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PENGARUH LUBANG PERFORASI DAN JENIS PLASTIK KEMASAN TERHADAP KUALITAS SAWI HIJAU (BRASSICA JUNCEA L.) Renny Anggraini; Nelsy Dian Permatasari
Jurnal Penelitian Pascapanen Pertanian Vol 14, No 3 (2017): Jurnal Penelitian Pascapanen Pertanian
Publisher : Balai Besar Penelitian dan Pengembangan Pascapanen Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpasca.v14n3.2017.154-162

Abstract

Produk pascapanen sayuran seperti sawi hijau mengalami kemunduran kualitas yang dicirikan oleh terjadinya proses pelayuan yang cepat, untuk mempertahankan mutu selama penyimpanan perlu pengemasan dan penyimpanan yang tepat. . Penelitian ini bertujuan menganalisis dan menentukan jenis plastik dan jumlah lubang perforasi terbaik dalam pengemasan sawi hijau yang dapat memperpanjang umur simpannya. Sawi hijau dikemas dalam plastik LDPE, PP, dan stretch film. Masing-masing jenis plastik kemudian dilubangi sebanyak 2, 4, dan 6 dengan pelubang kertas, serta tanpa lubang. Seluruh perlakuan diulang sebanyak 3 kali dan selanjutnya disimpan dalam lemari pendingin dengan suhu 5oC. Hasil penelitian menunjukkan bahwa plastik LDPE merupakan kemasan terbaik yang mampu mempertahankan kadar air, susut bobot, dan vitamin C pada sawi hijau selama penyimpanan, sedangkan plastik PP merupakan kemasan terbaik yang mampu mempertahankan TPT sawi hijau. Jumlah lubang perforasi hanya berpengaruh nyata terhadap TPT sawi hijau pada hari ke-6 penyimpanan. Berdasarkan uji indeks efektifitas, perlakuan terbaik dalam penelitian ini adalah kemasan plastik LDPE dengan 4 lubang perforasi
SANITASI DAN HACCP BAHAN BAKU PRODUK MINUMAN DAN DODOL LIDAH BUAYA Nelsy Dian Permatasari; T. Winny Kurniawan; Fransiska Fransiska

Publisher : Program Studi Ilmu dan Teknologi Pangan, Universitas Yudharta, Pasuruan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (93.447 KB) | DOI: 10.35891/tp.v8i2.643

Abstract

Pengabdian kepada masyarakat bertujuan memperbaiki dan menerapkan prosedur standar operasional sanitasi (SSOP) dan menerapkan manajemen mutu HACCP (Hazard Analysis and Critical Control Point) pada setiap tahap pengolahan yang akan menjamin potensi bahaya pada bahan pangan dapat dikendalikan secara sistematis. Target khusus yang ingin dicapai adalah peningkatan kualitas dan kuantitas produk, produk tahan lama, proses pengolahan bersih, diterapkannya dokumen SSOP dan HACCP dengan benar dan terus menerus. Metode yang dipakai adalah memberikan penyuluhan dan diskusi kepada karyawan tentang pelaksanaan SSOP, identifikasi masalah pengolahan dan sanitasi yang ada di UKM I Sun Vera, penyusunan SSOP, diterapkannya SSOP dan memberikan penyuluhan dan melakukan diskusi dengan pemilik I Sun Vera untuk menerapkan manajemen mutu analisis bahaya dan titik kendali kritis (HACCP) pengolahan lidah buaya, penyusunan HACCP, pengaplikasian HACCP. Hasil yang diperoleh menyimpulkan bahwa karyawan UKM I Sun Vera sudah mulai menerapkan SSOP dan manajemen mutu analisis bahaya dan titik kendala kritis (HACCP) dalam bahan baku dan produk olahan minuman dan dodol lidah buaya.
Extraction Methods and Bioactivity of Essential Oils from Kesum Leaves (Persicaria odorata): A Short Review Panggulu Ahmad Ramadhani Utoro; Jatmiko Eko Witoyo; Dikianur Alvianto; Nelsy Dian Permatasari
SPIZAETUS: JURNAL BIOLOGI DAN PENDIDIKAN BIOLOGI Vol 3, No 3 (2022): Spizaetus: Jurnal Biologi dan Pendidikan Biologi
Publisher : Universitas Nusa Nipa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55241/spibio.v3i3.82

