In this paper , we focus mainly on the chemical compound from the tunica of styela clava 实验中，我们单独对柄海鞘鞘囊中的化学成分进行研究。
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In this paper , we made a basic research on the physiological active substance from styela clava in following aspects stated below 本文从以下几个方面对柄海鞘生理活性物质进行了初步的研究。
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Ii . research on water - soluble constituent we also did some research on the water - soluble physiological active constituent from the tunica of styela clava 山东师范大学硕士学位论文柄海鞘生理活性物质的研究二、水溶性物质的研究我们还进行了柄海鞘鞘囊水溶性生理活性的研究。
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I . research on liposoluble constituent first , styela clava ' s tunica and its body were separated carefully so that interactions among some substances are prevented 一、脂溶性物质的研究首先，将柄海鞘的鞘囊和鞘体进行精细剥离，避免了物质的相互干扰，更好的进行物质的定位。
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Nowadays , research on the physiological active substances from the marine tunicates is in a high speed progress . but it hardly can be seen on papers that some tunicate extracts which have high effective anticancer potential are obtained from styela clava " ? , tunica and body or other kinds of substances 目前，国外对海洋被囊动物海鞘生理活性物质的研究正处于高速发展阶段，但是关于来自柄海鞘鞘囊或鞘体的高效抗肿瘤提取物以及具有其它生理活性的海鞘提取物的仅有零星报道。
