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Andi Sukainah
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Department of Agricultural Technology Education, Faculty of Engineering, Universitas Negeri Makassar Kampus UNM Parang Tambung, Jalan Daeng Tata Raya, Makassar, South Sulawesi, Indonesia 90224
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Jurnal Pendidikan Teknologi Pertanian
Published by Universitas Negeri Makassar
ISSN : 24768995     EISSN : 26147858     DOI : https://doi.org/10.26858/jptp.v9i2
Core Subject : Education, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Other
Jurnal Pendidikan Teknologi Pertanian is published twice in a year (February and August). The articles in this journal are articles from original research and have never been published in another journal. The scope of this journal includes : Classroom Action Research in Agricultural Technology Education, Food Science and Technology, Agricultural Engineering, Agricultural Industry Technology, Agricultural Product Technology, Fisheries and Marine Sciences, Plantation Product Technology, Post-Harvest Technology, Nutrition and Food.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 13 Documents
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Search results for , issue "Vol. 10 No. 2 (2024): Agustus" : 13 Documents clear
Analisis Kebisingan dan Getaran Mekanis Pengoperasian Mesin Pemipil Jagung pada Kelompok Tani Balagana Amalia, Sri Yeli; Jamaluddin, Jamaluddin; Rauf, Reski Febyanti
Jurnal Pendidikan Teknologi Pertanian Vol. 10 No. 2 (2024): Agustus
Publisher : Agricultural Technology Education Study Program

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/jptp.v10i2.4641

Abstract

Mechanical shelling is by using a corn sheller machine. Where the use of a corn sheller machine produces sounds and vibrations that cause discomfort to the operator. This study aims to analyze the mechanical noise and vibration of the operation of the corn sheller machine at the Balagana Farmers Group. The research method uses an experimental approach, with descriptive data representation in the form of tables and graphs.. The resulting data is primary data. Observation parameters used in this study were noise and vibration. The results showed that the noise level of the corn sheller machine without load at a height of 120 cm obtained a noise level of 98-104.5 dB and at a height of 150 cm the noise level was 97.5-104.5 dB exceeding the NAB (>85 dB SNI). The noise level of the corn sheller machine with a load at a height of 120 cm obtained a noise level of 112.5-119.5 dB and at a height of 150 cm, namely 112-119.5 dB exceeding the NAB (>85 dB SNI). The mechanical vibration level of the corn sheller machine which was carried out at three measurement points was obtained on the machine floor of 5.1 m/s2, the medium vibration level on the upper operator floor was 3.1 m/s2 and the lowest vibration on the lower operator floor was 1.5 m /s2 is below NAV (<6 m/s2).
Kualitas Sale Pisang Goreng Pada Berbagai Tingkat Kematangan Buah Pisang Raja Siem (Musa Acuminata) dan Potensinya Dalam Pendidikan Lingkungan Hidup Diyahwati, Diyahwati; Wiharto, Muhammad
Jurnal Pendidikan Teknologi Pertanian Vol. 10 No. 2 (2024): Agustus
Publisher : Agricultural Technology Education Study Program

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/jptp.v10i2.4646

Abstract

Raja Siem Banana (Musa acuminata) is a type of banana that can be used as a fried banana sale. This study aims to determine the quality of fried banana sale ripeness levels. The method used was a Completely Randomized Design (CRD), the level of ripeness of banana fruit with four levels after picking: 0 day, 1 day, 2 days and 3 days. The parameters observed were water content, total sugar content, oil content, and organoleptic. Analysis of the potential of fried banana sale for environmental management was carried out by reviewing the literature on relevant sources from journals. The study’s proximate water content test results met the standard of 8.79% - 17% (maximum 40%). The lowest total sugar content was 45.11%, and the highest was 70.22%. The lowest oil content was 10%, and the highest was 12.53%, meeting the maximum standard of 30%. The fried banana sales were produced based on the overall preference test. The panellists gave an average score of 4.2 in liking colour, taste, texture, and aroma. Processing Raja Siem bananas into a fried banana sale is one step in seeking optimal environmental conditions due to banana rot to create good environmental conditions.
pH dan Suhu Optimum Aktivitas Enzim Amilase Kapang Termofilik dari Hot Spring Sulili Indrayani, Indrayani; Hambali, Amiruddin; Jusran, Jusran; Putra, Reski Praja
Jurnal Pendidikan Teknologi Pertanian Vol. 10 No. 2 (2024): Agustus
Publisher : Agricultural Technology Education Study Program

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/jptp.v10i2.4859

Abstract

Enzyme activity is greatly influenced by several factors including incubation time, temperature, and pH. This study aimed to determine the optimum pH and temperature of amylase enzyme activity of mold PSA 02 (5) isolated from Sulili hot spring, Pinrang Regency, South Sulawesi, Indonesia. This study was conducted in two stages, the first is determining the optimum pH of amylase enzyme activity where enzyme activity testing carried out at pH 4, 5, 6, 7, and 8. After determination of optimum pH, it continued to determine the optimum temperature of amylase enzyme activity at temperatures of 30, 40, 50, 60, 70, and 80oC. Determination of protein content using the Lowry method and determination of amylase enzyme activity using the Dinitrosalicilyc (DNS) method. The results of this study showed that the optimum pH of amylase enzyme activity is pH 4 with an enzyme activity value of 81.37 U/mL and a specific enzyme activity of 57.61 U/mg, while the optimum temperature of amylase enzyme activity is 50oC with a value of 81.44 U/mL and a specific enzyme activity of 57.74 U/mg. It is interesting to note that the amylase enzyme activity remains high up to a temperature of 80oC with a value of 81.20 U/mL. This study indicates that the amylase enzyme of mold isolate PSA 02 (5) is a thermostable enzyme up to a temperature of 80oC.

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