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Journal : Science and Technology Indonesia

New Encapsulation of Fucoxanthin Isolated from Cyclotella striata by Nano Chitosan–Pectin using Ionic Gelation Method Nahrowi, Ridho; Solehati, Siti; Widyastuti, Widyastuti; Juliasih, Ni Luh Gede Ratna; Pandiangan, Kamisah Delilawati; Setiawan, Andi; Hendri, John
Science and Technology Indonesia Vol. 9 No. 3 (2024): July
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2024.9.3.517-528

Abstract

Fucoxanthin is an anticancer, antioxidant, antimicrobial, and anti-inflammatory bioactive compound. Unfortunately, the conjugated double bonds of the fucoxanthin structure make it unstable, posing issues for product development, particularly with regard to shelf life. This research study aims to synthesize nano chitosan–pectin and encapsulate isolated fucoxanthin by nano chitosan–pectin using an ionic gelation method. Fucoxanthin was obtained through isolation of microalgae species Cyclotella striata. The best result of nanoparticle size using a particle size analyzer was chitosan:pectin 1 : 2 of 172 nm. Fourier transform infrared analysis showed that there was an interaction between chitosan–pectin and fucoxanthin, which was characterized by a shift in the C O absorption fucoxanthin from 1736 to 1632 cm-1. The result of morphological analysis of nano chitosan–pectin–fucoxanthin using a scanning electron microscopeshows a spherical morphology with a size between 140 and 265 nm. The result of encapsulation efficiency was 75.18%, whereas encapsulation stability increased fucoxanthin oxidation half-life 4.7 times longer than that of unencapsulated fucoxanthin. The nano chitosan pectin could be utilized as a matrix conjugate to increase the stability of fucoxanthin significantly by encapsulation. This information is expected to be useful in developing encapsulation applications for unstable compounds.
Plectranthus scutellarioides (L.) R.Br. Leaf Extract as Sunscreen, Skin Lightening, and Antiaging Widyastuti, Widyastuti; Elmitra, Elmitra; Wardi, Epi Supri; Agustin, Diana
Science and Technology Indonesia Vol. 9 No. 3 (2024): July
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2024.9.3.745-755

Abstract

Plectranthus scutellaroides is a plant with attractive colored leaves. It contains secondary metabolite compounds such as flavonoids and phenolics, which provide skin protection against ultraviolet rays from the sun. The research aims to investigate the activity of P. scutellarioides leaf extract from various variants and different solvents on sunscreen, skin lightening, and anti aging activities. The best extract is formulated in gel dosage form. Each P. scutellaroides leaf was extracted using ethanol, ethyl acetate, and hexane as solvents. The obtained extract was assessed for Sun Protecting Factor (SPF), UVA Protection grade (PA), antioxidant activity, and inhibition of tyrosinase, collagenase, elastase, and hyaluronidase. Determination was conducted in vitro using spectrophotometric methods. The highest sunscreen activity was observed in the ethanol extract Va (Va-ET), which exhibited SPF and PA values of 25.618±0.265, and 0.681±0.007 (star 3), respectively at a concentration of 100 ug/mL. The most significant skin-lightening activity was observed in the ethanol extract Vc (Vc-ET), with an IC50 value inhibiting tyrosinase of 39.059 ug/mL. Regarding the anti-aging activity of the extracts, as determined by their antioxidant activity and inhibition of collagenase, elastase, and hyaluronidase, the most promising extracts were obtained from ethanol extract Va (Va-ET) and ethyl acetate extract Va (Va-EA), with IC50 values of 79.734, 76.838, 143.384, and 122.467 ug/ mL, respectively. The Va-ET was formulated into a gel dosage form, and there was a significant effect of the gelling agent on the SPF value of the extract after formulation (p < 0.05). All extracts exhibit activity as sunscreen, skin lightening, and anti-aging, with the Va-ET showing the highest efficacy. Gelling agents significantly influence the SPF value of extracts after formulation into the gel dosage form. Among them, F3, formulated from the Va-ET of P. scutellaroides using Carbopol-940 as a gelling agent, exhibits the highest efficacy.
Novel Micrococcus unila to Produce Glucosamine by Solid-state Fermentation of Shrimp Shell Waste Setiawan, Wawan Abdullah; Setiawan, Andi; Salsabila, Nafila Khansa; Widyastuti, Widyastuti; Laila, Aspita; Juliasih, Ni Luh Gede Ratna; Irawan, Bambang; Ahmadi, Peni; Apriliana, Ety; Arai, Masayoshi; Hendri, John
Science and Technology Indonesia Vol. 9 No. 4 (2024): October
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2024.9.4.779-789

