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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Abditani : Jurnal Pengabdian Masyarakat JPPM (Jurnal Pengabdian dan Pemberdayaan Masyarakat) Serambi Journal of Agricultural Technology Prosiding Seminar Nasional Universitas Serambi Mekkah
Rita Sunartaty
Prodi Teknologi Pangan, Fakultas Teknologi Pertanian, Universitas Serambi Mekkah
Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Environmental Science Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Other

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Innovation of Natural Preservation of Mackerel (Rastrelliger kanagurta) Using Coconut Coconut Ashes with Drying Time Variations on Hedonics Rika Agustina; Rita Sunartaty; Teuku Makmur; Ruka Yulia
Serambi Journal of Agricultural Technology Vol 2, No 2 (2020): Desember
Publisher : Universitas Serambi Mekkah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/sjat.v2i2.2433

Abstract

Coconut frond ash is one of the wastes from coconut trees which has not been maximally utilized. Coconut frond ash contains MgCl2 and KCl so that it can be used as a salt substitute in the process of preserving fish. In this study coconut frond ash was used as a basic ingredient for making dried mackerel with a long time of drying to storage. The purpose of this study was to determine the effect of drying time on mackerel storage. The research design used was a Randomized Block Design (RCBD) with 2 factors studied. The first factor is the drying time consists of 3 levels, namely P1 = 3 days, P2 = 4 days, P3 = 5 days. The second factor is storage which consists of 3 levels, namely S1 = 30 days, S2 = 60 days, S3 = 90 days. Each treatment was repeated 2 times to obtain 18 experimental units to observed hedonic tests. From the results of the study it can be stated that the treatment has a very significant effect (P≥0.01) on the hedonic test which includes (color, aroma, taste and texture).
The Making of Cereal With Subtitution of Soybean Flour (Glycine Max L. Merr) and Pasta Fruit Bit (Beta Vulgaris L) As Natural Dyes Hirwan Amanda; Irmayanti Irmayanti; Rita Sunartaty
Serambi Journal of Agricultural Technology Vol 3, No 1 (2021): Juni
Publisher : Universitas Serambi Mekkah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/sjat.v3i1.2958

Abstract

Making cereals using wheat flour is a problem because the raw materials obtained are more expensive. In addition, wheat flour will have an adverse effect on some people who are sensitive to gluten. One of the best alternatives to wheat flour in the manufacture of cereals to produce low-gluten cereal products is tapioca flour. The purpose of this study is to determine the effect of adding soybean flour, beetroot paste and its interaction on physical and organoleptic characteristics of cereals. The results showed that the best treatment was found in the addition of 60% soybean flour and 85% beetroot paste (K3B3) which produced good quality serela with chemical properties, namely water content of 4.67%, yield 63.00%, water absorption 13, 10%, crispiness in milk 106 seconds, organoleptic test for taste 3.94 (like), aroma 4.10 (like), texture 2.67 (ordinary) and color 3.83 (like).
VALIDASI METODE PENGUJIAN KADAR AIR DENGAN ANALISIS PERBANDINGAN AKURASI DAN PRESISI Fatmawati Fatmawati; Rita Sunartaty; Fahliza Meutia
Serambi Journal of Agricultural Technology Vol 5, No 1 (2023): Juni
Publisher : Universitas Serambi Mekkah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/sjat.v5i1.6214

Abstract

Validasi metode presisi dan akurasi adalah proses untuk mengevaluasi sejauh mana metode pengukuran memberikan hasil yang konsisten (presisi) dan mendekati kebenaran (akurasi) dalam pengujian atau evaluasi yang dilakukan.Dalam pengujian kadar air, nilai presisi (0.155%, 0.816%, 0.38%, dan 0.24%) menunjukkan persentase hasil yang dianggap relevan atau benar. Semakin tinggi nilai presisi, semakin tinggi tingkat akurasi atau ketepatan pengujian tersebut. Nilai akurasi (93%, 96%, 91%, dan 93%) menunjukkan persentase keberhasilan atau ketepatan hasil atau prediksi dalam pengujian. Tingkat akurasi yang lebih tinggi dianggap lebih baik dalam evaluasi atau pengujian tersebut. Penting untuk mempertimbangkan standar dan kriteria yang relevan dalam penilaian presisi dan akurasi dalam konteks pengujian kadar air.
Biocompatible Zn(II) Adsorption Using Tofu-Waste Polyurethane: Effects on Moisture, Ash Content, and pH of Oysters rita sunartaty; Irmayadani
Jurnal Penelitian Pendidikan IPA Vol 11 No 10 (2025): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i10.11911

