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All Journal VALENSI JURNAL KIMIA SAINS DAN APLIKASI The Journal of Pure and Applied Chemistry Research Jurnal Riset Kimia EduChemia: Jurnal Kimia dan Pendidikan Science and Technology Indonesia ALCHEMY Jurnal Penelitian Kimia Indonesian Journal of Chemistry PRIMA: Journal of Community Empowering and Services Molekul: Jurnal Ilmiah Kimia
Triana Kusumaningsih
Department Of Chemistry, Faculty Of Mathematics And Natural Science,Universitas Sebelas Maret
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Energy Engineering Environmental Science Materials Science & Nanotechnology Medicine & Pharmacology Physics

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Labdane Aldehyde Diterpenoids from Curcuma mangga Rhizome Wartono, Muhammad Widyo; Aini, Qurotul; Suryanti, Venty; Firdaus, Maulidan; Rakhman Wibowo, Fajar; Dewi Marliyana, Soerya; Kusumaningsih, Triana; Suci Handayani, Desi
The Journal of Pure and Applied Chemistry Research Vol. 12 No. 3 (2023): September-December 2023
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpacr.2023.012.03.694

Abstract

Curcuma mangga val. (Zingiberaceae) is one of the plants that used as traditional medicine by Indonesian. Several studies have been reported on the content of compounds of C. mangga, but it is not yet known which compounds have medicinal properties. In this study, two labdane diterpenes were isolated from the extract of rhizome of C. mangga. Determination of the structure conducted by NMR (1H, 13C, HSQC and HMBC) that obtained two compounds, calcaratarin A (1) and labda-8(17),12-diene-15,16-dial (2). Both compounds have an aldehyde functional group. However, both compounds did not show antibacterial activity on Escherichia coli.
Karakterisasi, Aplikasi, dan Bioaktivitas Edible Film Kitosan/Pati dengan Bahan Aktif Minyak Atsiri Sabella Vegasty; Triana Kusumaningsih; Maulidan Firdaus; Annisa Istiqomah
ALCHEMY Jurnal Penelitian Kimia Vol 21, No 1 (2025): March
Publisher : UNIVERSITAS SEBELAS MARET (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/alchemy.21.1.86140.1-16

Abstract

Penelitian terkait edible film kitosan telah banyak dikembangkan selama beberapa tahun terakhir. Edible film kitosan merupakan alternatif kemasan pangan yang ramah lingkungan. Kitosan dapat membentuk ikatan intermolekul dengan pati, yang membantu memperbaiki struktur dan sifat fisik film, meningkatkan kilap, transparansi, aktivitas antibakteri, dan mengurangi tingkat kebasahan campuran pelapis. Kombinasi biofilm kitosan-pati singkong merupakan kandidat kuat untuk pelapis dan pengemasan pangan. Campuran keduanya masih bersifat hidrofilik sehingga stabilitas mekanis, ketahanan air, dan perlindungan kelembaban masih jauh dari standar ideal. Penambahan minyak atsiri dapat meningkatkan kekuatan tarik, perpanjangan, dan memperkuat matriks polimer antara kitosan-pati juga berpotensi meningkatkan bioaktivitas dalam edible film. Kajian ini difokuskan pada (1) Pengaruh kombinasi minyak atsiri terhadap karakteristik fisik, kimia, termal, dan mekanik edible film kitosan/pati dan (2) Pembahasan bioaktivitas edible film kitosan/pati/minyak atsiri terhadap berbagai mikroorganisme dalam pangan (3) Aplikasi edible film kitosan/pati/minyak atsiri pada produk pangan.Characterization, Application, and Bioactivity of Edible Chitosan/Starch Film with Essential Oil Active Ingredients. Research related to chitosan edible film has been widely developed over the past few years. Chitosan edible film is an environmentally friendly alternative to food packaging. Chitosan can form intermolecular bonds with starch, which helps improve the structure and physical properties of the film, increases gloss, transparency, antibacterial activity, and reduces the wetness of the coating mixture. The combination of chitosan-cassava starch biofilm is a strong candidate for food coating and packaging. The mix of both is still hydrophilic, so the mechanical stability, water resistance, and moisture protection are still far from ideal standards. The addition of essential oils can increase tensile strength, elongation and strengthen the polymer matrix between chitosan-starch, which also has the potential to increase bioactivity in edible films. This review focuses on (1) The effect of essential oil combination on the physical, chemical, thermal, and mechanical characteristics of chitosan/starch edible films and (2) Discussion of the bioactivity of chitosan/starch/essential oil edible films on various microorganisms in food (3) Application of edible chitosan/starch/essential oil films on food products.
Development and Testing of a Portable Air Purifier with Chemical and UV-C Filtration for Virus and Pollutant Removal Yunita, Ailsa Rahma; Vegasty, Sabella; Izati, Zhahira Nur; Massardi, Adhie; Kusumaningsih, Triana; Firdaus, Maulidan
Jurnal Riset Kimia Vol. 16 No. 2 (2025): September
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jrk.v16i2.790