Abstract

This study aimed to assess glucosamine production through enzymatic activity, utilizing actinomycetes sourced from shrimp shell waste (SSW) in a solid-state fermentation (SSF) process. A total of 16 actinomycetes underwent chitinase activity screening, and the strain exhibiting the highest chitinolytic index was chosen for subsequent morphological and phylogenetic analyses. High Performance Liquid Chromatography (HPLC) was employed to analyze glucosamine produced from the bioconversion of SSW via SSF. Optimal conditions for glucosamine production were determined by varying time, pH, and temperature. Isolate 18D36-A2 showed the highest chitinolytic index of 1.02 in the 32-mm clean zone. Phylogenetic analysis revealed 97% similarity to the genus Micrococcus, identifying it as a novel Micrococcus unila strain 18D36-A2 and deposited in GenBank. This isolate effectively converted shrimp shells. The findings showcase the bioconversion of SSW to glucosamine through SSF using the Micrococcus unila 18D36-A2. Furthermore, this study establishes a foundation for future research on environmentally friendly and sustainable designs for glucosamine production.
Fractionation and Formulation of Face Serum from Citrus hystrix DC. Fruit Peel Extract as Sunscreen and Skin-Lightening Widyastuti, Widyastuti; Elmitra, Elmitra; Shinta, Dewi Yudiana; Verawati, Verawati; Afrianti, Ria
Science and Technology Indonesia Vol. 10 No. 1 (2025): January
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2025.10.1.262-272

