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Fatty Acid Content and Composition of Fly Larvae Lucilia sericata (Family Calliphoridae) Grown on Diets with Different Content of Polyunsaturated Fatty Acids and the Amino Acid Composition of this Species
ΠΠΊΠ²Π°ΠΊΡΠ»ΡΡΡΡΠ° β Π±ΡΡΡΡΠΎΡΠ°Π·Π²ΠΈΠ²Π°ΡΡΠ°ΡΡΡ ΠΎΡΡΠ°ΡΠ»Ρ ΡΠ΅Π»ΡΡΠΊΠΎΠ³ΠΎ Ρ
ΠΎΠ·ΡΠΉΡΡΠ²Π°, ΠΎΠ΄Π½Π°ΠΊΠΎ
ΡΠ΅ΠΉΡΠ°Ρ ΠΎΠ½Π° ΡΡΠΎΠ»ΠΊΠ½ΡΠ»Π°ΡΡ Ρ Π½Π΅Π΄ΠΎΡΡΠ°ΡΠΊΠΎΠΌ ΠΊΠΎΡΠΌΠΎΠ², ΠΎΡΠ½ΠΎΠ²Ρ ΠΊΠΎΡΠΎΡΡΡ
ΡΠΎΡΡΠ°Π²Π»ΡΡΡ ΡΠ»ΠΎΠ²Ρ Π΄ΠΈΠΊΠΎΠΉ
ΡΡΠ±Ρ, ΠΈ, ΠΊΠ°ΠΊ ΡΠ»Π΅Π΄ΡΡΠ²ΠΈΠ΅, ΠΏΠΎΠ²ΡΡΠ΅Π½ΠΈΠ΅ΠΌ ΠΈΡ
ΡΡΠΎΠΈΠΌΠΎΡΡΠΈ. ΠΠ»Ρ Π΄Π°Π»ΡΠ½Π΅ΠΉΡΠ΅Π³ΠΎ ΡΡΡΠΎΠΉΡΠΈΠ²ΠΎΠ³ΠΎ ΡΠ°Π·Π²ΠΈΡΠΈΡ Π°ΠΊΠ²Π°ΠΊΡΠ»ΡΡΡΡΡ Π½Π΅ΠΎΠ±Ρ
ΠΎΠ΄ΠΈΠΌΠΎ ΡΠ°Π·ΡΠ°Π±ΠΎΡΠ°ΡΡ Π°Π»ΡΡΠ΅ΡΠ½Π°ΡΠΈΠ²Π½ΡΠ΅ ΠΊΠΎΡΠΌΠ°, ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΠΈΠΌΡΠ΅ Π½Π΅ ΠΈΠ· Π΄ΠΈΠΊΠΎΠΉ
ΡΡΠ±Ρ. ΠΠ°ΡΠ΅ΠΊΠΎΠΌΡΠ΅ ΡΠ°ΡΡΠΌΠ°ΡΡΠΈΠ²Π°ΡΡΡΡ ΠΊΠ°ΠΊ ΠΏΠΎΠ΄Ρ
ΠΎΠ΄ΡΡΠΈΠΉ ΠΈΡΡΠΎΡΠ½ΠΈΠΊ ΠΊΠΎΡΠΌΠΎΠ²ΠΎΠ³ΠΎ Π±Π΅Π»ΠΊΠ° Π΄Π»Ρ ΡΡΠ±,
ΠΎΠ΄Π½Π°ΠΊΠΎ ΠΈΡ
ΠΆΠΈΡΠ½ΠΎΠΊΠΈΡΠ»ΠΎΡΠ½ΡΠΉ (ΠΠ) ΡΠΎΡΡΠ°Π² ΡΠ°ΡΡΠΎ Π½Π΅ ΡΠΎΠΎΡΠ²Π΅ΡΡΡΠ²ΡΠ΅Ρ ΡΡΠ΅Π±ΠΎΠ²Π°Π½ΠΈΡΠΌ Π°ΠΊΠ²Π°ΠΊΡΠ»ΡΡΡΡΡ.
