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. Author manuscript; available in PMC: 2012 Aug 15.
Published in final edited form as: Phytomedicine. 2011 Apr 21;18(11):998–1005. doi: 10.1016/j.phymed.2011.02.014

Fig. 6.

Fig. 6

Spontaneous contractions in isolated rat colon. Effects of (a) propranolol (1 μM) on the inhibitory responses of schisandrin (10 μM) and isoprenaline (6 nM) and (b) phentolamine (1 μM) on inhibitory responses of schisandrin (10 μM) and phenylepherine (10 μM) (n = 6). (c) Effects of desensitization with 3 subsequent applications of 10 μM nicotine (nicotine desens.) on the inhibitory responses of schisandrin (10 μM) and nicotine (10 μM) (n = 4). (d) Effects of atropine (1 μM) on the inhibitory response of schisandrin (10 μM) (n = 6). Values are expressed as mean ± S.E.M.. **P<0.01 compared to control.