Abstract
A simple one-step purification method, using expanded bed, ion-exchange chromatography, for the fractionation of nisin Z produced by Lactococcus lactis subsp. lactis A164 was developed. The highest dynamic binding capacity (0.92) of the adsorbent was obtained at a superficial velocity of 367 cm h−1, resulting in approx. 2.7-fold bed expansion. The range of pH for the maximum adsorption was 3–4. The isocratic elution with 0.15 m NaCl led to approx. >90% recovery. Single-step purification of nisin Z from unclarified A164 culture broth resulted in 31-fold purification with a 90% yield.
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Cheigh, CI., Kook, MC., Kim, SB. et al. Simple one-step purification of nisin Z from unclarified culture broth of Lactococcus lactis subsp. lactis A164 using expanded bed ion exchange chromatography. Biotechnology Letters 26, 1341–1345 (2004). https://doi.org/10.1023/B:BILE.0000045630.29494.45
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DOI: https://doi.org/10.1023/B:BILE.0000045630.29494.45