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      IDENTIFIKASI KARAKTER MORFOLOGI, KADAR BIOAKTIF DAN AKTIVITAS INHIBITOR ENZIM ALFA GLUKOSIDAE AKSESI TANAMAN KUMIS KUCING (Orthosiphon stamineus BENTH)

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      Abstract (97.44Kb)
      Date
      2013
      Author
      Kurniawati, Ani
      Sulistiyani
      Safithri, Mega
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      Abstract
      Kumis kucing merupakan tanaman obat yang telah diperdagangkan dan masuk dalam industri fitofarmaka. Keragaman kumis kucing di berbagai wilayah di Indonesia belum terdokumentasikan dengan baik sehingga diperlukan upaya untuk melakukan identifikasi karakter, baik morfologi maupun kadar bioaktif dan khasiatnya sebagai inhibitor enzim alfa glukosidase sehingga dapat membantu pengembangan varietas dan pemanfaatannya. Hasil karakterisasi morfologi menunjukkan bahwa terdapat keragaman plasma nutfah kumis kucing, namun relatif sempit. Semua aksesi tanaman kumis kucing mengandung sinensetin, dengan kadar sinensetin tertinggi adalah aksesi Dramaga klon bunga ungu, diikuti aksesi Dramaga klon bunga putih. Ekstrak etanol kumis kucing aksesi Nagrak dapat digunakan sebagai inhibitor enzim α-glukosidase dengan daya hampat lebih dari 50% pada konsentrasi 10000 ppm. Ekstrak air kumis kucing mempunyai aktivitas sebagai inhibitor terhadap enzim α-glukosidase yang lebih kecil dibandingkan ekstrak etanol.
       
      Cat’s whiskers (Orthosiphon stamineus Benth) is a medicinal plant that has been traded and included in the industry of phytopharmaca. The diversity of cat whiskers in various regions in Indonesia has not been well documented, so it is necessary to identify the characters, both morphological and levels of bioactive, and its usefulness as an inhibitor of enzyme α-glucosidase that can help the development of its varieties and utilization. Morphological characterization results indicate that there is a diversity of cat whiskers germplasm, but relatively narrow. All accessions containing sinensetin, with the highest levels of sinensetin derived from accession of Dramaga, that is purple flower clones followed by white flower clones. An Ethanol extract of cat's whiskers from Nagrak accession can be used as an inhibitor of the α-glucosidase enzyme with inhibition of more than 50% at a concentration of 10000 ppm. Water extract of cat's whiskers had inhibitor activity less than ethanol’extract.
       
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      http://repository.ipb.ac.id/handle/123456789/72729
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      Indonesia DSpace Group 
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