Proximate and Mineral Composition of Freshwater Snails of Tripura, North-East India
Proximate and Mineral Composition of Freshwater Snails of Tripura, North-East India
Date
2016
Authors
Debnath, Chandan
Sahoo, Lopamudra
Haldar, Avijit
Datta, Mrinmoy
Yadav, Gulab Singh
Singha, Abhijit
Bhattacharjee, Jayashree
Journal Title
Journal ISSN
Volume Title
Publisher
Society of Fisheries Technologists (India)Cochin
Abstract
Four freshwater snails (Brotia costula, Bellamya
bengalensis, Bellamya dissimilis and Pila globosa) were
assessed for proximate and mineral compositions
with an aim of establishing their nutritive values.
Analysis of muscle tissues showed crude protein
levels from 11.18 (B. dissimilis) to 15.59% (P. globosa),
moisture 65.80 (B. bengalensis) to 73.80% (P. globosa),
lipid 0.82 (B. costula) to 1.15% (P. globosa), ash 3.82
(P. globosa) to 8.11% (Bellamya spp.) and carbohydrate
5.62 (P. globosa) to 11.97% (Bellamya spp.).
Among the minerals, calcium content varied from
142 (B. dissimilis) to 312.50 mg% (P. globosa),
phosphorus 55.39 (B. dissimilis) to 121.17 mg%
(P. globosa), potassium 118.20 (B. dissimilis) to 182.28
mg% (P. globosa), magnesium 13.37 (B. dissimilis) to
21.43 mg% (B. bengalensis), iron 4.03 (B. dissimilis)
to 68.64 mg% (P. globosa), copper 0.41 (B. dissimilis)
to 0.84 mg% (P. globosa), zinc 1.47 (B. costula) to
2.17 mg% (P. globosa) and manganese 3.13 (B.
costula) to 5.33 mg% (P. globosa). These values were
significantly different (p<0.05) among the snails.
Crude fibre was not detected. Mercury and arsenic
were not detected in any of the samples. From this
study, it is clear that freshwater snails of Tripura
are rich in macro and micro nutrients needed for
human body; they are safe from heavy metal
contamination, hence recommended for regular
consumption.
Description
Keywords
Freshwater snails, minerals, nutrition, proximate
Citation
Fishery Techn 53 (4):307 - 312