Abstract

Persicaria odorata (Synonym of Polygonatum odoratum and Polygonum minus) leaves, locally known as Kesum leaves, is one of Indonesia's biodiversity species, particularly on Kalimantan Island, and it is contained a high concentration of essential oils. The extraction of essential oil from Kesum leaves commonly uses various methods, including solvent extraction, steam distillation, hydro-distillation, supercritical fluid extraction, microwave-assisted extraction, ultrasonic-assisted extraction, and so on, with various extract characteristics produced. Several studies reported that Kesum leaves essential oil has numerous advantages, including anti-bacterial, hepatoprotective, anti-tyrosinase, antioxidant properties, and so on. Future research will require additional and new techniques, particularly non-thermal extraction technology and other bioactivity tests, to improve yield and maintain the essential oil composition of Kesum leaves. 
Virtual Prediction of Zerumbone Compound in Lempuyang as Anti-Bacterial Agent Through In-Silico Approach Jatmiko Eko Witoyo; Nelsy Dian Permatasari; Panggulu Ahmad Ramadhani Utoro
Metamorfosa: Journal of Biological Sciences Vol 10 No 2 (2023)
Publisher : Prodi Magister Ilmu Biologi, Fakultas MIPA, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/metamorfosa.2023.v10.i02.p11

Abstract

A native herbaceous plant of Southeast Asia, lempuyang is also widely distributed in Indonesia. This plant's primary bioactive component, Zerombone, has a variety of bioactivities, including an anti-bacterial effect. Typically, transglycosylase and alanine racemase were necessary proteins for forming peptidoglycan membranes and are now frequently used as anti-bacterial targets. Thus, using an in-silico approach, this work assessed the interactions between the zerumbone and the protein targets. The PubChem database was searched for the zerumbone compound (CID 5470187). Transglycosylase (PDB code: 1SLY), alanine racemase (PDB code: 4WR3), and the control protein target were also obtained from the PDB database. The Molegro Virtual Docker 5.0 version and the Discovery Studio application 21.1.1 versions were used to interface with and visualize the protein target and zerumbone compound. The result demonstrated that, like the control, the zerumbone compound in lempuyang blocks the active sites of the transglycosylase and the alanine racemase. The zerumbone-alanine racemase complexes additionally showed lower energy binding than other complexes. In conclusion, zerumbone in lempuyang can be a new candidate for anti-bacterial agents by inhibiting the synthesis of membrane peptidoglycan via suppressing transglycosylase and alanine racemase activities.
In Silico Screening of Syzygium myrtifolium Flavonoid Compoinds as Anti-bacterial Activity: In Silico Screening of Syzygium myrtifolium Flavonoid Compounds Nelsy Dian Permatasari; Jatmiko Eko Witoyo; Masruri; Sudarminto Setyo Yuwono; Simon Bambang Widjanarko
Journal of Tropical Life Science Vol. 12 No. 3 (2022)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.12.03.02

Abstract

Bacterial infection and antibiotic resistance are popular issues nowadays. Several pre[1]vious reports performed antibacterial screening activities involving natural herbs and synthetic drugs. Alanine racemase and transglycosylase are essential proteins for peptidoglycan membrane synthesis in bacteria and an alternative target for antibacterial performance. This study identified six flavonoid compounds in Syzygium myrtifolium to perform the antibacterial activity. In silico study was conducted for modelling flavonoids – protein complexes. Five flavonoids from S. myrtifolium were taken out of he canonical smiles from the PubChem database and modelled three-dimensional structure using ChemDraw and molView. Targeted protein, alanine racemase and transglycosylase were downloaded from Protein Data Bank with ID 4WR3 and 1SLY. Ligands and proteins were interacted by Molegro virtual Docker 5.0 and visualized by Discovery studio version 21.1.1. Five flavonoids showed inhibition with alanine racemase and transglycosylase in the same active sites of control and sodium benzo[1]ate. According to the binding energy, calopiptin performed the lowest binding energy value in alanine racemase complexes, while 2-Propanone, 1,3-bis(5-nitro-2-furanyl) showed the lowest value of four other flavonoids at transglycosylase complexes. The type of interactions were electrostatic, hydrogen bonds, hydrophobic interactions and unfavorable ones. Low binding energy and varied interaction types indicated tight of ligand-protein interaction. In summary, five flavonoids inhibited alanine racemase and transglycosylase, and the peptidoglycane membrane synthesis in bacteria might be inferred.
Kajian Pustaka Karakteristik Fisiko-Kimia Jagung dari Nusa Tenggara Timur, dan Produk Turunan Tradisionalnya Hyldegardis Naisali; Jatmiko Eko Witoyo; Panggulu Ahmad Ramadhani Utoro; Nelsy Dian Permatasari
AGRICA Vol. 16 No. 2 (2023): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v16i2.3006

