Vol. 8 No. 1 (2025): JUNE 2025

Articles

• Analysis of Caffeine, Total Phenolic Content, and Antioxidant Activity in Liberica Coffee Beans Roasted by Semi-Automatic and Conventional Methods

  Lilla Puji Lestari (Universitas Maarif Hasyim Latif, Indonesia)

  1-8

  Abstract View : 60

  PDF downloads: 0

  DOI : 10.21831/ijoce.v8i1.85978

• Antifungal Activity Test of The Aqueous and Ethanolic Extracts of Strawberry Leaves Against Absidia corymbifera

  Salindri Trijayanti (Universitas Negeri Yogyakarta, Indonesia)
  Sri Handayani (Universitas Negeri Yogyakarta, Indonesia)

  9-22

  Abstract View : 50

  PDF downloads: 0

  DOI : 10.21831/ijoce.v8i1.89514

• Effectiveness of Peanut Shell Activated Carbon as an Adsorbent for Co(II) and Cu(II) Metals in Waste Water Using a Continuous System

  Rizka Aulia Hanifah (Universitas Negeri Yogyakarta, Indonesia)
  Susila Kristianingrum (Universitas Negeri Yogyakarta, Indonesia)

  23-30

  Abstract View : 8

  PDF downloads: 2

  DOI : 10.21831/ijoce.v8i1.88683

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• Effectiveness of Peanut Shell Activated Charcoal as Adsorbent of Chromium and Lead Metal Ions Using Continuous System

  Devi Heryanti (Universitas Negeri Yogyakarta, Indonesia)
  Susila Kristianingrum (Universitas Negeri Yogyakarta, Indonesia)

  31-42

  Abstract View : 8

  PDF downloads: 3

  DOI : 10.21831/ijoce.v8i1.88518

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• Synthesis of Methyl Citronellate through Fischer Esterification Reaction between Methanol and Citronellic Acid from Oxidation Product of Citronellal

  Joko Wahyono (Universitas Negeri Yogyakarta, Indonesia)
  Cornelia Budimarwanti (Universitas Negeri Yogyakarta, Indonesia)

  43-50

  Abstract View : 3

  PDF downloads: 2

  DOI : 10.21831/ijoce.v8i1.91039

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