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All Journal Jurnal Pengolahan Hasil Perikanan Indonesia JURNAL ILMIAH PLATAX Jurnal Perikanan dan Kelautan Jurnal Kimia Khatulistiwa BERKALA SAINSTEK Innofarm Jurnal Inovasi Pertanian Jurnal Ilmu Kelautan Spermonde Pharmascience JFMR (Journal of Fisheries and Marine Research) Jurnal Biologi Tropis Indonesian Journal of Pure and Applied Chemistry Jurnal Laut Khatulistiwa Jurnal Akuatiklestari Martabe : Jurnal Pengabdian Kepada Masyarakat Jurnal Kartika Kimia Health Sciences and Pharmacy Journal Jurnal Pengabdian kepada Masyarakat Nusantara Mattawang: Jurnal Pengabdian Masyarakat Jurnal Teknosains Kodepena (Kodepena Journal of Technoscience) Lumbung Inovasi: Jurnal Pengabdian Kepada Masyarakat Jurnal Visi Eksakta Journal of Maritime Empowerment Journal of Community Development Jurnal Teknosains Kodepena (Kodepena Journal of Technoscience) Empiricism Journal Anjoro : International Journal of Agriculture and Business Bakti Budaya: Jurnal Pengabdian kepada Masyarakat Barakuda 45 Literasi: Jurnal Pengabdian Masyarakat dan Inovasi Jurnal Indonesia Mengabdi (JIM) Bina Bahari : Jurnal Pengabdian Kepada Masyarakat Oseanologia Journal of The Indonesian Society of Integrated Chemistry Jurnal Perikanan dan Kelautan Jurnal Indonesia Mengabdi ETNOPEDAGOGI: Jurnal Pendidikan dan Kebudayaan
Warsidah, Warsidah
Program Studi Ilmu Kelautan, FMIPA Universitas Tanjungpura
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Journal : BERKALA SAINSTEK

 1 
Characterization of Seaweed Caragenan Eucheuma cottonii and Its Aplication as Edible coating Supriwanti, Supriwanti; Warsidah, Warsidah; Prayitno, Dwi Imam
BERKALA SAINSTEK Vol 11 No 2 (2023)
Publisher : Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bst.v11i2.33865

Abstract

Seaweed E. cottonii is carragaenophytes or carrageenan-producing plant. Carrageenan has a functions stabilizer, thickener and gel former, so it can be used as edible coating that can maintain fish quality. Tuna has nutritional content per 100 grams such protein around 25-26.2%; water 69.40%; fat 1.50%; and carbohydrates 0.03%. Tuna filets quickly decompose if proper handling is not carried out, it is necessary to apply edible coating because this edible coating can protect the product from air contamination and can prevent microbial growth. This study aims to determine the effect of extraction time characteristics of carrageenan and the appropriate concentration of carrageenan for edilbe coating tuna filet. The extraction process was carried out by heating dried seaweed samples with 8% KOH solution for 1 hour, 2 hours and 3 hours at a temperature of 50˚C. The best characteristics of carrageenan resulted from 2 hours of extraction time with 40% yield, 14.95% water content, 63 dPas viscosity and 12.396 ppm sulfate content. The best carrageenan was applied as edible coating on tuna filets with 3 concentrations, namely 1.5%, 2% and 2.5%, each of which was added with 2 mL of glycerol. Based on the Total Plate Count (TPC), it was found that a carrageenan concentration of 2.5% could prevent bacterial growth in the sample as indicated by the TPC number obtained at 2.7×106, which was lower than the control, which was 1.7×107.
Total Phenol and Antioxidant Activity of Ethanol Extract and Water Extract from Claw Uncariaa gambir Roxb Hartanti, Lucky; Ashari, Asri Mulya; Warsidah, Warsidah
BERKALA SAINSTEK Vol 9 No 3 (2021)
Publisher : Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bst.v9i3.27179

Abstract

Uncaria gambier Roxb is a plant from the Rubiaceae family, belongs to the Bajakah group and has been used empirically in the treatment of various types of diseases in the community. Besides being one of the industrial plants and export commodities produced in Sumatra and Kalimantan, gambier leaves is also used frequently in Indonesia, both for the pharmaceutical and cosmetic industries. As a result, market demand both nationally and internationally have increased. The aim of this research are determination of antioxidant activity of ethanol extract and aqueous extract of gambir claw using 1,1-diphenil-2-picrylhydrazyl (DPPH) and determination of total phenol using Calcetau folin reagent. Gambier plant samples were taken in the forest area around the Tanjungpura University campus, the claws were separated and dried at room temperature, then powdered and extracted by maceration using 70% ethanol pa and aquadest, then the extract was concentrated until it was ready to be tested for antioxidant activity and determination of total phenol. The total phenolic ethanol extract and aqueous extract of gambir claw were 224.66 mg GAE/g extract (GEA : Gallic Acid Eqivalent) and 299.08 mg GAE/g extract, respectively, while the antioxidant potential (IC50) was 39.566 μg/mL and 65.140 μg/mL, and the IC50 for comparison of Vitamin C was 7.02 μg/mL.
Essential Oils Activity of Legundi Leaf (Vitex trifolia L.) as A Repellent for Rice Weevil (Sitophilus oryzae) Jayuska, Afghani; Warsidah, Warsidah; Asikin, Nurul; Widiyantoro, Ari; Aritonang, Anthoni B.
BERKALA SAINSTEK Vol 10 No 1 (2022)
Publisher : Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bst.v10i1.31011

