Production of citric acid by supplemented batch culture of fungi
Başlık çevirisi mevcut değil.
- Tez No: 400667
- Danışmanlar: DR. BRIAN MCNEIL, PROF. DR. BJORN KRISTIANSEN
- Tez Türü: Doktora
- Konular: Gıda Mühendisliği, Ziraat, Food Engineering, Agriculture
- Anahtar Kelimeler: Belirtilmemiş.
- Yıl: 1992
- Dil: İngilizce
- Üniversite: University of Strathclyde
- Enstitü: Yurtdışı Enstitü
- Ana Bilim Dalı: Belirtilmemiş.
- Bilim Dalı: Belirtilmemiş.
- Sayfa Sayısı: 199
Özet
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Özet (Çeviri)
The effect of a single pulse of ammonium sulphate and citrate upon the progress and final outcome of batch citric acid fermentation was studied. It was found that the optimum addition time of N was in the range of 40 to 75 h. It was found that final citric acid concentration achieved was increased when the amount of supplemental N source added was between 0.25 and 0.5 kg m~ . 60 kg m~ citric acid addition at time 9 0 h, led to increase 40.3 % the final citrate production (final produced citric acid 80 kg m~ ) . The best initial concentration of (NH ) SO was found to v 4' 2 4 be 3 kg m" which ^-produced the highest citric acid -3 concentration (81 kg m ) when the initial concentration of (NH ) SO was varied between 0.5 and 4.0 kg m~3. * 4'2 4 It was recognised that control of culture pH is critical and it should be kept between 1.8 and 2.5. An initial pH of 2.5 was found a optimum pH for citrate production in STR.
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