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Research Article

Ameliorating effect of Celastrus paniculatus standardized extract and its fractions on 3-nitropropionic acid induced neuronal damage in rats: possible antioxidant mechanism

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Pages 980-990 | Received 21 Jul 2016, Accepted 19 Jan 2017, Published online: 05 Feb 2017

Figures & data

Figure 1. TLC densitometric chromatogram for standard linoleic acid (A) and CPEE (B).

Figure 1. TLC densitometric chromatogram for standard linoleic acid (A) and CPEE (B).

Figure 2. Effect of CPEE and its various fractions on the body weight of 3-NP treated rats. Results are expressed as mean (%) change in body weight ± SD (n = 8); ap < 0.05 vs control; bp < 0.05 vs 3-NP; cp < 0.05 vs CPEE 100 mg/kg; dp < 0.05 vs AF (9 mg/kg); ep < 0.05 vs AF (18 mg/kg); fp < 0.05 vs AF (36 mg/kg). Results are compared using one way analysis of variance followed by Tukey’s post hoc test. CPEE: ethanol extract of Celastrus paniculatus seeds; PF: petroleum ether fraction; EF: ethyl acetate fraction; BF: n-butanol fraction; AF: aqueous fraction.

Figure 2. Effect of CPEE and its various fractions on the body weight of 3-NP treated rats. Results are expressed as mean (%) change in body weight ± SD (n = 8); ap < 0.05 vs control; bp < 0.05 vs 3-NP; cp < 0.05 vs CPEE 100 mg/kg; dp < 0.05 vs AF (9 mg/kg); ep < 0.05 vs AF (18 mg/kg); fp < 0.05 vs AF (36 mg/kg). Results are compared using one way analysis of variance followed by Tukey’s post hoc test. CPEE: ethanol extract of Celastrus paniculatus seeds; PF: petroleum ether fraction; EF: ethyl acetate fraction; BF: n-butanol fraction; AF: aqueous fraction.

Figure 3. Effect of CPEE and its various fractions on the grip strength of 3-NP treated rats. Results are expressed as mean total time of fall ± SD (n = 8); ap < 0.05 vs control; bp < 0.05 vs 3-NP; cp < 0.05 vs CPEE 100 mg/kg; dp < 0.05 vs AF (9 mg/kg); ep < 0.05 vs AF (18 mg/kg); fp < 0.05 vs AF (36 mg/kg). Results are compared using two way analysis of variance followed by Bonferroni’s post hoc test. CPEE: ethanol extract of Celastrus paniculatus seeds; PF: petroleum ether fraction; EF: ethyl acetate fraction; BF: n-butanol fraction; AF: aqueous fraction.

Figure 3. Effect of CPEE and its various fractions on the grip strength of 3-NP treated rats. Results are expressed as mean total time of fall ± SD (n = 8); ap < 0.05 vs control; bp < 0.05 vs 3-NP; cp < 0.05 vs CPEE 100 mg/kg; dp < 0.05 vs AF (9 mg/kg); ep < 0.05 vs AF (18 mg/kg); fp < 0.05 vs AF (36 mg/kg). Results are compared using two way analysis of variance followed by Bonferroni’s post hoc test. CPEE: ethanol extract of Celastrus paniculatus seeds; PF: petroleum ether fraction; EF: ethyl acetate fraction; BF: n-butanol fraction; AF: aqueous fraction.

Figure 4. Effect of CPEE and its various fractions on locomotor activity of 3-NP treated rats. Results are expressed as mean total count ± SD (n = 8); ap < 0.05 vs control; bp < 0.05 vs 3-NP; cp < 0.05 vs CPEE 100 mg/kg; dp < 0.05 vs AF (9 mg/kg); ep < 0.05 vs AF (18 mg/kg); fp < 0.05 vs AF (36 mg/kg). Results are compared using two way analysis of variance followed by Bonferroni’s post hoc test. CPEE: ethanol extract of Celastrus paniculatus seeds; PF: petroleum ether fraction; EF: ethyl acetate fraction; BF: n-butanol fraction; AF: aqueous fraction.

Figure 4. Effect of CPEE and its various fractions on locomotor activity of 3-NP treated rats. Results are expressed as mean total count ± SD (n = 8); ap < 0.05 vs control; bp < 0.05 vs 3-NP; cp < 0.05 vs CPEE 100 mg/kg; dp < 0.05 vs AF (9 mg/kg); ep < 0.05 vs AF (18 mg/kg); fp < 0.05 vs AF (36 mg/kg). Results are compared using two way analysis of variance followed by Bonferroni’s post hoc test. CPEE: ethanol extract of Celastrus paniculatus seeds; PF: petroleum ether fraction; EF: ethyl acetate fraction; BF: n-butanol fraction; AF: aqueous fraction.

