Categories
vol-25AMINO ACID AND FATTYACID PROFILES OFPEARL
SPOTTED RABBITFISH SIGANUS CANALICULATUS (PARK)
MUSCLES (PISCES : SIGANIDAE).
By
ELHAM A. WASSEF~, AND H. A. ABDEL HADY
*Nationailnstitute ofOceanography & Fisheries, AleXCllld:ia – Egypt.
Keywords: Rabbitfish, Siganus canaliculatus, Lipids, Fatty acids, Amino acids.
ABSTRACT
Pearl spotted rabbitfish Siganus canaIiculatus (park) hold
particular promise for mariculture in many countries ofthe world
Seventeen amino acids were separatedfrom their muscles and were
quantitatively measured Essential amino acids represented 33% of
the total. Lysine, leucine, glutamic acid and aspartic acid were
detected in considerable quantities (7.4% 6. 7%, 10.7% & 7%
respectively). The relative abundance o/sixteen individua1fattyacids
of muscle lipids were also determined by Gas Liquid
Chromatography. Saturated fatty acids represented about 36% of
the total. Oleic and eicosenic acids constituted aber•.if 22% & 21%
respectively of the total monoenoic fatty acids (54%). These figures
could be considered as indicatorsfor the nutritionalrequirements of
the species.
In addition, crude protein, lipids, ash and moisture contents were
monthly estimated for separate sexes for the whole year 1995. The
average annual estimates were 14%, 3.4%, 3.8% & 79% (onfresh
weight basis respectively). Lipids content showed the highest degree
ofvariability particularlyfor females.
