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      Aktivitas Antirayap Cryptotermes Cynocephalus Ekstrak Etanol Berbagai Aksesi Kayu Ulin (Eusideroxylon zwageri)

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      Date
      2024
      Author
      Nuraini, Yulianita
      Syaefudin
      Satyawan, Dani
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      Abstract
      Kerusakan kayu yang signifikan dan merugikan seringkali disebabkan oleh serangan rayap. Hal ini menyebabkan adanya dorongan untuk mengendalikan rayap menggunakan senyawa metabolit sekunder yang diperoleh dari ekstrak tumbuhan. Kayu ulin dikenal sebagai kayu yang memiliki ketahanan kuat terhadap serangan rayap, sehingga diduga memiliki senyawa yang memiliki aktivitas antirayap. Oleh karena itu, penelitian bertujuan menentukan aktivitas antirayap dengan menggunakan ekstrak etanol kayu ulin pada berbagai aksesi di Kalimantan. Ekstraksi etanol kayu ulin dilakukan dengan metode maserasi menggunakan pelarut EtOH, sedangkan metode no-choice dilakukan untuk menentukan aktivitas antirayap menggunakan rayap jenis Cryptotermes cynocephalus. Hasil penelitian menunjukkan bahwa aktivitas antirayap tertinggi dimiliki oleh aksesi XX.B.231 (10.000 ppm, 15.000 ppm, dan 25.000 ppm) dengan nilai mortalitas mencapai 74,44% dan dengan nilai LD50 terendah sebesar 0,203 mg/gBB. Dengan demikian, jenis aksesi menjadi faktor yang paling mempengaruhi aktivitas antirayap.
       
      Significant and costly wood damage is often caused by termite infestation. This has led to control termites colonization using secondary metabolite compounds from plant extracts. Ironwood is known as wood that has strong resistance to termite attack, so it is thought to have compounds that have anti-moth activity. Therefore, the study aimed to determine the antimite activity using etanol extract of ironwood in various accessions in Kalimantan. The etanol extraction of ulin wood was carried out by maceration method using EtOH solvent, while the no-choice method was carried out to determine the termite activity using Cryptotermes cynocephalus termites. The results showed that the highest anti-termite activity was possessed by accession XX.B.231 (10.000 ppm, 15.000 ppm, and 25.000 ppm) with a mortality value of 97% and with an LD50 lower value of 0,203 mg/gBB. Thus, the type of accession is the factor that most influences the anti-termite activity.
       
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      http://repository.ipb.ac.id/handle/123456789/155779
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      • UT - Biochemistry [1469]

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      Copyright © 2020 Library of IPB University
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      Indonesia DSpace Group 
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