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Table 1 Proximate composition of Achatina species collected from some rural agro-settlements, south-east Nigeria

From: Proximate composition and bioaccumulation of heavy metals in edible Achatina spp in some rural agro-settlements, south-east Nigeria

Parameters Species Mean ± SD Median (IQR) ANOVA (df = 2,42) Δ Mean
Moisture Achatina achatina 73.72 ± 3.28 72.50 (2.04) F = 0.075
  Achatina marginata 73.65 ± 2.43 73.05 (2.43) p = 0.928  
  Achatina fulica 73.37 ± 1.91 73.02 (2.38)   
Protein Achatina achatina 20.03 ± 3.50 21.25 (6.02) F = 0.648
  Achatina marginata 18.83 ± 2.65 18.46 (3.04) p = 0.528  
  Achatina fulica 19.49 ± 2.41 19.33 (3.42)   
Crude fibre Achatina achatina 0.63 ± 0.57 0.44 (0.14) F = 1.267
  Achatina marginata 0.36 ± 0.49 0.20 (0.22) p = 0.292  
  Achatina fulica 0.42 ± 0.42 0.30 (0.85)   
Fat and oil Achatina achatina 3.85 ± 1.09 4.0 (1.84) F = 0.754
  Achatina marginata 4.40 ± 2.37 3.6 (1.81) p = 0.477  
  Achatina fulica 4.63 ± 1.62 4.2 (2.24)   
Ash Achatina achatina 3.47 ± 1.14 3.56 (1.68) F = 1.205
  Achatina marginata 2.90 ± 1.05 3.24 (1.67) p = 0.310  
  Achatina fulica 2.98 ± 1.06 3.52 (1.82)   
Cho Achatina achatina 4.42 ± 1.66 4.37 (2.22) F = 3.000
  Achatina marginata 6.13 ± 2.68 5.58 (1.40) p = 0.061  
  Achatina fulica 6.00 ± 1.93 5.69 (2.35)   
Nit Achatina achatina 4.34 ± 1.17 4.50 (1.84) F = 0.108  
  Achatina marginata 4.15 ± 1.06 4.60 (1.69) p = 0.898
  Achatina fulica 4.26 ± 1.06 4.74 (1.72)   
Ca Achatina achatina 0.22 ± 0.03 0.22 (0.04) F = 3.568 AM-AA = −0.023*
  Achatina marginata 0.20 ± 0.03 0.20 (0.04) p = 0.037* AF-AA = −0.017
  Achatina fulica 0.20 ± 0.02 0.20 (0.03)   AF-AM = 0.006
  1. SD standard deviation, IQR interquartile range, ANOVA one-way analysis of variance, AM Achatina marginata, AA Achatina achatina, AF Achatina fulica
  2. TukeyHSD post hoc test mean difference and p value, provided only where ANOVA was significant
  3. P significant at *p < 0.05, **p < 0.01, ***p < 0.001