Abstract

COVID-19 has profoundly impacted global health due to its severe respiratory effects. Similarly, respiratory issues are also triggered by pollutants such as O3, SO2, NO2, and CO. In response to these challenges, this study developed a portable air purifier called APMIKAV, incorporating sodium lauryl sulfate, activated carbon, and UV-C light as filter components. APMIKAV fabrication aimed to build a portable air purifier and study its effectiveness in filtering air containing viruses and pollutants into clean air. The APMIKAV utilized a three-stage filtration process that included a surfactant filter for pollutant removal and virus lysis, an activated carbon filter for pollutant adsorption, and a UV-C filter to deactivate viral DNA and RNA. Methods included designing, assembling, and testing. Antiviral testing was carried out with GeNose C19 on patients who tested positive for COVID-19, while air parameters were analyzed using an NDIR analyzer for CO and an air sampling impinger for O3, SO2, and NO2. Test with GeNose C19 showed negative results. Pollutant concentrations post-filtration average efficiency were 98.17%, 68.84%, 49.29%, and 66.34%, for NO2, O3, SO2, and CO, respectively. Overall, the multi-stage filtration process provided a robust solution for enhancing air quality in environments susceptible to both pollution and viral transmission, which confirmed APMIKAV's effectiveness in providing cleaner and safer air.
Manufacturing and Characterization of Bioplastic from Chitosan and Rambutan Seed (Nephelium lappaceum L.) Starch with the Addition of Sorbitol as Plasticizer Kusumaningsih, Triana; Firdaus, Maulidan; Handayani, Desi; Rahayu, Windi Vinata; Vegasty, Sabella; Ningsih, Dyah A F; Istiqomah, Annisa
Science and Technology Indonesia Vol. 10 No. 4 (2025): 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.2025.10.4.990-998

Abstract

A bioplastic formulated from chitosan and rambutan seed starch (Nephelium lappaceum L.), with sorbitol added as a plasticizer, presents a promising innovation to reduce the reliance on conventional plastics, which contribute to an annual waste accumulation of 381 million tons. This study aims to produce bioplastic from chitosan and rambutan seed starch, to analyze its physical and mechanical properties, and to determine the optimal composition. The bioplastic was fabricated using the solution casting method, with heating at 85-95◦C and drying in an oven at 60◦C for approximately 24 hours. The resulting bioplastic exhibited favorable tensile strength and elongation, as well as rapid biodegradability in soil. FTIR analysis revealed functional groups including O-H, C-H, N-H, C-O, and C-C, indicating the presence of corresponding components. The best composition was achieved with a starch-to-chitosan ratio of 40:60% and 20% sorbitol, resulting in a thickness of 0.21 mm, density of 0.80 g/cm3, water absorptionof 41.17%, tensile strength of 52.53 N/mm2, elongation of 22.64%, and biodegradability of 36.67%. TGA analysis showed three degradation stages i.e. water dehydration, starch degradation, and chitosan degradation.
Phloroglucinol Compounds and Their Derivatives: Comparison of FTIR, NMR, and Bioactivity Characterization as Antibacterial, Antioxidant, and Anticancer Agents Sevi Dwi Cahyani; Triana Kusumaningsih; Maulidan Firdaus; Wahyu Eko Prasetyo
ALCHEMY Jurnal Penelitian Kimia Vol 22, No 1 (2026): March
Publisher : UNIVERSITAS SEBELAS MARET (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/alchemy.22.1.109425.1-39