Figure 5. Effect of CPEE and its various fractions on gait functions of 3-NP treated rats. (A) Time taken to cross the narrow beam; (B) number of slips. Results are expressed as mean ± SD (n = 8); ap < 0.05 vs control; bp < 0.05 vs 3-NP; cp < 0.05 vs CPEE 100 mg/kg; dp < 0.05 vs AF (9 mg/kg); ep < 0.05 vs AF (18 mg/kg); fp < 0.05 vs AF (36 mg/kg). Results are compared using two way analysis of variance followed by Bonferroni’s post hoc test. CPEE: ethanol extract of Celastrus paniculatus seeds; PF: petroleum ether fraction; EF: ethyl acetate fraction; BF: n-butanol fraction; AF: aqueous fraction.

Figure 5. Effect of CPEE and its various fractions on gait functions of 3-NP treated rats. (A) Time taken to cross the narrow beam; (B) number of slips. Results are expressed as mean ± SD (n = 8); ap < 0.05 vs control; bp < 0.05 vs 3-NP; cp < 0.05 vs CPEE 100 mg/kg; dp < 0.05 vs AF (9 mg/kg); ep < 0.05 vs AF (18 mg/kg); fp < 0.05 vs AF (36 mg/kg). Results are compared using two way analysis of variance followed by Bonferroni’s post hoc test. CPEE: ethanol extract of Celastrus paniculatus seeds; PF: petroleum ether fraction; EF: ethyl acetate fraction; BF: n-butanol fraction; AF: aqueous fraction.

Figure 6. Effect of CPEE and its various fractions on memory functions of 3-NP treated rats on Morris water maze. (A) Time taken (s) by rats to reach platform (transfer latency); (B) time spent (s) in target quadrant. Results are expressed as mean ± SD (n = 8); ap < 0.05 vs control; bp < 0.05 vs 3-NP; cp < 0.05 vs CPEE 100 mg/kg; dp < 0.05 vs AF (9 mg/kg); ep < 0.05 vs AF (18 mg/kg); fp < 0.05 vs AF (36 mg/kg). Results are compared using two way analysis of variance followed by Bonferroni’s post hoc test. CPEE: ethanol extract of Celastrus paniculatus seeds; PF: petroleum ether fraction; EF: ethyl acetate fraction; BF: n-butanol fraction; AF: aqueous fraction.

Figure 6. Effect of CPEE and its various fractions on memory functions of 3-NP treated rats on Morris water maze. (A) Time taken (s) by rats to reach platform (transfer latency); (B) time spent (s) in target quadrant. Results are expressed as mean ± SD (n = 8); ap < 0.05 vs control; bp < 0.05 vs 3-NP; cp < 0.05 vs CPEE 100 mg/kg; dp < 0.05 vs AF (9 mg/kg); ep < 0.05 vs AF (18 mg/kg); fp < 0.05 vs AF (36 mg/kg). Results are compared using two way analysis of variance followed by Bonferroni’s post hoc test. CPEE: ethanol extract of Celastrus paniculatus seeds; PF: petroleum ether fraction; EF: ethyl acetate fraction; BF: n-butanol fraction; AF: aqueous fraction.

Figure 7. Effect of CPEE and its various fractions on oxidative parameters of 3-NP treated rats. (A) MDA levels; (B) nitrite levels; (C) catalase levels; (D) SOD levels; (E) reduced GSH levels. Results are expressed as mean ± SD (n = 8). ap < 0.05 vs control; bp < 0.05 vs 3-NP; cp < 0.05 vs CPEE 100 mg/kg; dp < 0.05 vs AF (9 mg/kg); ep < 0.05 vs AF (18 mg/kg); fp < 0.05 vs AF (36 mg/kg). Results are compared using one way analysis of variance followed by Tukey’s post hoc test. CPEE: Ethanol extract of Celastrus paniculatus seeds; PF: petroleum ether fraction; EF: ethyl acetate fraction; BF: n-butanol fraction; AF: aqueous fraction.

Figure 7. Effect of CPEE and its various fractions on oxidative parameters of 3-NP treated rats. (A) MDA levels; (B) nitrite levels; (C) catalase levels; (D) SOD levels; (E) reduced GSH levels. Results are expressed as mean ± SD (n = 8). ap < 0.05 vs control; bp < 0.05 vs 3-NP; cp < 0.05 vs CPEE 100 mg/kg; dp < 0.05 vs AF (9 mg/kg); ep < 0.05 vs AF (18 mg/kg); fp < 0.05 vs AF (36 mg/kg). Results are compared using one way analysis of variance followed by Tukey’s post hoc test. CPEE: Ethanol extract of Celastrus paniculatus seeds; PF: petroleum ether fraction; EF: ethyl acetate fraction; BF: n-butanol fraction; AF: aqueous fraction.