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All Journal Jurnal Harpodon Borneo Samakia: Jurnal Ilmu Perikanan
Afifah Nurazizatul Hasanah
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Other

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Evaluasi Fisik Body lotion dari Bubur Rumput Laut Ulva lactuca dan Gel Aloe vera Meliyantika, Rindi; Rostiati, Aini; Inas Almira; Insan Fauzy; Moehammad Pramana Hussein; Rena Puji Rahayu; Riva Regina Nabilah; St. Nurul Fadilah; Rifki Prayoga Aditya; Afifah Nurazizatul Hasanah; Ginanjar Pratama
Samakia : Jurnal Ilmu Perikanan Vol 14 No 2 (2023): Samakia: Jurnal Ilmu Perikanan
Publisher : Faculty of Science and Technology University Ibrahimy

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35316/jsapi.v14i2.3337

Abstract

Ulva lactuca contains various bioactive compounds, and has been developed by many recent researchers into cosmetic products, especially for skin. In addition, other types of plants that can be used for cosmetics, namely Aloe vera which has lots of nutrients and vitamins for the skin. This study aims to obtain the best body lotion formulation from U. lactuca and A. vera based on thwphysical evaluation. The process of making body lotion consists of two stages, namely the oil phase and the water phase, then homogenized at 70-75°C. The formulation in the study varied with the addition of U. lactuca and A. vera with a ratio of 1:2 (F1), 1:1 (F2), 2:1 (F3) and F0 as a control treatment. The body lotion formulation with a ratio of 1:2 (F2) has a good moisture level for the skin and a pH value that is suitable for the skin, and all treatments have spreadability that meets the standards. All treatments have an oil-in-water emulsion type. In centrifugal testing no phase is formed. The organoleptic test results for all products ranged from moderate to like. The results of this study indicate that the F1 formulation is the best formulation of all treatments because it has a good pH and moisture value for the skin.
ANALYSIS OF Pseudomonas aeruginosa AND Bacillus subtilis BACTERIA GROWTH IN KNO3 FERTILIZER MEDIA AS NITROGEN BIOREMEDIATION AGENT Afifah Nurazizatul Hasanah; Fitri Afina Radityani; Devi Faustine Elvina Nuryadin; Yesika Sipahutar; Putri Nadia; Jeaneatte Gracia; Sella Oktavia
Jurnal Harpodon Borneo Vol 16, No 2 (2023): VOLUME 16 NO.2 OKTOBER 2023
Publisher : Fakultas Perikanan Dan Ilmu Kelautan Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/harpodon.v16i2.4230

Abstract

Increased population growth is the main cause of increased waste in the environment, especially in water. Increased population growth is the main cause of increased waste in the environment, especially in water. Ammonia, nitrite, and nitrate are forms of inorganic nitrogen, which if they exceed water quality standards, can pollute the environment and are toxic to aquatic biota. However, the toxicity of nitrogen compounds in water can be controlled by microorganisms through nitrification and denitrification processes. In this study, two types of bacteria were used as biological agents in the bioremediation process, Pseudomonas aeruginosa and Bacillus subtilis, which grown anaerobically in media that has been added by KNO3 as a pollutant for 8 days. The results obtained showed that B. subtilis survived for 7 days before entering the cell death phase on the 8th day, while Pseudomonas aeruginosa survived for 5 days and entered the cell death phase on the 6th day. Meanwhile, based on its ability to reduce nitrate, B. subtilis can reduce it up to 99.42%, while P. aeruginosa can reduce it up to 98.26% in 8 days.
Co-Authors Devi Faustine Elvina Nuryadin Fitri Afina Radityani Ginanjar Pratama Inas Almira Insan Fauzy Jeaneatte Gracia Meliyantika, Rindi Moehammad Pramana Hussein Putri Nadia Rena Puji Rahayu Rifki Prayoga Aditya Riva Regina Nabilah Rostiati, Aini Sella Oktavia St. Nurul Fadilah Yesika Sipahutar