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All Journal Jurnal Kesehatan dan Pembangunan Jurnal Sains dan Teknologi Laboratorium Medik
Eka Farpina
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Biochemistry, Genetics & Molecular Biology Education Health Professions Immunology & microbiology Public Health Other

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Analisis Kadar Vitamin C Pada Jus Buah Nanas Dengan Penambahan Pemanis Alami Dan Pemanis Buatan Berdasarkan Lama Waktu Penyimpanan Linda Sari Dwi Setyaningsih; Eka Farpina; Ganea Qorry Aina
Jurnal Sains dan Teknologi Laboratorium Medik Vol 9 No 2 (2023): November 2023
Publisher : Akademi Kesehatan John Paul II Pekanbaru

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52071/jstlm.v9i2.141

Abstract

Vitamin C is one of the main vitamins needed by humans every day. Pineapple fruit contains vitamin C which can be obtained through direct consumption or consumed after processing, such as into juice. Vitamin C in fruit juice may decrease with the storage time, but the decrease in vitamin C levels can be suppressed by adding sweeteners. The purpose of this study was to determine the presence and absence of differences in vitamin C levels in pineapple juice with the addition of natural sweeteners and artificial sweeteners based on the length of storage time. The type of research used is purely experimental. The study population was all pineapples harvested from pineapple plantations, Tani Bakti Village, Samboja District, Kutai Kartanegara Regency. The sample was pineapple juice made from Queen variety pineapple fruit with 4 variations of 10% concentration sweetener: sucrose, saccharin, cyclamate, and aspartame, and 1 variation of unsweetened control. With 4 variations of storage time namely 0, 30, 60, and 120 minutes. Analysis of vitamin C levels is carried out using the iodimetric titration method. The results of the study found natural sweeteners and artificial sweeteners can suppress the decrease in vitamin C levels in pineapple juice when stored. The data from the study was then carried out static tests and obtained a value of p≤0.05 which showed that there was a difference in vitamin C levels in pineapple juice with the addition of natural sweeteners sucrose and artificial sweeteners saccharin, cyclamate, and aspartame during the storage period. After further static tests were carried out and it was found that based on all storage times there was a significant difference between sucrose-sweetened fruit juice, against control fruit juice with a p-value of ≤0.05. While from pineapple fruit juice other sweeteners did not show any significant difference from control pineapple fruit juice (unsweetened).
ANALISIS KADAR ARSEN (As) PADA AIR SUMUR PETANI DI DESA SUMBER SARI KECAMATAN LOA KULU KUTAI KARTANEGARA Siringoringo, Agnes Sri Yunyartia; Eka Farpina; Ganea Qorry Aina
Jurnal Kesehatan dan Pembangunan Vol 14 No 1 (2024): Jurnal Kesehatan dan Pembangunan
Publisher : LPPM STIKes Mitra Adiguna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52047/jkp.v14i27.268

Abstract

Well water is one of the important needs in agriculture. Where well water can contain heavy metal arsenic in it. The content of the heavy metal arsenic if consumed continuously can be fatal to health. The purpose of this study was to determine arsenic levels in farmer's well water in Sumber Sari Kulu Village, Kutai Kartanegara. The type of research used is descriptive research. The samples in this study were 10 wells in Sumber Sari Village, Kutai Kartanegara, with a total sample of 500 ml. The sampling technique used is total sampling. The variable in this study was the content of the heavy metal arsenic with the data analysis using univariate analysis. Based on the research results, the arsenic levels in samples 1 and 3 were 0.0020 mg/L and 0.0080 mg/L while the other 8 samples did not contain arsenic (0 mg/L). Based on Minister of Health Regulation No. 32 of 2017 well water that meets quality standards is 100%.
Co-Authors Ganea Qorry Aina Linda Sari Dwi Setyaningsih Siringoringo, Agnes Sri Yunyartia