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Jurnal Litbang Industri
Published by Balai Riset dan Standardisasi Industri Padang
ISSN : 22523367     EISSN : 25025007     DOI : http://dx.doi.org/10.24960/jli.v12i1.7464.27-32
Core Subject : Science,
Chemistry
Jurnal Litbang Industri (JLI) is a scientific journal published regularly twice a year in June and December. JLI contains primary articles or reviews are sourced directly from results of industrial research such as processing of agricultural products, food processing, fishing industry, mining industry, industrial standardization, and pollution control. All submissions are reviewed by qualified reviewers in their field.
Arjuna Subject : Kimia(semua kategori) - Kimia (Lain-Lain)
Articles 14 Documents
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Search results for , issue "Vol 12, No 2 (2022)" : 14 Documents clear
Komposisi kimia fraksi minyak nilam dan minyak serai wangi serta aktifitas antioksidannya Dwinna Rahmi; Bumiarto Nugroho Jati; Yemirta Yemirta; Ira Setiawati; Retno Yunilawati; Arief Riyanto; Irwinanita Irwinanita
Jurnal Litbang Industri Vol 12, No 2 (2022)
Publisher : Institution for Industrial Research and Standardization of Industry - Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24960/jli.v12i2.7758.129-135

Abstract

Minyak nilam dan serai wangi merupakan minyak atsiri utama Indonesia dan penyumbang tertinggi minyak atsiri dunia. Minyak atsiri terdiri dari komponen kimia, yaitu komponen ringan, sedang, dan berat. Penelitian ini bertujuan untuk mendapatkan fraksi dan menentukan komposisi kimia serta aktivitas antioksidannya. Alat destilasi spinning band destillation digunakan untuk fraksinasi minyak mentah pada suhu dan tekanan tertentu. Komposisi kimia ditentukan menggunakan GC-MS dan antioksidan ditentukan dengan metode DPPH. Kromatogram GC-MS mendeteksi 20 komponen  dalam fraksi minyak nilam dan 35 komponen dalam fraksi minyak serai wangi. Komponen utama fraksi-1 pada minyak nilam adalah α dan β pinene, fraksi-2 adalah β-patchoulene dan α-quaiene, fraksi 3 adalah α dan δ quaiene, fraksi 4 dan 5 adalah patchouli alcohol. Komponen utama fraksi-1 minyak serai wangi adalah limonene dan citronellal, fraksi-2 dan 3 adalah citronellal, dan geraniol dalam fraksi-4 dan 5. Aktivitas antioksidan fraksi minyak nilam tidak berbeda nyata, sedangkan aktivitas antioksidan fraksi-5 minyak serai wangi signifikan lebih tinggi dibandingkan fraksi lainnya. Komponen geraniol dan cardinene dengan gugus phenolnya berkontribusi terhadap aktivitas antioksidan.
Front Matter Jurnal Litbang Industri Vol. 12 No. 2 Desember Tahun 2022 Sofyan Sofyan
Jurnal Litbang Industri Vol 12, No 2 (2022)
Publisher : Institution for Industrial Research and Standardization of Industry - Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24960/jli.v12i2.7962.i-ii

Abstract

Front Matter Jurnal Litbang Industri Vol. 12 No. 2 Desember Tahun 2022
Pendugaan umur simpan mi kering dari tepung komposit (jagung-singkong) menggunakan metode akselerasi arrhenius Rima Kumalasari; Dewi Desnilasari; Sherren Pratama Wadhesnuriba; Sumartini Sumartini
Jurnal Litbang Industri Vol 12, No 2 (2022)
Publisher : Institution for Industrial Research and Standardization of Industry - Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24960/jli.v12i2.7627.137-142

Abstract

Penelitian pembuatan mi jagung kering untuk diversifikasi produk non gandum telah dilakukan. Penelitian ini bertujuan untuk mengkaji perubahan mutu (organoleptik, kimia dan mikrobiologis) pada produk mi jagung selama penyimpanan dan mendapatkan pendugaan umur simpan produk mi jagung dengan metode Arrhenius. Produk disimpan pada suhu 8oC, 28oC, 38oC, dan 48oC selama 8 minggu dan diamati perubahan mutunya. Parameter mutu yang diamati adalah kadar FFA, kadar air, total mikroba, warna, rasa, dan aroma tengik. Umur simpan diduga menggunakan metode Arrhenius. Hasil penelitian menunjukkan mi jagung kering mengalami penurunan mutu selama 8 minggu yang ditandai dengan meningkatnya asam lemak bebas dan aroma tengik serta menurunnya warna dan rasa. Tetapi mi jagung kering relatif stabil selama penyimpanan berdasarkan parameter  kadar air dan total mikroba. Pada suhu penyimpanan 28oC berdasarkan parameter kritis sensoris rasa. (nilai  Ea = 593,75 kal/mol), yaitu 10,66 minggu. Suhu penyimpanan untuk mi jagung kering yang direkomendasikan adalah 28oC – 38oC.
Aplikasi kitosan sebagai edible coating pada jeruk lemon lokal (Montaji Agrihorti) Wike Rahfani; Vonny Setiaries Johan; Noviar Harun; Yossie Kharisma Dewi
Jurnal Litbang Industri Vol 12, No 2 (2022)
Publisher : Institution for Industrial Research and Standardization of Industry - Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24960/jli.v12i2.7759.157-161

