An unground Nε-long chain acyl lysine crystal production method that includes: preparing a solution having at least one type of Nε-long chain acyl lysine dissolved in an acidic or basic solvent including water and/or one type selected from water-soluble organic solvents; dipping the solution into an acidic solution having a pH of at least 0.2 and less than 2.0, at a temperature of no more than 20°C; and crystallizing Nε-long chain acyl lysine crystals.
一种未研磨的 Nε-长链酰基赖
氨酸晶体生产方法,包括:制备一种溶液,该溶液中至少有一种 Nε-长链酰基赖
氨酸溶解在酸性或碱性溶剂中,包括
水和/或一种选自
水溶性有机溶剂的溶剂;将该溶液浸入 pH 值至少为 0.2 且小于 2.0 的酸性溶液中,温度不超过 20°C;以及结晶 Nε-长链酰基赖
氨酸晶体。