Vol. 6 No. 1 (2023)

Research Articles

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  Extraction of Basil Leaves Essential Oil using Microwave Assisted Hydrodistillation Method: Physical Characterization and Antibacterial Activity

  DOI : 10.25273/cheesa.v6i1.14639.1-12

  Ditta Kharisma Yolanda Putri ⁽¹⁾, Salsabila Ananda Putri ⁽²⁾, Briantara Agung Nugraha ⁽³⁾, Boy Arief Fachri ⁽⁴⁾, Bekti Palupi ⁽⁵⁾

  (1) Universitas Jember, Indonesia ,

  (2) Universitas Jember, Indonesia ,

  (3) Universitas Jember, Indonesia ,

  (4) Universitas Jember, Indonesia ,

  (5) Universitas Jember, Indonesia

  1-12

  Abstract : 185

  DOWNLOAD PDF : 50

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  DOI : 10.25273/cheesa.v6i1.14639.1-12
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  Optimization of Ulva sp. Decomposition using H2SO4 with Microwave-Assisted Hydrolysis Method as Feedstock of Bioethanol

  DOI : 10.25273/cheesa.v6i1.14682.13-25

  Bekti Palupi ⁽¹⁾, Muhammad Rizalluddin ⁽²⁾, Kiki Septianti ⁽³⁾, Istiqomah Rahmawati ⁽⁴⁾, Boy Arief Fachri ⁽⁵⁾, Meta Fitri Rizkiana ⁽⁶⁾, Helda Wika Amini ⁽⁷⁾

  (1) Universitas Jember, Indonesia ,

  (2) Universitas Jember, Indonesia ,

  (3) Universitas Jember, Indonesia ,

  (4) Universitas Jember, Indonesia ,

  (5) Universitas Jember, Indonesia ,

  (6) Universitas Jember, Indonesia ,

  (7) Universitas Jember, Indonesia

  13-25

  Abstract : 48

  DOWNLOAD PDF : 25

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  DOI : 10.25273/cheesa.v6i1.14682.13-25
• 

  The Effect of H-Factor on Kappa Number and Viscosity in Continuous Digester

  DOI : 10.25273/cheesa.v6i1.15681.26-33

  Rizka Wulandari Putri ⁽¹⁾, Rahmatullah Rahmatullah ⁽²⁾, Faisal Siagian ⁽³⁾

  (1) Universitas Sriwijaya, Indonesia ,

  (2) Universitas Sriwijaya, Indonesia ,

  (3) Universitas Sriwijaya, Indonesia

  26-33

  Abstract : 78

  DOWNLOAD PDF : 44

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  DOI : 10.25273/cheesa.v6i1.15681.26-33
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  Identification of Flavonoid Compounds in Ethanol Extract of Majapahit plant (Crescentia cujete) Leaves and their Potential as Anticancer

  DOI : 10.25273/cheesa.v6i1.14056.34-48

  Rahma Diyan Martha ⁽¹⁾, Fatimah Fatimah ⁽²⁾, Danar Danar ⁽³⁾, Hesty Parbuntari ⁽⁴⁾

  (1) STIKes Karya Putra Bangsa, Indonesia ,

  (2) STIKes Karya Putra Bangsa, Indonesia ,

  (3) Universitas Negeri Malang, Indonesia ,

  (4) Universitas Negeri Padang, Indonesia

  34-48

  Abstract : 60

  DOWNLOAD PDF : 44

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  DOI : 10.25273/cheesa.v6i1.14056.34-48
• 

  Optimization Production and Characterization of Bacterial Cellulose from Cornhusk

  DOI : 10.25273/cheesa.v6i1.11781.49-55

  Fikka Kartika Widyastuti ⁽¹⁾, Ayu Chandra Kartika Fitri ⁽²⁾

  (1) Universitas Tribhuwana Tungga Dewi, Indonesia ,

  (2) Universitas Tribhuwana Tungga Dewi, Indonesia

  49-55

  Abstract : 61

  DOWNLOAD PDF : 46

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  DOI : 10.25273/cheesa.v6i1.11781.49-55
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  Performance Analysis of Ammonia Converter in Ammonia Unit Factory

  DOI : 10.25273/cheesa.v6i1.14157.56-62

  Prahady Susmanto ⁽¹⁾, Dino Dewantara ⁽²⁾, Teguh Widodo ⁽³⁾, Susi Susanti ⁽⁴⁾

  (1) Universitas Sriwijaya, Indonesia ,

  (2) Universitas Sriwijaya, Indonesia ,

  (3) PT Pupuk Sriwidjaja Palembang, Indonesia ,

  (4) Universitas Sriwijaya, Indonesia

  56-62

  Abstract : 197

  DOWNLOAD PDF : 96

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  DOI : 10.25273/cheesa.v6i1.14157.56-62
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  Utilization of Activated Carbon/Magnesium(II) Composites in Decreasing Organic Materials

  DOI : 10.25273/cheesa.v6i1.15662.63-75

  Dheasi Rani Ullica ⁽¹⁾, Titin Anita Zaharah ⁽²⁾, Imelda Hotmarisi Silalahi ⁽³⁾

  (1) Universitas Tanjungpura, Indonesia ,

  (2) Universitas Tanjungpura, Indonesia ,

  (3) Universitas Tanjungpura, Indonesia

  63-75

  Abstract : 50

  DOWNLOAD PDF : 26

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  DOI : 10.25273/cheesa.v6i1.15662.63-75