mass of mycelium of uniform consistency during the first 24 hours of the fermentation (mash sparged with air); subsequently (mash sparged with oxygen), a dense crust of growth formed at the periphery of the pellet and autolysis of cells at the center began. At the end of fermentation (140 hours), the pellet consisted of a shell of mycelium occupying less than 50% of the pellet volume. Changes in fermentation conditions were reflected in the density of peripheral growth and in the rate and extent of autolysis.

scholarly journals Effect of Trace Elements on Citric Acid Fermentation by Aspergillus niger

1970 ◽  
Vol 20 (6) ◽  
pp. 888-892 ◽  
Author(s):  
A. Sánchez-Marroquín ◽  
R. Carreño ◽  
M. Ledezma
Keyword(s):  
Trace Elements ◽  
Citric Acid ◽  
Aspergillus Niger ◽  
Acid Fermentation ◽  
Citric Acid Fermentation

Time Course Profile of Citric Acid Fermentation by Aspergillus niger and its Kinetic Relations

2002 ◽  
Vol 2 (11) ◽  
pp. 760-761 ◽  
Author(s):  
Aamir Ishaq . ◽  
Sikander Ali . ◽  
Ikram-ul-Haq . ◽  
M.A. Qadeer .
Keyword(s):  
Citric Acid ◽  
Aspergillus Niger ◽  
Time Course ◽  
Acid Fermentation ◽  
Citric Acid Fermentation ◽  
Kinetic Relations

Effect of DDVP (insecticide) on citric acid fermentation in Aspergillus niger

1979 ◽  
Vol 1 (2) ◽  
pp. 127-128 ◽  
Author(s):  
M.S. Ali ◽  
M. Rahmatullah ◽  
Rownak Jahan ◽  
H.K.M. Yusuf ◽  
A.A. Chowdhury
Keyword(s):  
Citric Acid ◽  
Aspergillus Niger ◽  
Acid Fermentation ◽  
Citric Acid Fermentation
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