Ketertarikan Bactrocera carambolae (Diptera: Tephritidae) pada Senyawa Volatil Olahan Limbah Kakao
Indriyanti, Dyah Rini | Martono, Edhi | Trisyono, Andi | Witjaksono,
<p>Tanaman kakao (Theobroma cacao) menghasilkan biji. Biji ditutupi oleh pulp pada saat dipanen, kemudian difermentasi selama tiga hari untuk diambil biji kakao dan dihasilkan limbah cair. Penelitian ini bertujuan untuk menguji ketertarikan lalat buah pada olahan limbah kakao dan mengidentifikasi senyawa kimia volatil yang menarik lalat buah. Penelitian dilakukan di laboratorium, dimulai dari pengolahan limbah kakao, pengujian ketertarikan B. carambolae pada limbah dan mengidentifikasi senyawa volatil olahan limbah kakao. Hasil penelitian menunjukkan bahwa jantan dan betina B. carambolae tertarik pada limbah. Olahan limbah kakao berisi berbagai senyawa volatil yakni: amonia; etil-2-hidroksi propanoat ; 7-dodesenil asetat; senyawa asetamida; 3,5-dihidroksi-2-metil-5,6-dihidropiran; hidroksi metilfurfurol; dan derivat-1-undekuna.</p><p>The cocoa plants (Theobroma cacao) produce seeds. The seeds are covered by pulp when it is harvested. Then these seeds were fermented for three days to transform them becoming cocoa seeds and the fermentation would produce liquid wastes. The study aims to test the attractiveness of fruit flies to the processed liquid cocoa wastes and to identify the chemical compounds which attract fruit flies. The study was conducted in the laboratory, beginning from the processing of cocoa wastes, the testing of the attractiveness of B. carambolae to wastes and to identify the chemical compounds of the processed cocoa wastes. The result showed that males and females B. carambolae were attracted to the wastes.The processed cocoa wastes contain various chemical compounds, i.e. ammonia; ethyl-2-hydroxy propanoate; 7-dodecenyl acetate; acetamide compounds; 3,5 dihydroxy-2-methyl-5,6-dihydropyrane; hydroxyl methylfurfurol; and 1-undecyne derivates.</p>
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