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Vol. 48, No. 1, 2014                                                     85

0.75 for chum salmon, 0.77 for Pacific flounder study, the content of palmitic acid was highest in
(Iwasaki and Harada, 1985), 0.95 for cultured SFA, similar values were reported for Black Sea
sturgeon (Badiani et al., 1996), 1.33 for wild sea (Kocatepe and Turan 2012a; Chuang et al., 2012)
bass (Erdem et al., 2009). The resultsobtained from and Marmara Sea scorpion (Tanakol et al., 1999).
this study showed that scorpion fish have well- MUFA and oleic acid content were higher than those
balanced and high-quality protein in respect of reported by other researchers (Tanakol et al., 1999;
E/NE ratio.                                                  Chuang et al., 2012; Kocatepe and Turan, 2010a).
                                                             However, PUFA content was very low compared to
         The recommended requirements of valine              the value (26.83%) reported by Kocatepe and Turan
and isoleucine are 33 and 30 mg/kg body weight/              (2012a). The variation in fatty acid composition of
day (FAO/WH O, 1973), respectively for                       scorpion caught by Black Sea in our study with other
schoolchildren aged 10-12 years. For example, a 30           (Kocatepe and Turan, 2012a) may be explained by
kg child requires 990 and 900 mg of valine and               the fishing season. SFAs are important nutritionally
isoleucine per day, respectively. The protein value          because when they are eaten, they can cause blood
for the scorpion was 15.91 g/100g and thus                   cholesterol levelsto rise. High blood cholesterol levels
consumption of 100 g S. porcus would provide
about 1573 and 1591 mg of valine and isoleucine, are associated with an increased risk of heart
respectively. If 30 kg child therefore consumes 100 g
of S. porcus per day, his daily requirements would           TABLE 3: Fatty acid composition of scorpion fish muscle.
be met by 194 % and 178 %, respectively.
                                                             Fatty acid                           %
         Amino acid scores are summarized in Table
2. When compared to the reference amino acid                 Tridecanoic acid                     0.10± 0.01
                                                             Myristic acid                        7.73± 0.03
                                                             Penta decanoic acid                  1.38± 0.01

pattern of adult, all the amino acid scoreswere > 100.       Palmitic acid                        31.86± 0.10
According to the amino acid score, the amount of             Heptadecanoic acid                   1.50± 0.01
valine was the lowest amongst amino acids in                 Stearic acid                         9.88± 0.04
scorpion.                                                    Arachidic acid                       0.57± 0.01
                                                             Behenic acid                         0.20± 0.00

Fatty acid composition: Fatty acid composition is            Sum of saturated fatty acids         53.22± 0.16
shown in Table 3. The fatty acid profile of scorpion         Myristoleic acid                     0.35± 0.01
was dominated by saturated fatty acids (SFAs),               Palmiteloic acid                     9.57± 0.02
                                                             Oleic acid                           21.80± 0.04

which comprised above half (53.22%) of the total             Eicosenoic acid                      2.36± 0.11
fatty acids. The SFA content are different from the          Nervonic acid                        0.99± 0.01
data reported by others for scorpion (Tanakol et al.,        Sum of monounsaturated fatty acids   35.07± 0.07
1999; Kocatepe and Turan 2012a; Chuang et al.,               Linoleadic acid                      0.29± 0.01
2012). The SFA (Saturated fatty acids), MUFA                 Linoleic acid                        0.32± 0.01
                                                             Arachidonic acid                     1.14± 0.00

(Mono unsaturated fatty acid) and PUFA (Poly Sum of polyunsaturated fatty acids                   1.75± 0.01

unsaturated fatty acid) value of Black Sea scorpion          Total                                90.04± 0.08
obtained by Kocatepe and Turan (2012 a) were                 Undetermined                         9.96± 0.08
35.91, 25.79 and 26.38%, respectively. In the present
                                                             Values are mean ± standard error from duplicate
                                                             determinations.
             TABLE 2: Amino acid score of scorpion fish muscle.

             Ami no acid                Content                             Reference      Score
                                      (mg/g crude                        (mg/g protein)a
             Threonine                                                                      430
             Methi onine                protein)                                 23         495
             Valine                                                              16         306
             Phenylalanine+ Tyrosine      99.00                                  39         566
             Isoleucine                   79.2                                   38         369
             Leucine                      119.2                                  30         367
             Lysi ne                      215.1                                  59         684
                                          110.7                                  45
                                          216.5
                                          307.8

aReferance amino acid pattern of adult (FAO/WHO/UNU, 2007).
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