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      Analisis Metabolomik Biji Pala (Myristica fragrans) dari Lokasi Tumbuh Berbeda Menggunakan GC-MS

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      Date
      2026
      Author
      Pratama, Fauzan Ramadhan
      Rafi, Mohamad
      Heryanto, Rudi
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      Abstract
      Pala (Myristica fragrans) merupakan tanaman rempah yang mengandung beragam metabolit sekunder dan dipengaruhi oleh faktor lingkungan, termasuk perbedaan lokasi tumbuh. Penelitian ini bertujuan mengidentifikasi dan membandingkan profil metabolit sekunder ekstrak biji pala dari tiga lokasi tumbuh berbeda (Aceh, Bogor, dan Lampung) dengan pendekatan metabolomik berbasis GC-MS. Sampel diekstraksi menggunakan ultrasound-assisted extraction dengan pelarut etil asetat. Hasilnya menunjukkan perbedaan kadar air dan rendemen antar lokasi, dengan rendemen tertinggi diperoleh dari sampel asal Lampung. Dari 186 senyawa yang terdeteksi, 78 senyawa berhasil diidentifikasi dan 23 senyawa menunjukkan perbedaan signifikan berdasarkan hasil ANOVA (p<0,005). Lima senyawa utama yang berkontribusi pada komponen minyak asiri adalah ?-3-karena, p-simena, limonena, miristisin, dan etiltetradekanoat. Principal component analysis menunjukkan pemisahan yang jelas berdasarkan lokasi tumbuh dengan total varians 100%. Hasil ini mengindikasikan bahwa lokasi tumbuh memengaruhi komposisi dan konsentrasi metabolit sekunder biji pala.
       
      A spice plant rich in secondary metabolites, nutmeg (myristica fragrans) is impacted by environmental conditions, such as variations in growth regions. This study used a GC-MS-based metabolomic technique to detect and compare the secondary metabolite profiles of nutmeg seed extracts from three distinct growing regions (Aceh, Bogor, and Lampung). The extraction process was carried out using ethyl acetate and ultrasonic assistance. The Lampung sample had the highest yield, according to the results, which also revealed differences in moisture content and extract yield between locations. Of the 186 chemicals found, 78 were successfully identified, and 23 exhibited significant differences according to ANOVA (p<0.005). ?-3-carene, p-cymene, limonene, myristicin, and ethyltetradecanoic acid were found to be the five main volatile molecules that contribute to the composition of essential oils. The principal component analysis showed a clear separation based on the growing location with a total variance of 100%. These results indicated that the growing location affected the composition and concentration of secondary metabolites of nutmeg seed.
       
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      http://repository.ipb.ac.id/handle/123456789/173099
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      • UT - Chemistry [2302]

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      Copyright © 2020 Library of IPB University
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      Contact Us | Send Feedback
      Indonesia DSpace Group 
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