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All Journal JKPK (Jurnal Kimia dan Pendidikan Kimia) Jurnal Abdi Masyarakat Indonesia
Muhammad Hizbul Wathon
Bachelor Program Of Chemistry Education, Faculty Of Teacher Training And Education, Universitas Sebelas Maret, Indonesia Jl.Ir Sutami No 36 A, Surakarta, Central Java
Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Economics, Econometrics & Finance Education Engineering Public Health

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pH-Sensitive Strips Based on Cellulose and Anthocyanins from Dried Java Plum Fruits (Syzygium cumini) Muhammad Hizbul Wathon; Endang Susilowati; Sri Retno Dwi Ariani
JKPK (Jurnal Kimia dan Pendidikan Kimia) Vol 8, No 1 (2023): JKPK (Jurnal Kimia dan Pendidikan Kimia)
Publisher : Program Studi Pendidikan Kimia FKIP Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jkpk.v8i1.72702

Abstract

This study aimed to develop pH-sensitive strips made of cellulose incorporated with anthocyanins extracted from dried Java plum fruits (Syzygium cumini) which potentially can be used to monitor food freshness. The spoilage of animal protein typically produces total volatile basic nitrogen (TVB-N), which can be easily detected using pH-sensitive indicators. pH-sensitive indicators can be developed by combining biopolymers and anthocyanins. Biopolymers were cellulose from Whatman filter paper. While anthocyanins in this study were extracted from dried Java plum fruits (Syzygium cumini) with acidified water (0.01% v/v HCl) followed by SPE. Anthocyanins were incorporated into Whatman filter paper and dried at 70 °C for 10 min. Cellulose incorporated with anthocyanins was analysed using FT-IR and tested for pH 7-10. LC-MS spectra showed cyanidin-3-O-glucoside (m/z 449.3), delphinidin-3-O-glucoside (m/z 465.3), and petunidin-3-O-glucoside (m/z 479.3). These anthocyanins were the products of the deglycosylation of anthocyanin diglycosides. The deglycosylation of anthocyanins takes place through two different routes in either hemiketal or quinonoid forms. Those proposed two pathways are through protonation on an oxygen atom connecting an aglycone and a sugar moiety or through protonation on an oxygen atom within a sugar ring moiety. UV-Vis studies showed the colour profiles of anthocyanins in buffer solutions pH 1-12. The λvis-max of flavylium at pH < 3 ranged from 515-524 nm. At pH 4 to 6, colourless hemiketal was observed. The λvis-max of the quinonoid base was 575 nm at pH 7 and 590-599 nm for quinonoid anion at pH > 8. In alkaline pH, chalcone was observed.
Development and Characterization of Hand Sanitizer Containing Lempuyang Emprit (Zingiber amaricans BL.) Essential Oil With Zerumbone as The Main Chemical Component Sri Retno Dwi Ariani; Sri Mulyani; Elfi Susanti Vh; Suryadi Budi Utomo; Muhammad Hizbul Wathon; Anastasia Diaz Pramesti
JKPK (Jurnal Kimia dan Pendidikan Kimia) Vol 8, No 1 (2023): JKPK (Jurnal Kimia dan Pendidikan Kimia)
Publisher : Program Studi Pendidikan Kimia FKIP Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jkpk.v8i1.67055

Abstract

Recently, research on the chemistry of natural products as medicinal has been increasingly developed; this is because natural products have many chemical components, have the potential biological activities without side effects, and are easy to obtain. One of these natural products is Lempuyang Emprit (Zingiber amaricans BL.) essential oil. The researchers guided UKM Suti Sehati to develop a new product: a hand sanitizer containing Lempuyang Emprit essential oil (LEEO). This study aims to make ten hand sanitizer formulas by varying LEEO concentrations and determine the best formula based on the physical properties and antibacterial activities. The best formulation obtained was then optimized with variations in fragrance concentration. The best product was selected by a hedonic test using 30 untrained panelists based on the parameters of color, scent, texture, pH, homogeneity, speed of drying, causing no red skin, causing no pain, and causing no dry skin. The antibacterial activity tests were performed against Staphylococcus aureus ATCC 25923 and Escherichia coli ATCC 25922 using the disk method. The LEEO isolation was carried out using steam and water distillation methods, and the chemical components of the best product was identified using the GC-MS method. Based on the hedonic test, the best hand sanitizer product contains 1.5% LEEO and 3% fragrance. This product has a strong antibacterial activity value against S. aureus ATCC 25923, with an inhibition zone of 15.95 mm, and a moderate value against E. coli ATCC 25922, with an inhibition zone of 9.42 mm. The hand sanitizer product contains 21.35% of Zerumbone and exhibits antibacterial and antioxidant capabilities.
Pelatihan dan Pendampingan Produksi Minyak Atsiri Lempuyang Emprit (MALE) dan Hand Sanitizer Beradisi MALE serta Pemasaran Produk secara Digital pada UKM Herbal Suti Sehati di Kabupaten Sukoharjo Jawa Tengah Sri Retno Dwi Ariani; Sri Mulyani; Elfi Susanti VH; Suryadi Budi Utomo; Muhammad Hizbul Wathon; Anastasia Diaz Pramesti; Agustin Wulandari; Aufa Vib Mitsalina
Jurnal Abdi Masyarakat Indonesia Vol 3 No 4 (2023): JAMSI - Juli 2023
Publisher : CV Firmos

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54082/jamsi.802

Abstract

UKM Herbal Suti Sehati merupakan salah satu UKM di Jawa Tengah yang mampu bertahan walaupun terjadi pandemi Covid-19. Tujuan kegiatan ini adalah untuk menyelenggarakan pendampingan di bidang produksi, pengemasan, labelisasi, perhitungan analisis kelayakan usaha, dan tata cara pengurusan ijin edar produk minyak atsiri lempuyang emprit (MALE) dan hand sanitizer beradisi MALE, terhadap UKM Suti Sehati, serta pemasaran produk-produknya melalui digital marketing. Permasalahan yang dihadapi oleh UKM adalah: 1) UKM belum memiliki alat distilasi uap-air guna mengisolasi MALE, 2) UKM belum bisa memproduksi MALE dan hand sanitizer beradisi MALE, 3) UKM perlu pendampingan pemasaran produk-produknya melalui digital marketing. Solusi guna mengatasi permasalahan yang ada di UKM adalah, Tim P2M melaksanakan: 1) pemberian hibah alat distilasi uap-air, 2) pendampingan produksi, pengemasan, labelisasi, perhitungan analisis kelayakan usaha dan tata cara pengurusan perijinan usaha produk MALE dan hand sanitizer beradisi MALE, serta 3) memberikan pelatihan digital marketing. Hasil dari kegiatan pelatihan dan pendampingan produksi minyak atsiri lempuyang emprit (MALE) dan hand sanitizer beradisi MALE serta pemasaran produk secara digital terhadap UKM herbal Suti Sehati adalah terwujudnya pemanfaatan tanaman lempuyang emprit yang banyak tumbuh di lahan milik UKM, menambah jenis produk yang dihasilkan oleh UKM, dan peningkatan pendapatan UKM.
Co-Authors Agustin Wulandari Anastasia Diaz Pramesti Anastasia Diaz Pramesti Aufa Vib Mitsalina Elfi Susanti V. H. Endang Susilowati Sri Mulyani Sri Mulyani Sri Retno Dwi Ariani Sri Retno Dwi Ariani Sri Retno Dwi Ariani Suryadi Budi Utomo Suryadi Budi Utomo