Abstract

Penelitian ini bertujuan untuk mempelajari pengaruh pelapisan kitosan pada jeruk lemon lokal selama penyimpanan dan untuk mendapatkan konsentrasi kitosan yang sesuai untuk memperpanjang umur simpan jeruk lemon lokal. Penelitian ini dilakukan secara eksperimen dengan menggunakan metode rancangan acak lengkap dengan 6 perlakuan dan 3 ulangan. Perlakuan dalam penelitian ini adalah konsentrasi kitosan 1%, 1,5%, 2%, 2,5% dan 3%. Pengamatan dilakukan pada hari ke-0, 4, 8, 12, dan 16 tehadap susut bobot, vitamin C, kekerasan, dan total padatan terlarut. Data yang diperoleh dianalisis secara statistik menggunakan analisis of variance (ANOVA) pada taraf 5%. Sidik ragam menunjukkan penggunaan pelapis kitosan berpengaruh nyata terhadap susut bobot, vitamin C, kekerasan, dan total padatan terlarut. Perlakuan terbaik berdasarkan parameter yang telah diuji adalah jeruk lemon dengan konsentrasi kitosan 3%. Hasil penelitian menunjukkan jeruk lemon yang disimpan hingga 16 hari mengalami susut bobot 10,59%, vitamin C 5,54 mg, kekerasan 1,86 kgf/cm2 dan total padatan terlarut 1,343%.
Back Matter Jurnal Litbang Industri Vol. 12 No. 2 Desember Tahun 2022 Sofyan Sofyan
Jurnal Litbang Industri Vol 12, No 2 (2022)
Publisher : Institution for Industrial Research and Standardization of Industry - Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24960/jli.v12i2.7963.xiv-xvii

Abstract

Back Matter Jurnal Litbang Industri Vol. 12 No. 2 Desember Tahun 2022
Management of lead (Pb) waste post-closing of used battery smelter Ridwan Fauzi; Rita Rita; Siti Masitoh
Jurnal Litbang Industri Vol 12, No 2 (2022)
Publisher : Institution for Industrial Research and Standardization of Industry - Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24960/jli.v12i2.7628.89-96

Abstract

Lead heavy metal (Pb) contamination increases along with the community-managed waste processing of used lead batteries. People living in the vicinity of the lead smelter are at risk of exposure to lead which can have an impact on health. This study aims to identify the level of lead in the environment around post-closure used battery melting. The research used a quantitative descriptive method approach. Data collection was carried out by interview and sampling test. The test sample was taken purposive at two smelting locations, namely Cinangka Village and Jagabaya Village in Bogor Regency, Indonesia. The results showed that there was still lead exposure in the soil and in the plants around the smelting site. The high lead levels that have been found require measurable remediation action. This is to minimize the risks that can be caused to humans who are active around the used battery smelting site. In addition to having a negative impact in the form of lead exposure, lead smelting also provides economic benefits for workers in a smelter. Involving workers in collecting or sorting used batteries is an alternative after closing the smelting site. Meanwhile, smelting activities are only carried out by authorized smelters.
The yield and quality of cassiavera (Cinnamomum burmanii L.) oil at different harvest ages from Malalak farmers in West Sumatra Ardinal Ardinal; Salmariza Sy; Firdausni Firdausni; F Failisnur; Inda Three Anova
Jurnal Litbang Industri Vol 12, No 2 (2022)
Publisher : Institution for Industrial Research and Standardization of Industry - Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24960/jli.v12i2.7875.97-104

Abstract

This study compared the oil yield and identified the quality of cassiavera with plants ages 7 years, 18 years, and random (broken) one. Parameters measured included yield, physicochemical properties, and chemical composition. Based on the results, the oil yield was 1%, 0.9%, and 0.7% at ages 8 and 7 years of upper and lower stem parts, as well as for the broken form. This indicates that the longer plant age correlates with a higher yield. The yield at 7 and 18 years is not much different, hence the harvest can be performed at the age of 7 years considering a shorter waiting period. The physicochemical test of oil solubility in 70% ethanol showed a ratio of 1:1 and a clear appearance according to the maximum requirements of INS (Indonesian National Standard) 06-3734:2006, namely 1:3 clear. Meanwhile, the refractive index (RI) test indicated 1.56 as the best value for cassiavera scion at the age of 7 years in line with INS 06-3734:2006 conditions of 1.559 - 1.595. The chemical composition test for the oil as a whole complied with the minimum standard of INS 06-3734:2006, namely 50% cinnamaldehyde.
Prospects of using peels of Siamese orange young from fruit thinning in waste minimization Firdausni Firdausni; F. Failisnur; Kamsina Kamsina; Inda Three Anova; Salmariza Sy; Ardinal Ardinal
Jurnal Litbang Industri Vol 12, No 2 (2022)
Publisher : Institution for Industrial Research and Standardization of Industry - Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24960/jli.v12i2.7888.143-148

