英语语法分析

She says it contains cucurbitacin which is bitter.

它含有葫芦素，味道是苦的。

Moreover, a freeze-drying method was investigated in order to improve the stability of the cucurbitacin SLN suspension.

为了进一步提高葫芦素SLN的稳定性，对其混悬液的冷冻干燥工艺进行了初步的探讨。