Impact of Manganese Ion Contamination on Fungal Morphology and Organic Acid Yields in Citric Acid and Itaconic Acid Production.

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dc.contributor.advisorBíró, Vivien
dc.contributor.authorKumah, Israel
dc.contributor.departmentDE--Természettudományi és Technológiai Kar--Biotechnológiai Intézet
dc.date.accessioned2026-01-08T12:53:31Z
dc.date.available2026-01-08T12:53:31Z
dc.date.created2025-11-27
dc.description.abstractThis paper examines the impacts of fungal morphology and the yield of citric acid by Aspergillus niger and itaconic acid by Aspergillus terreus under the influence of manganese ion (Mn2+) contamination. The study indicates that the presence of manganese ions at concentrations above critical threshold can interfere with the fungal morphology and organic acid production during the fermentation of citric acid by Aspergillus niger and itaconic acid by Aspergillus terreus. Below the threshold, both fungi can form a favorable pellet morphology, leading to high organic acid yields. On the other hand, excess manganese ion concentrations induces a less productive filamentous growth which lowers the yields of the organic acids. This research establishes that controlling the concentration of manganese is necessary in the production of organic acids in industries. In general, the control of Mn2+ contamination can be considered among the best approaches to reducing cost and increasing the efficiency of industrial fermentation.
dc.description.courseBiochemical Engineering
dc.description.degreeBSc/BA
dc.format.extent46
dc.identifier.urihttps://hdl.handle.net/2437/401818
dc.language.isoen
dc.rights.infoHozzáférhető a 2022 decemberi felsőoktatási törvénymódosítás értelmében.
dc.subjectAspergillus niger
dc.subjectAspergillus terreus
dc.subjectManganese ion control
dc.subjectIndustrial biotechnology
dc.subjectFungal morphology
dc.subjectCitric acid fermentation
dc.subjectItaconic acid fermentation
dc.subjectBioprocess optimization
dc.subject.dspaceBiology::Biotechnology
dc.titleImpact of Manganese Ion Contamination on Fungal Morphology and Organic Acid Yields in Citric Acid and Itaconic Acid Production.
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