Abstract

Research on phloroglucinol (PG) and its derivatives has been extensively pursued over the past three decades. PG compounds are found in many plants, such as in the genus Callopyillum, the genus Hypericum, Eucalyptus kino, and brown algae. PG compounds have a symmetrical compound structure and contain many electrons distributed across three active sites, making them very advantageous for electrophilic aromatic substitution. PG has biological activities, such as antibacterial, antioxidant, anticancer, antiviral, anti-inflammatory, and others. PG bioactivity can be increased by synthesizing PG derivatives using various synthetic methods. The addition of an active group to PG can affect its bioactivity, properties, and characteristics, as well as its polarity and lipophilicity. This study aims to collect data on (1) Comparison of Fourier transform infrared (FTIR) and nuclear magnetic resonance (NMR) characterization of various PG derivative compounds, (2) Comparison of PG bioactivity and its derivatives as antibacterial, antioxidant, and anticancer compounds. PG compounds and their derivatives have been shown to exhibit antibacterial effects against several bacteria, including Staphylococcus aureus, Escherichia coli, and MRSA. Furthermore, PG derivatives exhibit antioxidant properties, as evidenced by their low IC50 values, and have demonstrated anticancer activity against cancer cell lines such as A549, MCF-7, and HTC-116. The findings of this study have the potential to assist researchers in developing new drugs.
Pengaruh Pelapisan Kitosan-Nisin terhadap Kualitas Ikan Sidat (Anguilla bicolor bicolor) selama Masa Penyimpanan pada Suhu Rendah Triana Kusumaningsih; Tri Martini; Tika Diah Utami
ALCHEMY Jurnal Penelitian Kimia Vol 15, No 2 (2019): September
Publisher : UNIVERSITAS SEBELAS MARET (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (485.078 KB) | DOI: 10.20961/alchemy.15.2.33892.251-271

Abstract

Telah dilakukan penelitian mengenai preparasi dan karakterisasi pelapisan kitosan nisin terhadap kualitas ikan sidat (Anguilla bicolor bicolor) selama penyimpanan pada suhu rendah. Penyimpanan dilakukan selama 8 hari pada suhu 5 ± 2 °C. Nisin sebanyak (0, 2, 4, 6 dan 8 g) ditambahkan ke dalam larutan kitosan 1% (b/v), sehingga diperoleh lima larutan pelapis, yaitu kitosan 1,0% dan kitosan-nisin: 0,2; 0,4; 0,6 dan 0,8% (b/v). Pelapis kitosan-nisin optimal diketahui melalui pengamatan terhadap perubahan fisik daging. Tebal lapisan kitosan-nisin diamati menggunakan analisis SEM. Parameter yang diukur selama penyimpanan adalah nilai pH, nilai jumlah cemaran mikroba dengan metode Total Plate Count (TPC), kadar air, kadar lemak dan kadar protein. Hasil penelitian menunjukkan bahwa berdasarkan perubahan fisik selama penyimpanan, konsentrasi kitosan-nisin sebesar 0,6% (b/v) merupakan konsentrasi optimal untuk mempertahankan kualitas ikan sidat. Tebal lapisan kitosan-nissin adalah (0,529 − 0,554) mm. Ikan sidat terlapis kitosan-nisin mengalami penurunan kadar proksimat (air, lemak dan protein), peningkatan nilai pH dan jumlah cemaran mikroba yang lebih rendah dibandingkan ikan tanpa pelapisan. Hal tersebut menunjukkan bahwa pelapisan kitosan-nisin pada ikan sidat dapat mempertahankan kualitas ikan sidat selama penyimpanan pada suhu rendah.Effect of Chitosan-Nisin Coating on Quality of Eel (Anguilla bicolor bicolor) during the Storage Period at Low Temperature. The research of the preparation and characterization of chitosan-nisin as a coating layer on the eel (Anguilla bicolor bicolor) were studied. The quality of the eels after coating was observed during storage at low temperatures. The storage was carried out for 8 days at a temperature of 5 ± 2 °C. A various mass of nisin as much as (0, 2, 4, 6 dan 8 g) was added to 1% (b/v) chitosan solution, thus five coating solutions were obtained, namely 1.0% chitosan and chitosan-nissin 0,2; 0,4; 0,6 and 0,8% (w/v), respectively. The optimalization of chitosan-nisin coating was known through the observation of the physical changes of meat. The thickness of chitosan-nisin layer was observed using scanning electron microscopy (SEM) analysis. The parameters measured during storage are pH value, the amount of microbial contamination using the total plate count (TPC) method, water content, fat content and protein content. The results showed that based on the physical changes during storage, the concentration of chitosan-nisin of 0.6% (w/v) was the optimal concentration to maintain the quality of eel. The thickness of the chitosan-nissin layer was observed of 0.529 – 0.554 mm. Chitosan-nisin coated eel decreased proximate levels (water, fat and protein), increased pH value and lower amount of microbial contamination compared to fish without coating. These phenomena show that the chitosan-nisin coating can maintain the quality of eel during storage at low temperatures.
Synthesis, Characterization, and DFT Computational Study of Cu(II) Complex with 3-Hydroxybenzoate Fastabiqul Khoirot; Muhammad David Julian Syach; Sentot Budi Rahardjo; Triana Kusumaningsih
ALCHEMY Jurnal Penelitian Kimia Vol 22, No 1 (2026): March
Publisher : UNIVERSITAS SEBELAS MARET (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/alchemy.22.1.114305.106-116

