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Journal : CHEESA: Chemical Engineering Research Articles

Extraction of Basil Leaves Essential Oil using Microwave Assisted Hydrodistillation Method: Physical Characterization and Antibacterial Activity Putri, Ditta Kharisma Yolanda; Putri, Salsabila Ananda; Nugraha, Briantara Agung; Fachri, Boy Arief; Palupi, Bekti
CHEESA: Chemical Engineering Research Articles Vol. 6 No. 1 (2023)
Publisher : Universitas PGRI Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/cheesa.v6i1.14639.1-12

Abstract

Basil oil can be obtained from basil leaves by non-extraction methods, namely Microwave Assisted Hydrodistillation (MAHD). Therefore, this research aims to determine the yield percentage, essential oil composition by GC-MS, physical characteristics, and antibacterial activity of basil essential oil. The highest yield of 0.3076% was obtained at the optimum condition, which included a microwave power of 300 W, a mass-to-volume solvent ratio (F/S) of 0.75 g/mL, a raw material size of ± 1.75 cm, and an extraction time of 90 min. The results of the analysis of variance showed that all process parameters used had a significant effect on the yield obtained. Basil oil exhibited a larger inhibition zone against Escherichia coli bacteria (16.38 mm) which tended to be stronger than Staphylococcus aureus (5.95 mm) and was classified as moderate. The main components contained in the basil oil were E-Citral (46.79%) and Z-Citral (38.17%). The physical characteristic test showed that the basil oil was soluble in 96% ethanol after a ratio of 1:9, with 1 ml of basil oil compared to 9 ml of ethanol. The density of basil oil at 0.961 g/mL also complied with the standard value according to the Essential Oil Association (EOA) of Ocimum basilicum Essential Oil. These results showed revealed that the parameter analyzed using oil yields at operating conditions produced the most optimum yield value.
Optimization of Ulva sp. Decomposition using H2SO4 with Microwave-Assisted Hydrolysis Method as Feedstock of Bioethanol Palupi, Bekti; Rizalluddin, Muhammad; Septianti, Kiki; Rahmawati, Istiqomah; Fachri, Boy Arief; Rizkiana, Meta Fitri; Amini, Helda Wika
CHEESA: Chemical Engineering Research Articles Vol. 6 No. 1 (2023)
Publisher : Universitas PGRI Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/cheesa.v6i1.14682.13-25

