Studies on meat quality of pigs crossbred with wild boar. 4. Differences in the composition of lipids and fatty acids in muscles in conjunction with sex and anatomical locations.:4. Differences in the compositions of lipids and fatty acids in muscles in c

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• Three each of castrated males and females of the crossbreds with Berkshire × Wild boar (Sus scrofa leucomystax) were fattened up to 90kg and used for the present study on the influences of sex and anatomical locations on the intramuscular lipids.The composition of intramuscular lipids and that of the fatty acids in the total lipids, neutral lipids, phospholipids, phosphatidyl ethanolamine and phosphatidyl choline fractions were examined for M. longissimus thoracis, M. biceps femoris and M. semimembranosus which were taken from the three each slaughtered at 90kg of body weight. The following results were obtained.1) The amounts of triacylglycerol and neutral lipids in the lipids were larger in the castrated males than in the females. The amount of phospholipids tended to be larger in the M. biceps femoris among other muscles.2) No appreciable difference was found out in the compositions of fatty acids in the total and neutral lipids between the castrated males and the females. The ratio of the total saturated fatty acids was the highest in the M. longissimus thoracis.3) There were no significant influences in connection with sex and anatomical locations upon the compositions of fatty acids in phospholipids or phosphatidyl choline.4) The differences in the compositions of fatty acids in phosphatidyl ethanolamine in conjunction with sex and anatomical locations were comparatively small.From the above-mentioned results, it was found out that the differences in the composition of fatty acids of the crossbreds at body weight of 90kg between sexes were smaller than those among the muscles.

• 日本養豚学会の論文

日本養豚学会 | 論文

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