Abstract

Legundi (Vitex trifolia L.) is a plant that contains essential oils. Legundi leaf essential oil has the potential as a more environmentally friendly rice lice repellent. The process of extracting essential oils from Legundi leaves uses the steam-water distillation method. The yield obtained from distillation is 0.10% with a bright yellow color, has a distinctive smell of Legundi oil with a specific gravity of 0.9065 gram/cm3. GC-MS search results showed that Legundi leaf essential oil contains 5 main components, namely 2-β-Pinene (16.18 %), trans-caryophyllene (13.75 %), β-Ocimene (11.16 %), Cyclohexanol (10.03%), and Eucalyptol (5.45%). Testing of repellent activity was carried out on rice lice with variations in volatile oil concentrations of 1%, 5%, 10%, and 20%. The results of the repellent test showed that the highest percentage occurred at a concentration of 20% (P4), which was 56.7%, with an application time of 120 hours (L5). Based on this, it can be said that the greater the concentration of the essential oil used, the higher the percentage of rejection of the population, this also indicates that Legundi leaf essential oil has lice repellent activity (Sitophilus oryzae).
Co-Authors . Apriansyah A. Kushadiwijayanto, Arie A.Nurrahman, Yusuf Abdul Hafiz, Iqbal Ade Hidayat, Ade Agustina, Sella Alfadzri, Andry Amelia, Debie Rizky Amran, Arman Andini, Dina Andryani, Semi Aninda, Dea Apriansyah Ari Widiyantoro Arief Nurrahman, Yusuf Aritonang, Anthoni B. Aritonang, Anthoni Batahan Ashari, Asri Mulya Astuti, Mega Sri Aswandi Aswandi, Aswandi Awlia, Isti Ayyash, Muhammad Yahya Bambang Kurniadi, Bambang BAMBANG SUJATMIKO Cahyany, Brigita Sari Kusuma Dahliana Dahliana dedi irawan Deni Deni Diah Wulandari Rousdy Dwi Gusmalawati Dzul Fadly Edwin Eny Enawaty Fadliah Nur, Andi Denisa Farhaby, Arthur M Fatmadiwi, Anggi Gusti Eva Tavita Haq, Izhar Amirul Hardan, Hardan Harianto Harianto Harianto Harianto, Miko Hasanah, Fadiah Amalia Helena, Shifa Hidayat, Maulana Idawati, Nora Ikha Ikha Safitri Irawan, Suhardi Irwan Irwan Nurdiansyah, Sy. Irwan Nurdiansyah, Syarif Izroil, Uwaiz Maulana Jayatri, Rahmi Jayuska, Afghani Juane, Mega Sari Junaidi, Levy Juniarti Juniarti Kalija, Tedi Ahmad Kasbutin, Hendri Kristianto, Deniomisi Kurniawanalamm Kushadiwijayanto , Arie Antasari Kushadiwijayanto, Arie Antasari Kusuma, Kwirinus Rio Kusumardana, Setra Laili Fitri Yeni Laksmitandari, Gania Ahlul Jannah Listy, Irma Lucky Hartanti, Lucky Lukas, Novan Luis Pernando Mardianto, Tomi Mardini, Delvia Devi Mariana Br. Surbakti Maryani Maryani Maser, Agnes Putri Masriani . Mega Sari Juane Sofiana Meidiantino, Stefans Melia Trianasta Minsas , Sukal Minsas, Sukal Muhardi Muhardi Muliadi Nabil, Ilhan Nail Neva Satyahadewi Nora Idiawati Noyanti, Resti Nur, Widia Nurdiansyah , Syarif Irwan Nurdiansyah, Irwan Nurdiansyah, Irwan Syarif Nurdiansyah, Sy. Irwan Nurdiansyah, Syarif Irwan Nurhamidah, Anggia Nurrahman , Yusuf Arief Nurul Asikin Oktavia Oktavia Oktavia Paulus Paulus Pratiwi, Mutiara Anugerah Prayitno, Dwi Imam Priani , Wina Puji Ardiningsih Putri, Kristina Meissy Andini Raden Mohamad Herdian Bhakti Rafdinal Rafdinal Rahmat Rasmawan Ramadhan Sailendra, Pingkan Retno, Mayang Sari Rini Muharini Risko, Risko Rita Kurnia Apindiati Riza Linda Rody Putra Sartika Rudiyansyah Rudiyansyah Rudiyanto Rudiyanto, Rudiyanto S.J Sofiana, Mega Safitri , Ikha Sakina, Haiwatus Samira Samira Satyahadewi , Neva Selviana, Alya Septianingrum, Rergisza Vika Priscilla Zudianty Siahaan, Jni Walbet Sihotang, Nesya Lia Simamora, Chinda Setia Lestari Sofiana, Mega Sj Sudiono, Gatot Sukal Minsas Suparnawati, Suparnawati Supriwanti, Supriwanti Surya Darma Sy. Irwan Nurdiansyah Syamswisna , Tahirah Hasan Tengku Riza Zarzani N Tia Nuraya Triono, Riski WAHYUNI Waldi Widian Sari, Margareta Lita yasnidar yasir Yuliono, Agus Yunivah, Adinda Yusuf Arief Nurrahman `B Aritonang, Anthoni