@article{article_292908, title={Seasonal variation of meat yield and nutritional composition of sea snail (Rapana venosa Valenciennes, 1846 ) captured from Eastern Black Sea Region}, journal={Ege Journal of Fisheries and Aquatic Sciences}, volume={34}, pages={47–56}, year={2017}, DOI={10.12714/egejfas.2017.34.1.07}, author={Koral, Serkan and Kıran, Altan}, keywords={Deniz salyangozu,Rapana venosa,et verimi,yağ asidi kompozisyonu,Doğu Karadeniz}, abstract={<div style="border-top:solid 1pt;border-left:none;border-bottom:solid 1pt;border-right:none;padding:1pt 0cm 1pt 0cm;"> <p class="MsoNormal" style="text-align:justify;border:none;padding:0cm;"> <span lang="en-us" style="font-size:8pt;font-family:’Arial Narrow’, sans-serif;" xml:lang="en-us"> <span style="font-size:12px;">In this study,
changes in meat yield, nutritional and fatty acid composition depending on
seasons of sea snail (Rap </span> <i> <span style="font-size:12px;">ana venosa </span> </i> <span style="font-size:12px;">)
captured commercially in the Eastern Black Sea Region were investigated. The
samples were collected from total twelve stations in Giresun, Trabzon, Rize and
Artvin by scuba and free diving. Sea snail length and weight ranged from 52.85
to 74.27 mm, and from 66.71 to 78.97 g. Meat yields (%) in summer and autumn
were higher than spring and winter. Average meat yields were determined as
19.50 %. Amounts of dry matter, crude ash, crude protein and crude fat percent
in biochemical parameters were changed depending on seasons and stations,
minimum - maximum values of the seasons were found as 23.87-25.36 %, 2.23-2.35
%, 15.36-17.16 %, 0.46-0.73 %, respectively. The lowest and highest seasonal
average ratio of palmitic (C16:0) and stearic (C18:0) acids in saturated fatty
acids (SFA) were determined in summer and winter, respectively. There were no
statistical differences (p>0.05) among seasonal changes in total saturated
fatty acid (SFA) values. Total monounsaturated fatty acid (ΣMUFA) values ranged
from 30.45 mg/100g to 54.84 mg/100g, and values in summer and spring had
statistically significant difference (p<0.05) from other seasonal values.
The highest value among fatty acid groups was found in polyunsaturated fatty
acid (PUFA) as 119.05 mg/100g. Arachidonic (C20:4n6), eicosapentaenoic
(C20:5n3) and docosahexaenoic (C22:6n3) acids had highest values in PUFA.
Changes in eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) values in
summer and autumn were statistically different (p<0.05) from other seasonal
values. While total EPA+DHA values were between 27.40 and 93.42 mg/100 g,
Σn6/Σn3 ratio was found as 1.10 and 0.90. In conclusion, it was determined that
nutritional composition of sea snail in Eastern Black Sea Region was affected
by differences between station and seasonal changes. </span> <i> </i> </span> </p> <p> <i> </i> </p> <i> </i> </div>}, number={1}, publisher={Ege Üniversitesi}