Abstract

Siamese orange (Citrus nobilis) is a local citrus that grows in Mount Omeh, Lima Puluh Kota Regency. The quality is improved through thinning which is the process of removing some of the young fruit. Therefore, this research aimed to use young oranges obtained from thinning fruit in the manufacture of essential oils to reduce waste from citrus plants. Orange peel is converted into essential oil through distillation for 6 hours at 90-1000 C. The results showed that the product obtained had a yield of 0.9% (V/V), pale yellow color, volatility with a specific gravity of 0.84%, refractive index of 1.46, 0.67 acid number, solubility in ethanol 1:19 clear, ester number 27, and 0.02 mg/kg Fe content. The socialization of the use of essential oil and hydrosol in soap making to citrus farmers and industrial craftsmen around the Lima Puluh Kota Regency was also performed. The outcome indicate a positive response from the participants and the local government, thereby increasing the commercial value of oranges.
Optimasi ekstraksi glukomanan pada bulbil porang (Amorphophallus muelleri Blume) Nurlela Nurlela; Lany Nurhayati; Ismanella Ismanella
Jurnal Litbang Industri Vol 12, No 2 (2022)
Publisher : Institution for Industrial Research and Standardization of Industry - Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24960/jli.v12i2.7696.79-88

Abstract

Amorphophallus muelleri Blume atau dikenal sebagai porang merupakan sumber pangan tinggi serat yang berasal dari glukomanan yang terdapat pada bagian umbi. Selain pada bagian umbi, glukomanan juga dapat ditemukan pada bagian bulbil (umbi daun) dengan kadar sebesar 25-30%. Produksi bulbil cukup tinggi, sebagian dijadikan bibit, selebihnya dibuang. Oleh karena itu, penelitian ini dilakukan untuk memanfaatkan bulbil sebagai sumber alternatif glukomanan dan optimasi suhu ekstraksi untuk memperoleh glukomanan dengan kadar tinggi. Esktraksi glukomanan dari bulbil menggunakan pelarut etanol teknis 70% dengan perbandingan bobot sampel terhadap pelarut adalah 1:3 (b/v). Bulbil diesktraksi dalam tiga variabel suhu yaitu, suhu 25, 50 dan 75 °C, serta tepung bulbil digunakan sebagai kontrol negatif. Ketiga sampel esktrak dan tepung bulbil diuji kadar glukomanan dan pemeriksaan gugus fungsi menggunakan Fourier Transform-Infra Red (FT-IR). Kadar glukomanan tertinggi didapatkan dari metode ekstraksi menggunakan suhu 75 °C dengan kadar 30,20% (b/b) basis kering. Sedangkan, kadar glukomanan yang diesktraksi pada suhu 25 dan suhu 50 °C secara berturut-turut yaitu 23,07 dan 27,85% (b/b) basis kering. Analisis gugus fungsi menunjukkan sampel bulbil yang diesktraksi memiliki kemiripan spektrum terhadap glukomanan komersial.
Design of an automatic drinking water filling system using an IoT-based microcontroller for SME P. Paryanto; Pungki I. Laksana; R Rusnaldy; Bambang Riznanto; Heru Kustanto; Gustri Yeni
Jurnal Litbang Industri Vol 12, No 2 (2022)
Publisher : Institution for Industrial Research and Standardization of Industry - Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24960/jli.v12i2.7883.121-128

Abstract

Beverages and other commodities packaged in bottles for small and medium industries (SMEs) generally require a relatively long production time. This process is significantly dependent on the workers' skills to achieve higher production costs and low efficiency. Therefore, this research designed an automated water-filling device for improving and monitoring SMEs productivity in real-time. The system comprises four types of sensors, namely ultrasonic, temperature, TDS (total dissolved solids), and proximity. The ultrasonic and temperature sensors measure the water level and temperature in the holding tank. The TDS sensor measures the value of substances or particles dissolved in the water, while the proximity sensor detects and counts the number of bottles. Sensor readings are displayed on the LCD (liquid crystal display) and can be monitored via a smartphone using the Blynk application. In conclusion, the existing automation system accompanied by an IoT-based monitoring system can help SMEs to check the quality and efficiency of production in real-time.

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