Abstract

Corn is a carbohydrate-based food source in the East Nusa Tenggara (ENT) region and is the second staple food after rice. Corn has been a hereditary food ingredient in the ENT region from generation to generation with various local names. However, comprehensive literature studies discussing productivity, diversity, physicochemical characteristics, and traditional corn derivative products from ENT are still rare and limited. The purpose of writing this article is to review corn from ENT by emphasizing aspects of productivity, variety, physicochemical characteristics, and its traditional derivative products from various scientific sources. Literature studies showed that ENT's estimated corn production in 2021 is 750,166 tons from the three cultivated types: local, superior free-range, and hybrid. ENT's local corn has a variety of physical diversity, especially regarding grain color. Regarding chemical characteristics, ENT's local corn has a relatively complete nutritional and mineral content and is suitable for food. The local people of ENT have many traditional derivative products from corn with a total of >10 types of food, which are still sustainable from generation to generation and are processed simply with maintaining local wisdom. One famous traditional and ethnic food from ENT is "Jagung bose".
PROFIL FITOKIMIA DAN BIOAKTIVITAS EKSTRAK DAUN SAWO: SEBUAH ULASAN ILMIAH Utoro, Panggulu Ahmad Ramadhani; Permatasari, Nelsy Dian; Witoyo, Jatmiko Eko
CHEMTAG Journal of Chemical Engineering Vol 5, No 2 (2024): CHEMTAG Journal of Chemical Engineering
Publisher : Universitas 17 Agustus 1945 (UNTAG) Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56444/cjce.v5i2.5120

Abstract

The utilization of traditional medicinal plants in Indonesia is an integral part of community medicine practices. Manilkara kauki and Manilkara zapota leaves are medicinal plants that attract attention due to their bioactive compound content and have been used traditionally for a long time. However, scientific reviews of the phytochemical profile and bioactivity of sapodilla leaf extracts, both Manilkara kauki and Manilkara zapota, are still limited. This review aims to discuss in-depth and comprehensively sapodilla leaf extracts, both Manilkara kauki and Manilkara zapota, especially phytochemical profiles and their bioactivity. This scientific review uses a literature study approach with data from 2012-2024 obtained from open-access platforms, especially Google Scholar.  The study results showed that the phytochemical compounds found in the extracts of Manilkara kauki leaves included flavonoids, glycosides, tannins, saponins, steroids/terpenoids, and alkaloids. In contrast, the phytochemicals found in the extracts of Manilkara zapota were flavonoids, tannins, saponins, steroids, terpenoids, and alkaloids. Manilkara kauki leaf extract has many bioactivities including anti-bacterial, anti-diabetic, anti-fungal, antioxidant, and anti-tyrosinase. Meanwhile, Manilkara zapota leaf extract also showed antibacterial, antidiabetic, antioxidant, and anti-diarrhea activities. Further research is needed to optimize the therapeutic potential of these two plants.
Karakteristik Fisiko-Kimia Bunga Turi (Sesbania grandiflora) dan Potensinya sebagai Ingridien Pangan: Kajian Pustaka Witoyo, Jatmiko Eko; Utoro, Panggulu Ahmad Ramadhani; Brahmanti, Ajeng Astrini; Permatasari, Nelsy Dian
Jurnal Teknologi Pangan Vol 18, No 2 : DESEMBER 2024
Publisher : UPN VETERAN JAWA TIMUR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/jtp.v18i2.4814

