Sains Malaysiana 54(5)(2025):
            1221-1229
            
          
          http://doi.org/10.17576/jsm-2025-5405-02
            
          
          Production of Canthin-6-One and Stigmasterol in Eurycoma longifolia (Tongkat Ali)
            Jack. Hairy Root Culture Transformed using Agrobacterium rhizogenes Strain A4
          (Pengeluaran Canthin-6-One dan
            Stigmasterol dalam Eurycoma longifolia (Tongkat Ali) Jack. Kultur Akar Rerambut Diubah menggunakan Agrobacterium rhizogenes Strain A4)
          NOR HASNIDA HASSAN1,*,
            LING SUI KIONG2, NAZIRAH ABDULLAH1 & NUR AINI MOHD
            KASSIM1
            
        
          1Forestry Biotechnology Division, Forest Research Institute Malaysia
            (FRIM), 52109 Kepong, Selangor, Malaysia
            
        
        2Medicinal Plants Division, Forest Research Institute Malaysia
            (FRIM), 52109 Kepong, Selangor, Malaysia
          Diserahkan: 28 Oktober 2023/Diterima:
            8 Januari 2025
          Abstract
            
        
          Eurycoma longifolia, commonly known as Tongkat Ali or
            Malaysian ginseng, contains a variety of chemical compounds, including quassinoids, canthin-6-one alkaloids, B-carboline
            alkaloids, squalene derivatives, and steroids. These compounds contribute to
            the plant's therapeutic properties, which include anti-cancer, anti-malarial,
            anti-ulcer, aphrodisiac, and energy-boosting effects. Since many of these compounds
            are primarily extracted from the roots, overharvesting can threaten wild
            populations of E. longifolia.
            A sustainable approach to producing these chemical compounds involves
            cultivating hairy root cultures, which have been used successfully to produce
            chemical compounds in other plant species. In this study, hairy root cultures
            of E. longifolia were established using the Agrobacterium rhizogenes strain A4. The hairy roots were cultured in
            MS basal liquid medium at pH 4.9, under dark conditions on an orbital shaker
            (150 rpm) at 25 ± 2 °C.
              The production of two chemical compounds reported extracted from E. longifolia natural roots, canthin-6-one and stigmasterol, was confirmed in the extracts of
              the E. longifolia transformed hairy roots through High-Performance Liquid Chromatography (HPLC)
              and Nuclear Magnetic Resonance (NMR) spectroscopy analysis. E. longifolia hairy roots culture can be used as an alternative source for these chemical compounds.
  
          Keywords: Agrobacterium rhizogenes; chemical compounds; hairy roots; Tongkat Ali
          Abstrak
            
        
          Eurycoma longifolia yang dikenali sebagai Tongkat Ali atau ginseng
            Malaysia mengandungi pelbagai sebatian kimia, termasuk quassinoid, alkaloid
            canthin-6-one, alkaloid B-carboline, terbitan squalene dan steroid. Sebatian ini menyumbang kepada sifat terapeutik tumbuhan ini, termasuk kesan anti-kanser,
            anti-malaria, anti-ulser, afrodisiak dan peningkatan tenaga.
            Oleh kerana kesemua sebatian ini diekstrak terutamanya daripada akar, pengambilan secara berlebihan boleh mengancam populasi liar E. longifolia. Pendekatan yang mampan untuk menghasilkan sebatian kimia ini melibatkan penghasilan kultur akar rerambut yang telah berjaya digunakan untuk menghasilkan sebatian kimia dalam spesies tumbuhan lain. Dalam kajian ini, kultur akar rerambut E. longifolia telah dibangunkan menggunakan strain Agrobacterium rhizogenes A4. Kultur akar rerambut tersebut dikulturkan ke dalam medium cecair asas MS dengan pH 4.9, di bawah keadaan gelap atas penggoncang orbital
            (150 rpm) pada suhu 25 ± 2 °C. Penghasilan dua sebatian kimia yang dilaporkan diekstrak daripada akar semula jadi E. longifolia iaitu canthin-6-one dan stigmasterol, telah disahkan dalam ekstrak akar rerambut E. longifolia menggunakan Kromatografi Cecair Berprestasi Tinggi (HPLC)
              dan analisis spektroskopi Resonans Magnetik Nuklear (NMR). Kultur akar rerambut E. longifolia boleh digunakan sebagai sumber alternatif untuk penghasilan dua sebatian kimia ini.
  
          Kata kunci: Agrobacterium rhizogenes; akar rerambut; metabolit sekunder; Tongkat Ali
            
          
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          *Pengarang untuk surat-menyurat; email:hasnida@frim.gov.my