Abstract

While the leaves of C. hystrix are commonly traded as cooking spices, their fruit cannot be consumed and is still a waste from the harvest. Scholars strive to take benefit of this fruit, especially after discovering that the C. hystrix fruit peel extract has better sunscreen and skin-lightening activity than their leaf and pulp extract. Therefore, this study aims to examine the sunscreen and skin-lightening activity of this fruit peel extract fraction, which was formulated as a face serum. The fractionation process began by separating ethanol extract and ethyl acetate extract of peel using column chromatography. The separation of extract fractions was based on Retardation factor (Rf) values. Extract fractions and peel extracts were then tested to observe the sunscreen and skin-lightening activity by calculating the Sun Protecting Factor (SPF), Protection grade UVA (PA), DPPH, and tyrosinase inhibition using the spectrophotometric method. Following that, face serum was formulated as gel and emulgel using chitosan and Carbopol-940 as gelling agents. The results showed that the best extract fraction was presented by fraction-6 of fruit peel ethanol extract (FEEP-6) with an SPF value of 26.790 ± 0.028 and fraction-1 of fruit peel ethyl acetate extract (FEAEP-1) with a PA value of 0.609 ± 0.021. Good extract fraction was also shown in fraction-5 of fruit peel ethanol extract (FEEP-5) with an IC50 value against DPPH and tyrosinase of 159.770 ug/mL and 214.156 ug/mL. FEEP-5 was used in the face serum dosage form with a concentration of 0.05%. All face serum dosages met the physical evaluation requirements. The best SPF and antioxidant values of face serum were presented by F4 of 26.505 ± 0.762 and 61.905 ± 0.571%, while the best tyrosinase inhibitor was formulated by F3 of 64.926 ± 0.090%. This study concludes that FEEP-5 and F4 are the best extract fractions and face serum formulas to be used as sunscreen and skin lighteners. In particular, FEEP-5 can be made into a face serum, such as emulgel, sunscreen, and skin lighteners.
Co-Authors A, Tarisha Yulia AA Sudharmawan, AA Abdurrahman, M. Ali Adi Nugroho, Him'mawan Aditama, Madya Giri Adyansyah, Farhan Afif, M Nur Afif, Moh. Azmi Agitha, Shintya Riski Ayu Agung Putra Wijaya, Agung Putra Agus Frianto Agustin, Dania Nur Agustin, Diana Agustina, Nurul Aini Agustina, Safitri Ahmadi, Peni Ainiyah, Siti Umrotul Aisy, Muh. Fais Aisyah, Atika Surya Aisyah, Nasrah Akbar, Muh. Fadil Al Fikri, Dimas Rifki Anang Tripasca, Muhammad Anda Resta, Runi Andi Setiawan Andriya Risdwiyanto Anggraeni, Diah Bekti Anggraini, Friska Nur Anindya, R.A.Sekar Ciptaning Anne Zulfia Annisa Suci Rahmadani Antonius Irianto Sukowati Aprilia Aprilia, Aprilia Arai, Masayoshi Ardiyansah, Reza ARI PUJOSUSANTO Aristio, Andre Parvian Armawati Sufa, Siska Arsa, Sondang Beto Karaeng Ashari, Irma Ashfar, Nurul Miftah Rizqy Aspita Laila Asri, Asmulyani Assa’diyah, Halimah Astiandani, Fitri Rahmawati Auliya, Rezky Az Zahro', Dzakiyyah Fathimah Azhar, Achmad Elvin Azizah, Salma Nur Azizah, Siti Hidayatul Azzah Dyah Pramata, Azzah Dyah Bambang Sri Anggoro Briantoro, Agil C, Alisya Ayu Cahyaningrum, Kartika Caswita Caswita Cecep Taufik Rustendi Chanafi, Galih Tri