Occa Roanisca
Occa Roanisca
Lecturer of Organic Chemistry, Bangka Belitung University
Email yang diverifikasi di ubb.ac.id
Judul
Dikutip oleh
Dikutip oleh
Tahun
Antioxidant activity and phytochemical of extract ethyl acetat pucuk idat (Cratoxylum glaucum). Indo
RG Mahardika, O Roanisca
J. Chem. Res 5 (2), 481-486, 2018
82018
Ekstraksi daun pelawan (Tristaniopsis merguensis) sebagai antioksidan menggunakan microwave assisted extraction (MAE)
S Enggiwanto, F Istiqomah, K Daniati, O Roanisca, RG Mahardika
Indonesian Journal of Pure and Applied Chemistry 1 (2), 50-55, 2018
72018
Tristaniopsis merguensis Griff. Extract as Inhibitor for Corrosion of Stainless Steel
O Roanisca, RG Mahardika, Y Setiawan
IOP Conference Series: Earth and Environmental Science 353 (1), 012020, 2019
32019
Microwave-Assisted Extraction of Polyphenol Content from Leaves of Tristaniopsis merguensis Griff.
RG Mahardika, O Roanisca
ASEAN Journal of Chemical Engineering 19 (2), 110-119, 2019
32019
Pengelolaan Dan Pengembangan Usaha Mikro Di Desa Balunijuk Menjadi Usaha Mikro Kompetitif Halalan Toyyiban
O Roanisca, RG Mahardika
Jurnal Pengabdian Kepada Masyarakat Universitas Bangka Belitung 5 (1), 13-17, 2018
22018
Potensi Antibakteri Ekstrak Daging Buah Kelubi (Eleiodoxa conferta) Bangka Belitung Menggunakan Microwave-Assisted Extraction (MAE)
S Surtina, RP Sari, Z Zulita, R Rani, O Roanisca, RG Mahardika
Indonesian Journal of Chemical Research 7 (2), 177-182, 2020
12020
Total Phenolic and Antioxidant Capacity of Acetone Extract of Tristaniopsis merguensis Leaves
O Roanisca, RG Mahardika, FIP Sari
Stannum: Jurnal Sains Dan Terapan Kimia 1 (1), 10-13, 2019
12019
Water Quality Testing Due to Oil Palm Plantation Activities in Bangka Regency
FIP Sari, RG Mahardika, O Roanisca
IOP Conference Series: Earth and Environmental Science 353 (1), 012019, 2019
12019
PEMBINAAN TATA KELOLA manajemen PADA ENAM USAHA WARUNG MAKANAN DALAM MEWUJUDKAN KAMPUNG PANGAN HALAL DESA BALUNIJUK
O Roanisca, A Nurohma, M Yusnita, RG Mahardika
PROCEEDINGS OF NATIONAL COLLOQUIUM RESEARCH AND COMMUNITY SERVICE 3, 241-242, 2019
12019
Aktivitas Antioksidan dan Fitokimia dari Ekstrak Etil Asetat Pucuk Idat (Cratoxylum glaucum)
RG Mahardika, O Roanisca
Indonesian Journal of Chemical Research 5 (2), 69-74, 2018
12018
Screaning Fitokimia Dan Aktivitas Antioksidan Dari Ekstrak Aseton Pucuk Iding-iding (Stenochlaena palustris) Bangka
O Roanisca, RG Mahardika
PROCEEDINGS OF NATIONAL COLLOQUIUM RESEARCH AND COMMUNITY SERVICE 1, 2017
12017
Pendampingan Usaha Mikro dan Masyarakat Desa Balunijuk dalam Mewujudkan Kampung HalalL
O Roanisca, M Yusnita, RG Mahardika
Agrokreatif: Jurnal Ilmiah Pengabdian kepada Masyarakat 6 (2), 173-180, 2020
2020
Inhibition of α-Glucosidase Activity and The Toxicity of Tristaniopsis merguensis Griff. Leaf Extract
RG Mahardika, O Roanisca, FIP Sari
Elkawnie 6 (1), 67-76, 2020
2020
Fenolik Total Fraksi Etil Asetat Daun Pelawan (Tristaniopsis merguensis Grifft.)
RG Mahardika, O Roanisca, FIP Sari
Jurnal Sains dan Edukasi Sains 3 (1), 8-14, 2020
2020
Antibacterial Effectiveness Of Formulations Nanoemulsion Cratoxylum Glaucum Korth. Extract
S Enggiwanto, N Riyani, Y Pratama, O Roanisca, RG Mahardika
IOP Conference Series: Earth and Environmental Science 353 (1), 012038, 2019
2019
NANOEMULSI EKSTRAK DAUN PELAWAN (TRISTANIOPSIS MERGUENSIS) SEBAGAI ANTIBAKTERI (ESCHERICHIA COLI DAN STAPHYLOCOCCUS AUREUS) MENGGUNAKAN MICROWAVE ASSISTED EXTRACTION (MAE)
D Safitri, A Samsiar, DY Astuti, O Roanisca
PROCEEDINGS OF NATIONAL COLLOQUIUM RESEARCH AND COMMUNITY SERVICE 3, 20-23, 2019
2019
ANTIBAKTERI SENYAWA PIPERIN DARI LADA MERAPIN BANGKA TERHADAP BAKTERI PROPIONIBACTERIUM ACNES
M Pasha, R Annisa, S Sarfita, O Roanisca, RG Mahardika
PROCEEDINGS OF NATIONAL COLLOQUIUM RESEARCH AND COMMUNITY SERVICE 3, 57-60, 2019
2019
KAJIAN FITOKIMIA DAUN SYZYGIUM ZEYLANICUM MENGGUNAKAN METODE MICROWAVE ASSISTED EXTRACTION (MAE)
N Mayasani, H Hikmahtunnazila, W Lestari, O Roanisca
PROCEEDINGS OF NATIONAL COLLOQUIUM RESEARCH AND COMMUNITY SERVICE 3, 1-4, 2019
2019
EKSTRAKSI DAUN PELAWAN (Tristaniopsis merguensis Griff.) DENGAN METODE MICROWAVE ASSISTED EXTRACTION DAN UJI FITOKIMIANYA
S Enggiwanto, F Istiqomah, K Daniati, O Roanisca, RG Mahardika
PROCEEDINGS OF NATIONAL COLLOQUIUM RESEARCH AND COMMUNITY SERVICE 2, 2018
2018
SCREENING PHYTOCHEMICAL AND ANTIBACTERIAL PROPERTY OF ETHANOLIC (Stenochlaena palustris) EXTRACT AGAINST Staphylococcus aureus, Escherichia coli, dan Bacillus subtilis
O Roanisca
JURNAL KIMIA MULAWARMAN 15 (2), 99-105, 2018
2018
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