<mets:mets OBJID="eprint_4207" LABEL="Eprints Item" xsi:schemaLocation="http://www.loc.gov/METS/ http://www.loc.gov/standards/mets/mets.xsd http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-3.xsd" xmlns:mets="http://www.loc.gov/METS/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><mets:metsHdr CREATEDATE="2026-07-04T12:12:07Z"><mets:agent ROLE="CUSTODIAN" TYPE="ORGANIZATION"><mets:name>Repositori BKPK</mets:name></mets:agent></mets:metsHdr><mets:dmdSec ID="DMD_eprint_4207_mods"><mets:mdWrap MDTYPE="MODS"><mets:xmlData><mods:titleInfo><mods:title>Bandingan Kandungan Golongan Kimia Kulit Kayu Daun Muda dan Daun Tua Alstonia Scholaris R. BR.(Laporan Penelitian)</mods:title></mods:titleInfo><mods:name type="personal"><mods:namePart type="given">Djumidi</mods:namePart><mods:namePart type="family">Djumidi</mods:namePart><mods:role><mods:roleTerm type="text">author</mods:roleTerm></mods:role></mods:name><mods:abstract>Kulit kayu Alstonia Scholaris R. BR. banyak digunakan sebagai obat tradisional. Penelitian-penelitian sebelumnya, yang telah banyak dilakukan memberi harapan massa depan untuk dikembangkan.&#13;
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Hasil pengamatan menunjukkan bahwa daya dukung dari satu pohon Alstonia Scholaris R. BR. menghasilkan kulit kayu sangat terbatas, yakni untuk satu kali panen yaitu rata-rata memberi 5 kg basah dalam satu periode. Agar supaya pohon dimaksud tetap hidup dan lestari perlu diteliti bagian lain dari tanaman, antara lain daun muda dan daun tua.&#13;
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Untuk itu telah dilakukan penelitian kandungna kimia, dilengkapi dengan identifiksi secara kromatografi lapisan tipis. Kemudian dibandingkan dengan penelitian yang sama terhadap bagian kulit kayu  Alstonia Scholaris R. BR. &#13;
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Penelitian didapatkan hasil sebagai berikut :&#13;
1. Daun muda mengandung :Alkaloida, saponin, glikosida digitanol. pol1 fenol dan flavonoida.&#13;
2. Daun tua mengandung : Alkaloida, saponin, glikosida digitanol, polifenol dan flavonoida. &#13;
3. Kulit kayu mengandung : Alkaloida, glikosida digitanol dan polifenol.&#13;
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Dari hasil penelitian dapat disimpulkan, bahwa daun Alstonia scholaris R.Br bisa diharapkan sebagai substitusi kulit kayunya. Dengan  demikian di dalam penyediaan bahan obat tidak hanya tergantung pada kulit kayunya saja, sehingga pelestarian dan pengembangan tanaman akan lebih terjamin.</mods:abstract><mods:classification authority="lcc">QV 701-835 Pharmacy and Pharmaceutics</mods:classification><mods:originInfo><mods:dateIssued encoding="iso8601">1983</mods:dateIssued></mods:originInfo><mods:originInfo><mods:publisher>Balai Penelitian Tanaman Obat Tawangmangu</mods:publisher></mods:originInfo><mods:genre>Monograph</mods:genre></mets:xmlData></mets:mdWrap></mets:dmdSec><mets:amdSec ID="TMD_eprint_4207"><mets:rightsMD ID="rights_eprint_4207_mods"><mets:mdWrap MDTYPE="MODS"><mets:xmlData><mods:useAndReproduction>
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