Abstract

Bioethanol is a renewable energy used to reduce dependence on fossil fuels, which have negative impacts on the environment. Furthermore, Ulva sp. contains high levels of carbohydrates, making it potentially suitable as a raw material for bioethanol production. Therefore, this study aims to determine the optimal decomposition process using the microwave-assisted hydrolysis method with an acid solvent (H2SO4), by examining the effects of acid concentration, hydrolysis time, and microwave power. Optimization was carried out using several parameters such as hydrolysis time, microwave power, and the ratio of raw materials to solvents. The ANOVA test results showed that the hydrolysis variable parameter had a significant effect on the reducing sugar content obtained, evidenced by the R2 value of 0.9892. The highest reducing sugar content of 19.71 mg/mL was produced under the operating conditions of 15 min hydrolysis time, 450 W microwave power, and 0.065 g/mL ratio of raw material to solvents.
Co-Authors Abdul Malik Karim Amrullah Adelina, Saltsabita Nourin Adrian, Febri Adriansyah, Muhamad Afred, Merymistika Yufrani Afwal, Diza Raudhatul Agus Wedi Pratama Aina Christalia Rinastiti Akbar, Muhammad Faqihuddin Akhsan, Maulana Yudha Al Fajri, Maktum Muharja Alifia Rahma Putri Neysella Amalia Ramadhan Amartya, Audi Nur Andikasari, Emi Anggraeni, Sella Violina Anggraini, Ranita Anggi Annisa, Yasmin ansori ansori Ardianti , Nanda Melani Ari Susanti Ari Susanti Ari Susanti Ariel Seanhan Haezer Asshofy , Muhammad Agil Atiqa Rahmawati Atiqa Rahmawati Atiqa Rahmawati AYU WULANDARI Aziz, Mohamad Naufal Nizaar Azizi, Daffa Hafiziaulhaq Badril Azhar Badril Azhar Bestari, Cherobina Bida Ayu Bima Suci, Syeikh Maulana Bimo Bayu Aji Boy Arief Fachri Boy Fachri Darojat, Zakiah Devara, Arighy Zahirah Faiqy Diah Tri Wulandari Diana Madhuri Dianavita Fatimah Dianita Ivana Permata Dihayat, Icha Shofia Dini Rahmawaty Ditta Kharisma Yolanda Ditta Kharisma Yolanda Putri Elisah, Nor Fachri, Boy Fakhri Arkaan Humaidi Fandora, Ardan Jauza Farwah, Zilma Aliyah Fatimah, Dianavita Felix Arie Setiawan Firdausi, Adnan Maulana Firmansyah, Alex Firmansyah, Arfian Alwi Firmansyah, Muhammad Sahrul Firsta Retnaningtyas Udroto Gregah Pangayoman Hartanto P Gregah Pangayoman Hartono Putro Habibatul Inayah Harti Arini Hakiki, Rizki Maulana Hanafi, Yogie Alfian Helda Wika Amini Helda Wika Amini Heni Pujiastuti Herdianto, Dimas Nur Hidayat, Debby Aurellia Humaidi, Fakhri Arkaan Indrayani, Lilin Intan Permatasari Istiqomah Rahmawati Istiqomah Rahmawati Kenji Sakai Kenji Sanomoto Khoirunnissa , Aulia Kurniawan, Muhammad Rizky Lailatul Krisna Abdullah Lestari, Afrila Tutut Dwijati Lukman Nulhakim Lumbantoruan, Sri Lestari Maharani, Regita Gustiayu Pramisti Mahfud Mahfud Mahfud Mahfud Maktum Muharja Maulida Septiyana Megasari, Tri Elok Setya Meta Fitri Rizkiana Mizanurafi’ Ghifarhadi Prasiefa Mochamad Ghaza Al Ghifari Mohammad Nor Muhammad Ilham Muhammad Reza Muhammad Reza Muhammad Rizky Kurniawan Muharja, Maktum Nadia Ayumna Fa’iqoh Naily Fatimatuz Zaroh Nanda Ayudiyah Andriani Nida Ayu Salsabila Nikita Meidi Nova Chintya Kurniawati Nova Chintya Kurniawati Nugraha, Briantara Agung Nugroho, Yeremia Prasetya Nur Karima Nur Karima Nurani, Yukti Nurjannah, Lailia Nurtsulutsiyah Nurtsulutsiyah Nurtsulutsiyah, Nurtsulutsiyah Nurul Hidayati Pradipta, Shima Nuril Pramudiska, Riavinola Viyoni Pratiwi, Widya Septaningtyas Pravitasiwi, Nanda Tricya Julia Prayuga, Devi Purimahua, Amanda Augre Maharani Putri, Salsabila Ananda Rachman, Darryl Akeyla Rafif, M. Attar Raharjo, Nadhya Cahya Dwy Rahman, Agus Ramadana, Ifan Ratnasonia, Samantha Githa Ratri Sekaringgalih Regita Gustiayu Pramisti Maharani Rekfa Wika Amini Relyando, Syahfa Adinda Reswara Musyafa Richa Febyola Surya Putri Rizalluddin, Muhammad Rizki Fitria Darmayanti Rizki Fitria Darmayanti Rossi Agnessi Pebriana Sakai, Kenji Salma, Isni Salma Salsabillah Salsabila , Nida Ayu Sanomoto, Kenji Saputri, Ocha Sa’roni, Achmad Septianti, Kiki Setiawan, Arinda Sabrina Shabrina, Nadhilah Shofiah , Laila Nur Sholeha, Irdatus Sonya Hakim Raharjo Subekhi, Jovenlee Gibran Susanti, Eka Puji Susilowati Susilowati Syaifullah, Rangga Yudha Tarigan, Eigiya Nina Tashiro, Yukihiro Tri Elok Setya Megasari Udroto, Firsta Retnaningtyas Ulfiani, Khoirun Nisya' Uzinuzulla, Yunita Virda Wardani, Salza Belila Kusuma Wardhani, Maharani Tri Wibowo, Jihan Nafila Widarti, Rr Diva Naila Putri Wiwik Pratiwi Yahya, Ahmad Daily Yohanes Yohanes Yohanes Yolanda Putri, Ditta Kharisma Yolanda, Ditta Kharisma Yukihiro Tashiro Yukti Nurani Yukti Nurani Zuhriah Mumtazah