Published: Aug 30, 2022

Articles

Identifikasi Senyawa Fraksi Larut n-Heksana Rimpang Temu Mangga (Curcuma mangga Val) Menggunakan LC-MS/MS dan Review Potensinya sebagai Antibakteri

Identification of Compounds Soluble n-Hexane Fraction of Rhizome of Temu Mangga (Curcuma mango Val) Using LC-MS/MS and Review of its Potential as Antibacterial

10.22487/kovalen.2022.v8.i2.15897
99-112 Purwantinigsih Sugita, Risda Fardilya Nihayah, Moch Ikkbal Aditya Kasmaran, Gustini Syahbirin, Auliya Ilmiawati, Budi Arifin, Luthfan Irfana
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Read Statistic: 659

Delaminasi Perekat Polivinil Asetat Berbasis Air Satu Komponen untuk Aplikasi Kayu Keras Ulin dan Merbau

Delamination on Polyvinyl Acetate Water Based Adhesive One Component for Ulin and Merbau Hard Wood Working Application

10.22487/kovalen.2022.v8.i2.15900
113-119 Retno Indarti, Agustinus Ngatin, Robby Sudarman, Tifa Paramitha, Rony Pasonang Sihombing
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Read Statistic: 310

Sintesis dan Karakterisasi Carbon Nanodots dengan Metode Microwave Assisted Extraction

Synthesis and Characterization of Carbon Nanodots with Microwave Assisted Extraction

10.22487/kovalen.2022.v8.i2.15910
120-126 Mentik Hulupi, Haryadi, Nabila Sofiyani, Rizka Amalia Nuriana, Retno Indarti, Fauzi Abdilah
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Read Statistic: 427

Pengaruh Penambahan Minyak Zaitun Terhadap Karakteristik dan Reologi Edible Film Berbahan Dasar Gluten

The Effect of Addition of Olive Oil on The Properties and Rheology of Gluten-Based Edible Films

10.22487/kovalen.2022.v8.i2.15948
127-141 Nancy Siti Djenar, Joko Suryadi, Nisa Siti Nursaadah, Erina Putri
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Read Statistic: 522

Potensi Minyak Herbal STIFA Pelita Mas Terhadap Kadar Ureum dan Kreatinin Tikus Kondisi Hiperglikemik

Potency of STIFA Pelita Mas Herbal Oil on Ureum and Creatinine Levels of Rats Hyperglycemic Conditions

10.22487/kovalen.2022.v8.i2.15820
142-149 Joni Tandi, Dewi Astuti, Magfirah Magfirah, Tien Wahyu Handayani
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Read Statistic: 191

Optimization and Kinetic Study of Ende-Natural Zeolite as Candidates of Ammonia Adsorbent on Broiler Chicken Litter

10.22487/kovalen.2022.v8.i2.15914
150-157 Abner Tonu Lema, Cytske Sabuna, Yehezkial Wila Balu
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Read Statistic: 151

Antioxidant Potential of Ethanol Extract from Mango Parasite (Dendrophthoe petandra) to Maintain Crude Palm Oil (CPO) Quality

10.22487/kovalen.2022.v8.i2.15954
158-164 Ninik Triayu Susparini, Rohmatulloh, Boima Situmeang, Isna Lailatusholihah, Siti Rohmiyati
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Read Statistic: 129

Pengaruh Konsentrasi Inhibitor dari Eceng Gondok dalam Air Hujan dan Air Kran terhadap Laju Korosi

Effect of Water Hyacinth Inhibitor Concentration in Rain Water and Tap Water Media on Corrosion Rate

10.22487/kovalen.2022.v8.i2.15931
165-170 Emma Hermawati, Yunus Tonapa Sarungu, Bambang Soeswanto, Rispiandi, Alfiana Adhitasari, Sudrajat Harris Abdulloh, Rony Pasonang Sihombing, Retno Indarti
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Read Statistic: 299

Penurunan Kadar Chemical Oxygen Demand (COD) pada Limbah Cair Industri Tahu Menggunakan Arang Aktif dari Pelepah Kelapa Sawit (Elaeis guenensis Jacq.)

Reducing Chemical Oxygen Demand (COD) Levels in Tofu Industrial Liquid Waste Using Activated Charcoal from Palm Oil (Elaeis guenensis Jacq.) Mid-ribs

10.22487/kovalen.2022.v8.i2.15966
171-177 Khairuddin, Ruslan Ruslan, Muh.Ricky Arisandi M. Tahili, Dwi Juli Puspitasari , Indriani, Husain Sosidi, Prismawiryanti, Moh. Mirzan
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Read Statistic: 355

Validation of Boron Analytical Methods on Standard Reference Material Tomato Leaves from NIST No. 1573a with Isothermal Distillation by UV-Vis Spectrophotometry

10.22487/kovalen.2022.v8.i2.15955
178-183 Isna Lailatusholihah, Roto, Agus Kuncaka, Ninik Triayu Susparini
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Read Statistic: 167

Aktivitas Antibakteri Ekstrak Kulit Batang Tumbuhan Johar (Senna siamea Lam) pada Berbagai Polaritas Pelarut

Antibacterial Activity of Johar (Senna siamea Lam) Stem Bark Extract on Various Solvent Polarities

10.22487/kovalen.2022.v8.i2.15970
184-195 Djumidar, Abd. Rahman Razak, Ahmad Ridhay, Ni Ketut Sumarni, Syamsuddin, Jusman, Nurhaeni, Erwin Abdul Rahim
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Read Statistic: 378

Pengaruh Penyimpanan dan Lama Pemanasan Terhadap Kadar Asam Galat pada Kacang Tanah (Arachis hypogaea L.)

Effect of Storage and Heating Time on Gallic Acid Levels in Peanuts (Arachis hypogaea L.)

10.22487/kovalen.2022.v8.i2.15947
196-201 Devyana Dyah Wulandari, Ersalina Nidianti, Ary Andini, Rahmawati Fitri Awalia, Halimah Prisilia
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Read Statistic: 302

Potensi Ekstrak Batang Kayu Gempol (Nauclea orientalis L.) dalam Menghambat Pertumbuhan Bakteri

Potency of Gempol (Nauclea orientalis L.) Stem Extracts to Inhibiting Bacterial Growth

10.22487/kovalen.2022.v8.i2.15962
202-209 Ni Kadek Atmiyanti, Pasjan Satrimafitrah, Abd. Rahman Razak, Nov Irmawati Inda, Indriani, Dwi Juli Puspitasari
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Read Statistic: 290