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罗布麻叶浸膏可使脑内５－ＨＴ及ＤＡ含量升高，其水溶性成分可使５－ＨＴ、５－ＨＩＡＡ及ＤＡ 含量升高，而ＮＥ含量降低，醇溶性成分上述作用更为明显。提示罗布麻叶浸膏可能含有兴奋中枢 ５－ＨＴ神经元功能及抑制中枢肾上腺素神经元功能的化学物质，这些化学物质为水溶性及酸溶性。 脑神经细胞膜脂质流动性测定结果提示罗布麻叶浸膏水溶性部分可使膜流动性增加。
Apocynum venetum extract can increase the content of 5-HT and DA in the brain, and its water-soluble components can increase the content of 5-HT, 5-HIAA, and DA, while the NE content decreases, and the above-mentioned effects of alcohol-soluble components are more obvious. . Tip Apocynum extract may contain chemicals that excite central 5-HT neurons and inhibit the function of central adrenergic neurons. These chemicals are water-soluble and acid-soluble. The results of lipid fluidity measurement of brain neuron membrane suggest that the water-soluble part of Apocynum leaf extract can increase the membrane fluidity.