The content of fat and fatty acids composition in chicken liver
2011
Liver is recognized as a valuable source of nutrients in human nutrition but
there are a few reports of the lipid profile of chicken liver. The aim of
work was to determine fat content as well as fatty acids composition of raw
chicken liver. The study was carried out on three chicken breeds (New
Hampshire, Plymouth Rock, Rhode Island) obtained from National Research
Institute of Animal Production in Balice. Total fat was determined by Soxhlet
method and the fatty acids profile was performed with gas chromatography
method on a Varian 3400. Fat content of chicken liver ranged from 2.65 to
10.07 g/100g depended on the breed. The predominant saturated acid (SFA) in
all samples was palmitate (C16:0), followed by stearate (C18:0). Oleate
(C18:1) was the major monounsaturated fatty acid (MUFA) in all samples,
followed by palmitooleate (16:1). n-3 fatty acids in chicken liver were
comparatively lower than SFA and MUFA. The predominant polyunsaturated acid
(PUFA) was linoleate (C18:2). Arachidonate (C20:4) was the second most
important n-6 fatty acid. Fatty acid content also varied between breeds of
chicken. It has been demonstrated that conjugated linoleic acids (CLA) is
found in chicken liver.
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