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- 活力:≥100 u/mg solid
- 活力定义:One unit causes the formation of two micromoles of ammonia per minute at pH 8.0 at 37℃。
- 等电点:4.8。
- 最佳PH:7.0。
- 性状:白色或淡黄色粉末或颗粒状。属于一种寡聚糖。
- 储存条件: 2~8℃
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