Charyadie, Arlita Gladys Tricia Choiriyah Widyasari Ciptaning Anindya, R.A. Sekar Cornelia, Citra Dadan Dasari Dama, Melati Damaiyanti, Dian Widya Damayanti Masduki Darma, Diana Budi Daulay, Rebekka Dedi Supriadi Dewi, Mega Purnama Dewi, Tri Vicca Kusuma Dhiasa, Indah Swandewi Diah Susanti Dian Mulawarmanti, Dian Dian Nugraha Dianitami, Annisa Ayu Dias, Celin Dicasani, Alifta Dimas Permadi Dina Maulina Djorgie, Thomas Dovan, Yohanes Dyah Nur’ainingsih E, Rulaa Sheiza Eddy S Siradj Effy Wardati Maryam Eko Ari Wibowo Elin Erlina Sasanti Elisabeth, Christine Riani Ella Masita Eltafianti, A Aulia Endang Sri Wahyuningsih, Endang Sri Eni Indriani Ernawati Ernawati Erni Jusnit, R. Ayu Erwansa, Dedi Ety Apriliana Eva Fauziah Fadhi, Wildan Afdalul Fadila, Nadia Fadillah, Elmiah Fahmi Wahyuningsih faisal Reza Faizal Faizal, Faizal Fajarin, Rindang Fanani, Esti Farahdibah, Athirah Farrah Zakiyah Anwar, Farrah Zakiyah Faturrahman, Muh. Faturrochman, Rihza Galih Ferdiamsyah, Firman Putra Ferdiansyah, Fiko FITHRIYAH INDA NUR ABIDA Gangka, Nur Arrad Tenri Gangka, Nurarrad Tenri Geofakta Razali Ghozali Rusyid Affandi Gina Nuraeni Haerani Nur Hamdi, Lazuardi Fatahilah Hanafiah A. Handayani, Budi Handayani, Dwi Oktavia T L Handoko Hanif, Lukman Haninda Bharata Hanri, Chuzairy Harahap, Rizki Anwar Harahap, Robby Harahap, Robby Kurniawan Hariyati Purwaningsih Hartono Siswono Hasdin Hanis Henderiawati, Retno Henny Rachmawati Herianto Herianto Herliyuandi, Fajri Hervin Maulina, Hervin Hidayah, Muhammad Nur Wahyu Hidayat, Fadil Nur Hisyam, Moch I Nyoman Mangku Karmaya Ida Betanursanti Ika Listiqowati Ilham, Nur Azisah Indarti, Caecilia Indryani, Andi Vika Ismarli Muis Ismu Sukamto Iwan Ariawan IZZAH, NURUL Jaelani T, Muhammad Rezky Jamiyanti, Anggi Jannah, Ashhabul Jayadinata, Asep Kurnia Jermsittiparsert, Kittisak John Hendri Joseph, Britney Caren Juliasih, Ni Luh Gede Ratna Juraid Abdul Latief Jusril, Hafizah Karim, Nina Karina Karyadi, Haris Khairiah, Ummul Khamdani, Muchammad Khozin Birrul Kholidah, Uci Elly Khuan, Hendri Khusniyah, Wardah Kirani, Sheila Ayu Komarudin Komarudin Kukuh Sinduwiatmo Kuriawan, Budi Agung Kurniawan, Renaldhi Kurniawan, Sandra Bayu Kusumadewi, Tri Vicca Laili, Nurfi Laily, Ulul Laksmi A. Larasati, Shafira Hanifa Latifah Latifah Lazuwardiyyah, Fairuz Lely Ika Mariyati Lenap, Indria Puspitasari Lengga, Vivop Marti Lestari, Ririn Puji LIES AMIN LESTARI Lika Mariya Lina Dianati Fathimahhayati, Lina Dianati Lucy W, Trisania Lukman Nadjamuddin Lukman Noerochim M, Daud M, Nurhikmah Maghfiroh, Annisatul Mahardika Darmawan Kusuma Wardana Mahbub, Ali Malik Anjelh Baqiya Malik, Safarina G Mardianti, Hestiana Rovita Endah Wita Marwanto Marwanto, Marwanto Maulana, Fajar Maulana Maulana, Syukron Luthfi Mauliddiyah, Dwi Maulidzart, Alief Vickry Thaha Mella Triana Mentari, Ayu Yulia Milawati Milawati Minsih Mochamad Ramdan, Andry MONIKA TIARAWATI Morgan, Juliette Muhammad Ferdiansyah Muhammad Wiharto Munir, M. Aqsha Mahendra Munizu , Musran Myint, Khin Saw Aye N Farid, Muhammad Nabilah, Arsa Firdausi Nadia Asandimitra Haryono Nahrowi, Ridho Nanda, Kharisma Nasir, Dian Oktaviana Natang, R. Hartini Nazrina Zuryani Nessa Nessa Nilawati, Nina Nina Kadaritna Nindria Untarini