SDF fraction was dialysed in deionized water by the tubing with a molecular weight cutoff of 12,000–14,000 (Spectrum Laboratories, Inc., USA) for 48 h. The dialysate was freeze-dried and hydrolysed with 72% sulphuric acid at 121 C for 1 h.
SDF fraction was dialysed in deionized water by the tubing witha molecular weight cutoff of 12,000–14,000 (Spectrum Laboratories,Inc., USA) for 48 h. The dialysate was freeze-dried and hydrolysedwith 72% sulphuric acid at 121 C for 1 h.