Abstract

This study aimed to evaluate the performance of a tofu-dregs-based polyurethane adsorbent in removing Zn(II) ions and to examine its effects on the moisture content, ash content, and pH variation in oysters (Crassostrea spp.), as well as to assess compliance with Indonesian National Standards. The method used in this study involved exposing fresh oysters to ZnSO₄ solutions at concentrations of 2, 4, and 6 ppm for 60 minutes in the presence of the composite adsorbent. Moisture content was determined gravimetrically at 105 °C, ash content by dry ash at 550 °C, and pH was monitored throughout the contact period. The results showed that the moisture content of fresh oysters remained stable at 89–91% before and after adsorption, while dried oyster samples had reduced moisture levels of 11.0–11.8%, meeting the ≤ 12% limit for dried products. The ash content of the adsorbent increased from 3.00% to 7.80–9.60%, indicating effective retention of Zn(II) ions, whereas the ash content of oysters remained relatively constant at 1.90–1.96%, suggesting minimal accumulation of metal ions in the tissues. A gradual increase in solution pH during the adsorption process confirmed chemical interactions between Zn²⁺ ions and functional groups on the adsorbent surface. These findings demonstrate that the tofu-dregs-based polyurethane adsorbent is effective for Zn(II) removal while maintaining oyster quality within national safety standards, highlighting its potential as an environmentally friendly material for heavy-metal remediation.
Utilization of Calophyllum inophyllum L. (Nyamplung) from Aceh as an Antioxidant Compound in Transparent Solid Soap Liya Fitriyana; Rita Sunartaty
Jurnal Penelitian Pendidikan IPA Vol 11 No 10 (2025): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i10.12824

Abstract

Nyamplung (Calophyllum inophyllum L.) is a plant commonly found in coastal areas and lowlands. In Aceh, it is locally known as boeh beunot, a coastal species that grows easily and has various local names in different regions. This plant belongs to the Clusiaceae Lindl. Family and can be propagated both vegetatively (cuttings) and generatively (seeds). Nyamplung begins to bear fruit at the age of 5–20 years and can produce throughout the year, with peak harvest occurring in May–June. Fruit production can reach up to 20 tons/ha/year or approximately 250 kg/tree/year. In this study, nyamplung seeds originating from Aceh Province were utilized as a source of bioactive compounds for the formulation of transparent solid soap with antioxidant properties. The research stages included sample preparation (drying, peeling, and size reduction into powder), followed by extraction using the maceration method. Extraction optimization was carried out using the Response Surface Methodology (RSM) approach with Box-Behnken Design (BBD), involving three main factors (sample amount, extraction time, and solvent volume) at three levels (low, medium, and high). The obtained nyamplung seed extract was characterized through phytochemical analysis, GC-MS testing, and antioxidant activity assays. Optimization results indicated the best conditions were achieved with 200 g of sample, 1,000 mL of solvent, and 36 hours of extraction, yielding antioxidant activity with an IC₅₀ value of 18.5 ppm. Phytochemical tests identified the presence of phenolics, flavonoids, terpenoids, steroids, and saponins. The extract with the highest antioxidant activity was subsequently formulated into antioxidant transparent solid soap. Characterization of the transparent soap formulated with nyamplung seed oil showed a pH of 10.53, which remains within the safe range for alkali-based soaps. The measured moisture content was 15.05%, indicating good physical stability and a low risk of microbial growth. Furthermore, skin irritation tests revealed no signs of redness, itching, or allergic reactions, confirming that the soap is safe for human skin.
Co-Authors Chairuni AR Dewi Ermaya Fahliza Meutia Fatmawati Fatmawati Hidayat, Fadlan Hirwan Amanda Irmayadani Irmayanti Irmayanti Juliani Juliani Liya Fitriyana Liya Fitriyana, Liya Lukmanul Hakim M Daud AK Masyudi Nailul Hidayat Rika Agustina Ruka Yulia Salfauqi Nurman Salfauqi Nurman, Salfauqi Sholihati Sholihati T. Makmur