Π ΡΡΠ±ΡΠ΅ΠΌ ΠΆΠΈΡΠ΅ ΡΡΠ΅Π΄ΠΈ ΠΠΠΠ Π΄ΠΎΠΌΠΈΠ½ΠΈΡΡΡΡ ΠΊΠΈΡΠ»ΠΎΡΡ ΡΠ΅ΠΌΠ΅ΠΉΡΡΠ²Π° ΠΎΠΌΠ΅Π³Π°β3, Π° Π² Π½Π°Π·Π΅ΠΌΠ½ΡΡ
Π½Π°ΡΠ΅ΠΊΠΎΠΌΡΡ
β ΡΠ΅ΠΌΠ΅ΠΉΡΡΠ²Π° ΠΎΠΌΠ΅Π³Π°β6. ΠΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠ΅ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΠΈ ΠΌΠΎΠ΄ΠΈΡΠΈΠΊΠ°ΡΠΈΠΈ ΠΠ ΡΠΎΡΡΠ°Π²Π°
Π»ΠΈΡΠΈΠ½ΠΎΠΊ Π½Π°ΡΠ΅ΠΊΠΎΠΌΡΡ
Π΄Π»Ρ ΡΠ²Π΅Π»ΠΈΡΠ΅Π½ΠΈΡ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΡ ΠΎΠΌΠ΅Π³Π°β3 ΠΠΠΠ ΡΠ²Π»ΡΠ΅ΡΡΡ Π°ΠΊΡΡΠ°Π»ΡΠ½ΠΎΠΉ Π·Π°Π΄Π°ΡΠ΅ΠΉ.
Π¦Π΅Π»ΡΡ Π΄Π°Π½Π½ΠΎΠΉ ΡΠ°Π±ΠΎΡΡ Π±ΡΠ»ΠΎ ΠΈΠ·ΡΡΠΈΡΡ ΡΠΎΡΡΠ°Π² ΠΈ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΠ΅ ΠΆΠΈΡΠ½ΡΡ
ΠΊΠΈΡΠ»ΠΎΡ Π² Π»ΠΈΡΠΈΠ½ΠΊΠ°Ρ
ΠΌΡΡ
ΠΈ
Lucilia sericata, Π²ΡΡΠ°ΡΠ΅Π½Π½ΡΡ
Π½Π° ΡΡΠ°Π½Π΄Π°ΡΡΠ½ΠΎΠΌ ΠΊΠΎΡΠΌΠ΅ ΠΈ ΠΊΠΎΡΠΌΠ΅ Ρ Π΄ΠΎΠ±Π°Π²Π»Π΅Π½ΠΈΠ΅ΠΌ ΡΡΠΆΠΈΠΊΠΎΠ²ΠΎΠ³ΠΎ ΠΌΠ°ΡΠ»Π°,
Π±ΠΎΠ³Π°ΡΠΎΠΌ Π°Π»ΡΡΠ°-Π»ΠΈΠ½ΠΎΠ»Π΅Π½ΠΎΠ²ΠΎΠΉ
ΠΊΠΈΡΠ»ΠΎΡΠΎΠΉ (ΠΠΠ, 18:3nβ3), ΠΈ ΠΏΡΠΎΠ°Π½Π°Π»ΠΈΠ·ΠΈΡΠΎΠ²Π°ΡΡ Π°ΠΌΠΈΠ½ΠΎΠΊΠΈΡΠ»ΠΎΡΠ½ΡΠΉ
ΡΠΎΡΡΠ°Π² (ΠΠ) Π»ΠΈΡΠΈΠ½ΠΎΠΊ Π΄Π°Π½Π½ΠΎΠ³ΠΎ Π²ΠΈΠ΄Π° ΠΌΡΡ
. ΠΠ Π°Π½Π°Π»ΠΈΠ· ΠΏΡΠΎΠ²ΠΎΠ΄ΠΈΠ»ΠΈ Π½Π° Π³Π°Π·ΠΎΠ²ΠΎΠΌ Ρ
ΡΠΎΠΌΠ°ΡΠΎΠ³ΡΠ°ΡΠ΅ Ρ ΠΌΠ°ΡΡ-ΡΠΏΠ΅ΠΊΡΡΠΎΠΌΠ΅ΡΡΠΈΡΠ΅ΡΠΊΠΈΠΌ
Π΄Π΅ΡΠ΅ΠΊΡΠΎΡΠΎΠΌ. ΠΠ Π°Π½Π°Π»ΠΈΠ· Π²ΡΠΏΠΎΠ»Π½ΡΠ»ΠΈ Π½Π° ΠΆΠΈΠ΄ΠΊΠΎΡΡΠ½ΠΎΠΌ Ρ
ΡΠΎΠΌΠ°ΡΠΎΠ³ΡΠ°ΡΠ΅. ΠΠ
ΡΠΎΡΡΠ°Π² ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½Π½ΡΡ
Π»ΠΈΡΠΈΠ½ΠΎΠΊ ΠΌΡΡ
, ΠΊΠ°ΠΊ ΠΈ Π΄ΡΡΠ³ΠΈΡ
Π½Π°ΡΠ΅ΠΊΠΎΠΌΡΡ
ΠΎΡΡΡΠ΄Π° Diptera, Π±ΡΠ» Π±Π»ΠΈΠ·ΠΎΠΊ ΠΊ ΠΠ
ΡΠΎΡΡΠ°Π²Ρ ΡΡΠ±Π½ΠΎΠΉ ΠΌΡΠΊΠΈ. Π‘ΠΎΡΡΠ°Π² ΠΈ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΠ΅ ΠΆΠΈΡΠ½ΡΡ
ΠΊΠΈΡΠ»ΠΎΡ Π»ΠΈΡΠΈΠ½ΠΎΠΊ ΠΌΡΡ
ΠΈ Π½Π° ΡΡΠ°Π½Π΄Π°ΡΡΠ½ΠΎΠΌ
ΠΊΠΎΡΠΌΠ΅ Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΠ·ΠΎΠ²Π°Π»ΠΈΡΡ Π½ΠΈΠ·ΠΊΠΈΠΌ ΡΠΎΠΎΡΠ½ΠΎΡΠ΅Π½ΠΈΠ΅ΠΌ ΠΎΠΌΠ΅Π³Π°β3 / ΠΎΠΌΠ΅Π³Π°β6 ΠΠΠΠ ΠΈ Π΄ΠΎΠΌΠΈΠ½ΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ
18:1nβ9 ΠΈ 18:2nβ6 β ΠΆΠΈΡΠ½ΡΡ
ΠΊΠΈΡΠ»ΠΎΡ, ΠΊΠΎΡΠΎΡΡΠ΅ ΡΡΠΌΠΌΠ°ΡΠ½ΠΎ ΡΠΎΡΡΠ°Π²Π»ΡΠ»ΠΈ ΠΎΡ 40 % Π΄ΠΎ 60 % ΠΎΡ ΡΡΠΌΠΌΡ
ΠΠ. ΠΠΎΠ±Π°Π²Π»Π΅Π½ΠΈΠ΅ ΡΡΠΆΠΈΠΊΠΎΠ²ΠΎΠ³ΠΎ ΠΌΠ°ΡΠ»Π° ΠΈΠ·ΠΌΠ΅Π½ΠΈΠ»ΠΎ ΡΠΎΠΎΡΠ½ΠΎΡΠ΅Π½ΠΈΠ΅ ΠΎΠΌΠ΅Π³Π°β3 / ΠΎΠΌΠ΅Π³Π°β6 ΠΠΠΠ Ρ 0,11