Abstract

Bunga turi (Sesbania grandiflora) merupakan salah satu edible flower yang banyak ditemukan di berbagai wilayah di belahan dunia, termasuk Indonesia, dan memiliki efek farmakologis menguntungkan bagi manusia. Namun pemanfaatannya masih terbatas dan kurang optimal.  Tujuan  penelitian ini mengulas mengenai karakteristik fisiko-kimia bunga turi dan produk turunannya, meliputi fitokimia, komposisi nutrisi, dan aktivitas antioksidan serta potensinya sebagai ingridien pangan menggunakan pendekatan studi literatur dengan berbasis data dari  open access sources, seperti Google Scholar, dan basis data online lain yang relevan. Hasil studi literatur menunjukkan bahwa  secara fisik, bunga turi memiliki 2 warna yang berbeda, yaitu turi merah dan putih dengan tipe bunga majemuk.  Secara kualitatif, bunga turi segar dan produk turunannya mengandung berbagai macam senyawa fitokimia, termasuk alkaloid, terpenoid, steroid, triterpenoid, tanin, fenol, sterol, flavonoid, dan saponin. Selain itu, bunga turi segar dan produk turunannya juga memiliki kandungan senyawa bioaktif beragam seperti fenolik, flavonoid, antosianin (terutama pada bunga turi merah), dan karotenoid, serta kaya akan karbohidrat, serat, protein, vitamin, dan mineral, rendah lemak, dan memiliki aktivitas antioksidan yang cukup tinggi, yang berpotensi menjanjikan untuk dijadikan ingridien pangan .Penelitian lebih lanjut diperlukan untuk mengeksplorasi aplikasi bunga turi dan produk turunannya pada produk pangan untuk pengembangan dan diversifikasi produk makanan berbasis bunga turi.
Effect of Adding Different Active Substances on Inhibition Zone Diameter and Microstructural Properties of Composite Bioplastics Permatasari, Nelsy Dian; Witoyo, Jatmiko Eko; Susilo, Donor Utomo M.; Saraswati, Ayu Rahayu; Masruri; Yuwono, Sudarminto Setyo; Widjanarko, Simon Bambang
Jurnal Pangan dan Agroindustri Vol. 13 No. 1 (2025): January 2025
Publisher : Department of Food Science and Biotechnology, Faculty of Agriculture Technology, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpa.2025.013.01.2

Abstract

This study identifies the phytochemical compounds in ethanolic extracts of Syzygium myrtifolium leaves, applies it to developing composite bioplastics as a natural antibacterial agent, and compares it with composite bioplastics prepared with sodium benzoate, particularly regarding inhibition zone diameter and microstructure. The results showed that the phytochemicals were identified in the ethanolic extract of Syzygium myrtifolium leaves, like flavonoids, alkaloids, tannins, phenolics, terpenoids, and saponins. LC-MS confirming bioactive in it as auraptenol, calopiptin, quercetin-3-O-β-D-glucuronide, and quercetin-3-O-L-arabinopyranoside. Moreover, in vitro tests showed that composite bioplastics with the ethanolic extracts of Syzygium myrtifolium had inhibition zone diameter against E. coli, similar to those with sodium benzoate added. Additionally, the microstructure of the composite bioplastics with the ethanolic extracts of Syzygium myrtifolium was rougher, irregular, and more porous than those of another. It indicated that the ethanolic extract of Syzygium myrtifolium leaf could be used as a natural antibacterial agent to replace the chemical agent.  
Kajian Potensi Tepung Umbi Uwi Ungu (Dioscorea alata) Asal Kalimantan Barat sebagai Kandidat Bahan Baku Pembuatan Bioplastik Permatasari, Nelsy Dian; Naisali, Hyldegardis; Utoro, Panggulu Ahmad Ramadhani; Witoyo, Jatmiko Eko
Jurnal Ilmiah Pangan Halal Vol. 7 No. 1 (2025): Jurnal Ilmiah Pangan Halal
Publisher : Universitas Djuanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30997/jiph.v7i1.16099

Abstract

Umbi uwi ungu (Dioscorea alata), dikenal sebagai keribang di Kalimantan Barat, memiliki potensi besar sebagai bahan baku bioplastik ramah lingkungan. Artikel ini bertujuan mengkaji potensi tepung umbi uwi ungu berdasarkan kandungan kimia, bioaktif, dan prospek aplikasinya. Tepung ini kaya akan pati dan polisakarida larut air yang penting untuk membentuk bioplastik. Selain itu, senyawa bioaktif seperti antosianin dan fenolik memberikan kapasitas antioksidan tinggi, meningkatkan stabilitas termal dan sifat fungsional lainnya. Kajian ini dilakukan dengan metode studi pustaka, menganalisis literatur dari tahun 2004 hingga 2024. Hasil penelitian menunjukkan bahwa tepung umbi uwi ungu memiliki potensi sebagai bahan baku bioplastik, namun diprediksi memiliki sifat mekanik kurang baik, seperti ketahanan terhadap air dan fleksibilitas. Untuk meningkatkan sifat mekaniknya perlu ditambahkan bahan lain, seperti plasticizer, polisakarida, atau zat aktif, baik zat aktif sintetis maupun alami. . Meskipun demikian, bahan ini berpotensi besar untuk mendukung keberlanjutan dengan mengurangi limbah plastik. Dengan penelitian lebih lanjut, tepung umbi uwi ungu dapat dikembangkan menjadi solusi inovatif untuk bahan kemasan ramah lingkungan di masa depan.