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Aziz, Ahmad Musonnifin
Universitas Nahdlatul Ulama Sidoarjo
Religion Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Social Sciences Other

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Journal : Journal of Research and Technology

 1 
ISOLASI FITOSTEROL DARI BAWANG MERAH (Allium cepa L.) Aziz, A. Musonnifin; Syahriyah, Farikha Alfi; Ulumuddin, Ahmad Ihya'; A'yuni, Qurrota
Journal of Research and Technology Vol 5, No 1 (2019)
Publisher : Universitas Nahdlatul Ulama Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (457.225 KB)

Abstract

Shallot is one of the kitchen spices that is often used by the community. Shallot contains several useful compounds and one of them is phytosterol. Along with the development of science and technology, phytosterol can be used to reduce blood cholesterol levels and prevent heart disease, so it is very beneficial for human health. In this study, phytosterol compounds were identified and isolated. The dried onion is then pureed and sifted to 100 mesh. The sieved powder is then extracted by reflux extraction method within 6 hours. The results of the extract were then isolated by column chromatography and identified by thin layer chromatography (TLC). The TLC test uses -sitosterol as a standard and anisaldehyde reagent as a stain appearance. The TLC plate which had stained appearance was then analyzed using the TLC Scanner method. The results of the TLC test showed that the extract of positive red onion was purple and contained fitosterol. The results of the TLC Scanner also show that the peak and spectrum of the samples are the same as the standard -sitosterol and positively contain fitosterol.
ISOLASI FITOSTEROL DARI BAWANG MERAH (Allium cepa L.) Ahmad Musonnifin Aziz; Farikha Alfi Syahriyah; Ahmad Ihya’ Ulumuddin; Qurrota A’yuni
Journal of Research and Technology Vol. 5 No. 1 (2019): JRT Volume 5 No 1 Jun 2019
Publisher : 2477 - 6165

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Shallot is one of the kitchen spices that is often used by the community. Shallot contains several useful compounds and one of them is phytosterol. Along with the development of science and technology, phytosterol can be used to reduce blood cholesterol levels and prevent heart disease, so it is very beneficial for human health. In this study, phytosterol compounds were identified and isolated. The dried onion was then pureed and sifted to 100 mesh. The sieved powder was then extracted by reflux extraction method within 6 hours. The results of the extract were then isolated by column chromatography and identified by Thin Layer Chromatography (TLC). The TLC test used -sitosterol as a standard and anisaldehyde reagent as a stain appearance. The TLC plate which had stained appearance was then analyzed using the TLC Scanner method. The results of the TLC test showed that the extract of positive red onion was purple and contained fitosterol. The results of the TLC Scanner also show that the peak and spectrum of the samples were the same as the standard -sitosterol and positively contained fitosterol.
ISOLASI FITOSTEROL DARI BAWANG MERAH (Allium cepa L.) Ahmad Musonnifin Aziz; Farikha Alfi Syahriyah; Ahmad Ihya’ Ulumuddin; Qurrota A’yuni
Journal of Research and Technology Vol. 5 No. 1 (2019): JRT Volume 5 No 1 Jun 2019
Publisher : 2477 - 6165

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55732/jrt.v5i1.447

Abstract

Shallot is one of the kitchen spices that is often used by the community. Shallot contains several useful compounds and one of them is phytosterol. Along with the development of science and technology, phytosterol can be used to reduce blood cholesterol levels and prevent heart disease, so it is very beneficial for human health. In this study, phytosterol compounds were identified and isolated. The dried onion was then pureed and sifted to 100 mesh. The sieved powder was then extracted by reflux extraction method within 6 hours. The results of the extract were then isolated by column chromatography and identified by Thin Layer Chromatography (TLC). The TLC test used -sitosterol as a standard and anisaldehyde reagent as a stain appearance. The TLC plate which had stained appearance was then analyzed using the TLC Scanner method. The results of the TLC test showed that the extract of positive red onion was purple and contained fitosterol. The results of the TLC Scanner also show that the peak and spectrum of the samples were the same as the standard -sitosterol and positively contained fitosterol.
Synthesis of Poly Lactic Acid from Lactic Acid Using Direct Polycondensation Method Using Al(DS)3 and AlCl3 Catalysts Aziz, Ahmad Musonnifin; Widjaja, Tri; Ni’mah, Hikmatun
Journal of Research and Technology Vol. 10 No. 1 (2024): JRT Volume 10 No 1 Juni 2024
Publisher : 2477 - 6165

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55732/jrt.v10i1.1163

Abstract

Poly Lactic Acid (PLA) is a type of polymer that is widely researched because it can meet the requirements for biodegradable polymers and can be used in several of applications. Making PLA using the direct polycondensation method is carried out in 3 process stages, namely dehydration, polycondensation and recrystallization. Dehydration was carried out at 130℃ for 1 hour. Polycondensation was carried out at varying temperatures of 160℃, 180℃ and 200℃ with a concentration of 0.15% for 6 hours. In the meantime, 50 ml of methanol was added, and vacuum conditions were used to carry out the recrystallization process. After that, the viscosity method was used to determine PLA's molecular weight. The highest molecular weight and other properties of PLA, such as its functional groups and thermal behavior, are the aim of this study. The findings of the study indicate that PLA has its maximum molecular weight at 180°C, where it is 15576 gr/mol for PLA+Al(DS)3 and 10771 gr/mol for PLA+AlCl3. The PLA+Al(DS)3 and PLA+AlCl3 spectra display the same bands in the stretching and bending vibration modes, according to the FTIR test. Meanwhile, in the TGA analysis, the highest decomposition was shown by PLA+Al(DS)3 at a temperature of 365℃.
Co-Authors Adhimah, Iftirohatul Ahmad Ihya’ Ulumuddin Ahmad Ihya’ Ulumuddin Aisyah Alifatul Zahidah Rohmah Alfandi, M. Rafly Alqostolani, Bahauddin Ayunda Fitri, Medya Carlita, Cindi Erlin Dian Rahmania, Alifah Dwi Cahyani, Cindy Farikha Alfi Syahriyah Firmansyah, Mochammad Nizar Fitri, Medya Ayuda Gunawan, Zulfaa Hairul Huda Kumala Dhaniswara, Trisna Kuswanto, Aris Listin Fitrianah Luqman Hakim Medya Ayunda Fitri Muhammad Mansur Yafi Nainggolan, Anggi Tirta Sari Br Ni'mah, Hikmatun Ni’mah, Hikmatun Nurmala, Aida Oktavia, Huriyah Putri, Kharisma Ellisya Qurrota A’yuni Qurrota A’yuni Qurrota A’yuni Ramadhan, Rezza Fahlevi Rochman, Alief Noor safira, alfia nikmah Saputra, Bayu Yusuf Eka Sumiyarsono, Elmi Syahbarakat, Rossesari Nailah Syahriyah, Farikha Alfi Tamtiz, Muchammad Tri Widjaja Ulum, Ahmad Bakhrul Ulumuddin, Ahmad Ihya' Widjadja, Arief Widjaja, Tri Zahrotul Azizah