Abstract

This study focuses on the synthesis, characterization, and density functional theory (DFT) computational study of Cu(II) complexes with 3-hydroxybenzoic acid ligands. The synthesis process was carried out by reacting CuCl₂·2H₂O with 3-hydroxybenzoic acid ligands in methanol, refluxing for 3 hours, and allowing the mixture to stand until complex precipitation formed. The complex formula was determined by atomic absorption spectrometry (AAS), thermogravimetric analysis (TGA), and molar conductivity measurements (41 S·cm2·mol-1), indicating that Cl⁻ acts as a counterion and that the complex formula is [Cu(3-hydroxybenzoate)2]Cl2·4H2O. The complex exhibits a single electronic absorption peak at 914 nm, indicating ligand-metal charge transfer (LMCT) and d-d transitions, consistent with a distorted square-planar geometry. The infrared spectrum shows a phenolic –OH band, indicating that –OH is not deprotonated. Computational methods were used to reveal the electronic structure and molecular geometry, and to verify the experimental data. This complex forms a distorted square planar structure.
Synthesis and Characterization Of C-Hexyl Calix[4]Resorcinarena from Resorcinol-Heptanal Condensation Desi Suci Handayani; Zainal Arifin Almaqqomul Amin; Triana Kusumaningsih; Abu Masykur
ALCHEMY Jurnal Penelitian Kimia Vol 10, No 1 (2014): March
Publisher : UNIVERSITAS SEBELAS MARET (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/alchemy.10.1.730.49-53

Abstract

Synthesis of  C-hexyl  calix[4]resorcinarene  through condensation reaction between resorcinol  and  heptanal  with  HCl  catalyst  has  been  investigated.  Synthesis  conducted  by the ratio of resorcinol: heptanal (1:1) using reflux for 6 hours in ethanol. Structural  analysis of  the  product  was  done  by  FTIR  and 1 H-NMR  spectroscopy,  while  the  characterization was  done  by  determining  melting  point.  The  product  was  golden  brown  powder  with  a yield 99.43%  and  melting point more than 300 °C.  Structural analysis with FTIR and 1 HNMR  known  vibration  and  signals  characteristic  of  calix[4]resorcinarena  group, the vibrations of the CH  bridge. Vibration of CH bridge appearance at wave number 1445 cm-1 and 1456  cm-1, while signal of CH bridge appearance at chemical shifts from  4.17 to 4.21 ppm.
DECREASING pH, PROXIMATE (WATER, PROTEIN AND SUGAR) AND β-CAROTENE CONTENT OF KABOCHA YELLOW PUMPKIN (Cucurbita Maxima L.) WERE INFLUENCED BY AIR COOLING AND VACUUM COOLING STORAGE Triana Kusumaningsih; Tri Martini; Lestari Okstafiyanti; Kartika Setia Rini
ALCHEMY Jurnal Penelitian Kimia Vol 13, No 2 (2017): September
Publisher : UNIVERSITAS SEBELAS MARET (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/alchemy.13.2.4320.166-175

Abstract

ABSTRACTThe aim of the research is to determine the effective storage technique between the air cooling and vacuum cooling technique during storage process (0, 4, 8 and 12 weeks) and to increase the shelf life of kabocha pumpkin. Parameters measured during storage process were β-carotene and proximate content (water, pH, protein and sugar). β-carotene content was analyzed by Spectrophotometer UV-VIS followed by validation method, water content by Gravimetric method, pH by pH meter, protein by Makro Kjehldal method, and sugar by Luff Schrool method.  The validation method showed good result which is proved by linearity, accuracy, precission, LOD, LOQ, and recovery values were 0.988, 98.8%, 3.39-7.73%, 0.011 ppm, 0.016 ppm, and 112% respectively. During storage process, β-carotene content was greater decreased on air cooling storage. For proximate content showed that water content was greater decreased on vacuum cooling storage. pH and the protein content was decreased on  air cooling or vacuum cooling storage, but on air cooling was greater. Sugar content was increased during eight weeks and decreased on last week. From the result it can be seen that vacuum cooling storage was better technique for kabocha pumpkin. Keyword: β-carotene, air cooling, proximate, vacuum cooling 
Peningkatan Rendemen Minyak Atsiri Melalui Maserasi Awal dengan Metode Ultrasonikasi di Rumah Atsiri Indonesia Maulidan Firdaus; Venty Suryanti; Triana Kusumaningsih; Desi Suci Handayani; Soerya Dewi Marliyana; Fajar Rakhman Wibowo; Muhammad Widyo Wartono; Qosrul Karimah; Dhea Afrisa Darmawan
PRIMA: Journal of Community Empowering and Services Vol 9, No 1 (2025): June
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/prima.v9i1.86385