Π΄ΠΎ 0,46, Π³Π»Π°Π²Π½ΡΠΌ ΠΎΠ±ΡΠ°Π·ΠΎΠΌ Π·Π° ΡΡΡΡ ΡΠ²Π΅Π»ΠΈΡΠ΅Π½ΠΈΡ ΡΠΎΠ΄Π΅ΡΠΆΠ°Π½ΠΈΡ ΠΠΠ. Π’Π°ΠΊΠΈΠΌ ΠΎΠ±ΡΠ°Π·ΠΎΠΌ, ΠΠ ΡΠΎΡΡΠ°Π²
Π»ΠΈΡΠΈΠ½ΠΎΠΊ L. sericata ΠΌΠΎΠΆΠ΅Ρ Π±ΡΡΡ ΡΡΡΠ΅ΡΡΠ²Π΅Π½Π½ΠΎ ΠΌΠΎΠ΄ΠΈΡΠΈΡΠΈΡΠΎΠ²Π°Π½ ΠΏΠΈΡΠ΅ΠΉAquaculture is a fast-growing branch of agriculture, but it faces fish feed shortages due to a decrease in wild fish catches. As a result, the price of feed increases. For further development it requires alternative feed sources. Insects are considered a suitable protein source for fish, but their fatty acid (FA) composition often does not meet the requirements of aquaculture. In fish oil, PUFAs are dominated by the omegaβ3 family, and in terrestrial insects, by the omegaβ6 family. A question arises whether insect larvae lipid composition can be modified to increase the content of omegaβ3 PUFAs. For this purpose, Lucilia sericata larvae were grown on standard feed and feed with addition of camelina oil rich in alpha-linolenic acid (ALA, 18:3nβ3), and their FA content and composition were compared. To evaluate the quality of these larvae protein, their amino acid (AA) composition was determined. The FA analysis was performed on a gas chromatograph equipped with a mass-spectrometer detector. The AA analysis was performed on a liquid chromatograph. The AA composition of the examined fly larvae, similarly to other insects (Diptera), was close to the AA composition of fish meal. Fatty acid composition and content of fly larvae grown on standard food was characterized by a low ratio
of omegaβ3/omegaβ6 PUFAs and by the dominance of 18:1nβ9 and 18:2nβ6 fatty acids, which together
comprised 40β60 % of the total of FAs. The addition of camelina oil changed the ratio of omegaβ3/
omegaβ6 PUFAs from 0.11 to 0.46, mainly due to the increase in ALA content. Thus, FA content and
composition of L. sericata larvae can be significantly modified by a die