Farklı Sürelerde Soğukta Depolamanın Tenebrio molitor (Coleoptera: Tenebrionidae) Larvalarının Toplam Lipid Miktarına Etkisi

Year 2021, Volume: 6 Issue: 3, 449 - 455, 28.09.2021

Evrim Sönmez

https://doi.org/10.35229/jaes.970307

Cited By: 3

Abstract

Gittikçe artan dünya nüfusu Tenebrio molitor gibi canlı yem hatta bazı ülkelerde insan yiyeceği olarak kullanılan böcekleri alternatif besin kaynağı olarak değerlendirmemizin kaçınılmaz olduğunun habercisidir. Özellikle T. molitor larvaları fazlaca yağ ve protein içermesinden dolayı besleyici değeri yüksek bir besin kaynağıdır. Bu çalışma ‘soğukta bekletildiği sürelerde böcek lipit kaynaklarını korumaya devam mı edecektir ya da geliştirdiği fizyolojik adaptasyonlar yeterli kalmayıp enerji kaynaklarını kullanmaya devam mı edecektir’ sorularına cevap aramaktadır. Bu çalışmanın ana malzemesini T. molitor kültürleri oluşturdu. Besin olarak 1:1 oranında un:buğday unu (250 g:250 g) kullanıldı. İçerisine 25 gr rüşeym, 5 gr kuru maya konuldu. 13-15. larval aşamadaki larvalar kontrol ve deneme grupları oluşturularak belirtilen sıcaklıklarda 5, 10, 15 ve 20 gün süre ile bekletildi. Depolama süreleri biten larvaların ağırlıkları, toplam lipid miktarı ve yüzdeleri tespit edildi. Bu çalışmada farklı sürelerde buzdolabında depolanan T. molitor larvalarının toplam lipid miktarları ve yüzdeleri değerlendirildi. Soğukta 5, 10 ve 15 gün depolanan larvaların toplam lipid miktarları ve yüzdelerinin kontrol grubuna göre daha fazla olduğu belirlendi. 20 gün bekletilen larvalarda ise azalma eğilimi gözlendi. Sonuç olarak yetiştiricilere 15 günden fazla buzdolabında bekletmemeleri önerilmektedir. Aksi takdirde lipid gibi önemli enerji ve besin kaynaklarının azalabileceği göz önüne alınmalıdır.

Keywords

böcek yetiştiriciliği, düşük sıcaklık, sıcaklık sizyolojisi, un kurdu, yağ

The Effect of Different Cold Storage Period on Total Lipid Amount of Tenebrio molitor (Coleoptera: Tenebrionidae) Larvae

Abstract

The ever-increasing world population indicates that it is inevitable to consider insects such as Tenebrio molitor, which are used as live food and even human food in some countries, as an alternative food source. Especially T. molitor larvae are a source of food with high nutritive value for including high lipid and protein. The main material of this study was T. molitor cultures. Flour:wheat flour (250 g: 250 g) in a ratio of 1:1 was used as food. 25 g wheat germ and 5 g dry yeast was put in it. Larvae at stages 13-15th were grouped as control and trial groups and kept for 5, 10, 15 and 20 days at specified temperatures. This study seeks answer to the question “will the insect continue to keep its lipid sources during the periods in which it is kept in the cold, or will it continue to use its energy sources since the physiological adaptations it develops are not enough?” This study evaluates the total lipid amount and percentages of T. molitor larvae stored in refrigerator for different periods. Total lipid amount and percentages of the larvae stored in the cold for 5, 10 and 15 days were found to be higher when compared with the control group. A tendency to decrease was observed in larvae kept for 20 days. As a result, it is recommended for producers not to keep in the refrigerator for more than 15 days. Otherwise, it should be considered that there may be a decrease in important energy and food sources.

Keywords

fat, low temperature, mealworm, rearing insects

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