Abstract

Enhancing Essential Oils Yield through Initial Maceration using Ultrasonication Method at Rumah Atsiri Indonesia. Metode ekstraksi minyak atsiri yang paling umum digunakan adalah destilasi uap. Pada umumnya, metode destilasi uap banyak digunakan oleh industri kecil termasuk di Rumah Atsiri Indonesia (RAI), karena memiliki beberapa keuntungan, diantaranya pengoperasian yang mudah serta peralatan yang sederhana. Akan tetapi, metode ini juga memiliki beberapa kelemahan, seperti membutuhkan waktu yang cukup lama dan hasil produksi yang kurang optimal. Untuk mengatasi kelemahan tersebut, solusi yang dapat dilakukan adalah melakukan proses destilasi minyak atsiri yang didahului maserasi dengan bantuan ultrasonik. Bekerja sama dengan RAI, Tim Riset Group Natural Products and Synthetic Organic Chemistry Prodi Kimia FMIPA UNS telah melaksanakan Program Pengabdian kepada Masyarakat (PkM). PkM bertujuan memberikan penyuluhan sekaligus praktik mengenai cara destilasi minyak atsiri dengan memulai proses maserasi dan menerapkan teknik ultrasonikasi di RAI. Pendekatan ini bertujuan untuk meningkatkan efisiensi dan hasil proses destilasi dengan menggunakan gelombang ultrasonik untuk membantu memecah bahan tanaman sebelum destilasi. Hal ini memudahkan untuk mengekstrak lebih banyak minyak dan meningkatkan kualitas minyak atsiri secara keseluruhan. Kegiatan dimulai dengan diskusi tentang teori dan aplikasi maserasi awal dengan metode ultrasonikasi. Sesi selanjutnya adalah praktik maserasi awal dengan metode ultrasonikasi sebelum dilakukan destilasi. Luaran dari pelatihan ini adalah adanya peningkatan performa metode destilasi minyak atsiri. Hasil perlakuan ekstraksi awal dengan teknik ultrasonikasi bisa meningkatkan rendemen minyak sereh wangi dari 0,86% menjadi 1,86% atau meningkat 2,2 kali lebih banyak dibandingkan tanpa maserasi awal.
Co-Authors Abu Masykur Abu Masykur Abu Masykur Ali Triambodo, Ali Annisa Istiqomah Annisa Istiqomah, Annisa aulia Syifa Aninditha Desi Handayani Desi Suci Handayani Desi Suci Handayani Desi Suci Handayani Desi Suci Handayani Dewi Marliyana, Soerya Dewi Restu Tri Wardani Dhea Afrisa Darmawan Dian Endah Kusuma Astuti, Dian Endah Dwi Siswanta Dwi Siswanta Ema Nur Annisa Fajar Rakhman Wibowo Fajar Rakhman Wibowo Fastabiqul Khoirot Firdausi, Nisrina Rahma Fyan Tri Istiqomah Juneasri Hidetaka Kawakita Ichsan Arifagama Izati, Zhahira Nur Jumina Jumina Jumina Jumina Jumina Jumina Keisuke Ohto Khoirina Dwi Nugrahaningtyas Khoirul Fatihin Lestari Okstafiyanti Maryam Rahmi Utami Massardi, Adhie Maulidan Firdaus Maulidan Firdaus Maulidan Firdaus Muhamad Widyo Wartono Muhammad David Julian Syach Muhammad Widyo Wartono Mustofa Mustofa Mustofa Mustofa Nais Puji Wijanarti Ningsih, Dyah A F Nur Jannah Asrilya PRANOTO Prima Vinka Rahmayanti, Prima Vinka Qosrul Karimah Qurotul Aini Rahayu, Windi Vinata Rahmana, Desy Nila Rakhman Wibowo, Fajar Riska Azizawati Sholikh, Riska Azizawati Sabella Vegasty Sentot Budi Rahardjo Sevi Dwi Cahyani Soerya Dewi Marliyana Soerya Dewi Marliyana Suci Wulandari Surya Dewi Marliyana Tahara, Alfia Uke Tika Diah Utami Tri Martini Vegasty, Sabella Venty Suryanti Venty Suryanti Venty Suryanti Wahyu Eko Prasetyo Wisnu Permana, Wisnu Yuni Lestari Yunita, Ailsa Rahma Zainal Arifin Almaqqomul Amin Zainal Arifin Almaqqomul Amin, Zainal Arifin Zuhdi Alqowamul Amin