Nofiandi, Dedi Novianti, Iin Noviar, Noviar Noviyanti, Rintis Nugraha, Dwi Yan Nugroho, Him’mawan Adi Nur Akmal Nur Firdaus, Ahlil Nurahmi, Latifah Nurainingsih, Dyah Nurchollifah, Yeny Nurdiansyah, Haniffudin Nurhadiansyah, Nurhadiansyah Nurhanurawati Nurhanurawati Nurizky, Lintang Nurma Izzati Nurmansyah, Andri Nursanti, Ida Beta Nur‘ainingsih, Dyah Nur’ainingsih, Dyah Octavia, Nur Pandiangan, Kamisah Delilawati Pandu Riono Paramita, Anisa Listya Parnaningroem, Raden Roro Dyah Woroharsi Peduk Rintayati Pentatito Gunowibowo Pradani, Zalza Putri Prasinta, Cindy Pratama, Tata Bayu Pratiwi Retnaningdyah, Pratiwi Pratiwi, Vania Mitha Prayitno, Iwan Adi Prida Novarita Trisanti, Prida Novarita Priyono, Bagus Budi Pronyk, Paul M Puguh Bayu Prabowo, Puguh Bayu Puji Rahayu Purwaning Hartanti, Lina Purwoko, Agus Putra, Jimmy Ananta Mandala Putra, Maizul Putri Ramadhani, Putri Putri, Elisa Beliana Putri, Harfinda Kusuma Putri, Laily Wulandari Maydhiestawati Sunardo Qurrata Ayuni Safruddin R, Dyah Lestarining Rachma, Rossa Alifia Rahma, Elfrida Venia Rahman, Kurnia Hayati Rakhmawati, Ismi Ramadani, Nur Fitri Ramadhan, Riyan Ramadhana Komala Rannu, Delfina Putri Regina Lichteria Panjaitan, Regina Lichteria Rema, Madhuri Ria Afrianti Ridfah, Ahmad Rini Asnawati Rini Rita T Marpaung Rizkia, Thursiena Rizky, Alifia Ainun Robith Hudaya Rofifah, Aliza Athiya Rofiudin, Muhammad Rohim, Ahmad Minanur Rosadi, Iqram Rudi Irawan Rudy Haryanto Rusydi, Nurul Luthfiah S, Della Puspita S, Natasya Dwi Sabati, Mila Safruddin, Muchamad Sahira, Anes Nur Eva Saipul, Saipul Salsabila, Nafila Khansa Samudro, Dicky Anugrah Saptaswari, Dianty Saputri, Suci Indah Sari, Dian Setya Purnomo Sarinengsih, Yuyun Sartika, Endang Sembiring, Rinawati Septiana, Irma Septiansyah, Danang Aditya Pratama Setiawan, Rifqi Rizqullah Setyarini, M. Shinta, Dewi Yudiana Shofi, Afdila Puspita Syifa'atus Sigit Tri Wicaksono, Sigit Tri Silvy Cinthia Adelia Siswanti, Dian Novita Siti Aisyah SITI MAHMUDAH Siti Mulyani Siti Nur Aini, Siti Nur SLAMET SETIAWAN Slamet Suprayogi Solehati, Siti Sri Hastuti Noer Sri Setiyowati Sri Setyowati Sri Wahyuning Sugiharto, Rochman Suhadi Purwantara Sumardi , Sumardi Sungging Pintowantoro Supriatna, Dadar Supriyadi, Herry Suryatika, Friska Delta Sutrisno, Wahyuniarsih Suwandi, Aldo Syamsul Bachri Thalib Syarifuddin, Alfian Tahalele, Olivia Tengku Riza Zarzani N Tias, Ika Wulandari Utamining Tiyas Abror Huda, Tiyas Abror Tri Kurnia, Nelia Trianty, Leily Udhayakumar, Venkatachalam Umi Rahmawati Undang Rosidin Usman, Irsyad Baidlowi Usman, Muh. Yusrifal Usman, Nahrowi Utami, Priska Restu Venkateswaran, Kodumudi Venkateswaran, Neeraja Verawati Verawati Veronika Yulianti Victoria Sielke Laurent Sopacuaperu, Ludwina Viyanti Viyanti W, Dwi Alifia Wahyuningsih, Wiji Wahyuningtyas, Sinta Wahyuningtyas Warastri, Puji Wardi, Epi Supri WAWAN ABDULLAH SETIAWAN, WAWAN ABDULLAH Wayan Rumite Wibisono, Alvian Toto Wibowo, Eko Ari Widowati, Kharina Widyani, Devi Wijanarko, Haryo Bagus William A. Hawley Wira, Rizko Yessy Artanti Yoyada, Novendy Yudhaputri, Frilasita A. Yuli Setiyorini Yuniar, Resa Yunilda Yunilda YUSLI MARIADI Yusuf, Achmad Zainuri Ali, Alfanu Zakaria, Mohamad Ikram Zayyana, Anis Zukhrufa Allayna, Maritza