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All Journal METANA Teknotan: Jurnal Industri Teknologi Pertanian Agrointek Jurnal Penelitian Pertanian Terapan Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE) TIN: TERAPAN INFORMATIKA NUSANTARA
S. Rosalinda, S.
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Karakteristik dan Komposisi Minyak Atsiri Kulit Jeruk Nipis Pada Berbagai Lama Waktu Penyulingan Menggunakan Metode Hidrodistilasi Fakhira, Qonita Raihani; Nurjanah, Sarifah; Rosalinda, S.
Teknotan: Jurnal Industri Teknologi Pertanian Vol 17, No 3 (2023): TEKNOTAN, Desember 2023
Publisher : Fakultas Teknologi Industri Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/jt.vol17n3.8

Abstract

Kulit jeruk nipis merupakan produk sampingan yang dihasilkan dari pengolahan sari buah jeruk nipis menjadi berbagai produk olahan. Kulit buah jeruk nipis mengandung berbagai senyawa kimia bermanfaat seperti flavonoid, terpenoid, fenolat, limonoid, alkaloid dan minyak atsiri. Minyak atsiri jeruk nipis dihasilkan dari proses ekstraksi. Waktu ekstraksi merupakan salah satu kunci untuk menghasilkan minyak atsiri dengan kualitas baik. Tujuan dari penelitian ini adalah untuk mengetahui karakteristik dan komposisi senyawa kimia yang dihasilkan minyak atsiri kulit jeruk nipis dengan metode ekstraksi air (hidrodistilasi) pada berbagai waktu untuk mendapatkan kondisi terbaik. Penelitian ini menggunakan metode eksperimen dengan menerapkan empat perlakuan yang berbeda yaitu ekstraksi dengan lama waktu 3 jam, 4 jam, 5 jam, dan 6 jam. Parameter yang diamati adalah rendemen, berat jenis, indeks bias, warna dan komposisi kimia minyak atsiri yang dihasilkan. Rendemen minyak atsiri dari waktu ekstraksi 3 jam, 4 jam, 5 jam, dan 6 jam adalah 1,715%, 0,899%, 1,975% dan 1,909%. Berat jenis minyak atsiri 3 jam, 4 jam, 5 jam, dan 6 jam adalah 0,853, 0,851, 0,840 dan 0,862. Indeks bias minyak atsiri hasil ekstraksi selama 3 jam, 4 jam, 5 jam, dan 6 jam adalah 1,478, 1,479, 1,48 dan 1,482. Komposisi kimia minyak atsiri dianalisis menggunakan GC-MS dimana hasil terbaik diperoleh dari waktu ekstraksi 5 jam yang mengandung 86,22% monoterpen, 5,81% seskuiterpen, 1,77% terpinena dan 2,07% aldehida alifatik.
Identifikasi Kadar Vitamin C Ekstrak Rosela (Hibiscus sabdariffa L.) Hasil Ekstraksi Berbantu Gelombang Mikro Rosalinda, S.; Azizah, Ise Wafiq; Nurjanah, Sarifah
Teknotan: Jurnal Industri Teknologi Pertanian Vol 17, No 3 (2023): TEKNOTAN, Desember 2023
Publisher : Fakultas Teknologi Industri Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/jt.vol17n3.2

Abstract

Bunga rosela (Hibiscus sabdariffa L.) merupakan salah satu tanaman yang memiliki banyak manfaat bagi kesehatan, diantaranya memiliki kandungan vitamin C yang cukup tinggi. Vitamin C dibutuhkan oleh manusia untuk menjaga metabolisme tubuh. Vitamin C memiliki sifat mudah teroksidasi oleh udara, panas dan cahaya sehingga diperlukan metode ekstraksi yang tepat untuk memperoleh vitamin C dari ekstrak. Ekstraksi berbantu gelombang mikro merupakan metode ekstraksi modern yang dipilih karena sesuai untuk ekstraksi senyawa termolabil, dapat mempersingkat waktu ekstraksi dan meningkatkan hasil ekstraksi. Penelitian ini bertujuan untuk mengetahui pengaruh level daya, volume dan waktu ekstraksi terhadap kandungan vitamin C ekstrak rosela. Metode penelitian yang dilakukan adalah eksperimental laboratorium dengan analisis deskriptif. Hasil penelitian ini menunjukkan bahwa level daya, volume pelarut dan waktu ekstraksi berpengaruh terhadap kadar vitamin C ekstrak rosela. Vitamin C tertinggi diperoleh pada perlakuan level daya 50%, volume pelarut 300 mL dan waktu ekstraksi 3 menit yaitu sebesar 21,527 mg/100g.
Analisis Minyak Terpentin Hasil Penyulingan di Pabrik Gondorukem dan Terpentin Sindangwangi Rosalinda, S.; Sumirat, Riska
METANA Vol 20, No 1 (2024): Juni 2024
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/metana.v20i1.61287

Abstract

Minyak terpentin merupakan salah satu komonitas ekspor yang potensial. Minyak terpentin yang diperoleh dari getah pinus merkusii mengandung α-Pinene yang digunakan untuk berbagai aplikasi. Pentingnya peranan minyak terpentin dalam berbagai industri dipengaruhi oleh kualitasnya khususnya komponen kimia. Penelitian ini bertujuan untuk mengidentifikasi komponen kimia minyak terpentin dan kualitasnya di Pabrik Gondorukem dan Terpentin (PGT) Sindangwangi Jawa Barat. Penelitian ini menggunakan metode eksperimental laboratorium dengan analisis deskriptif dan studi literatur pada jurnal terakreditasi. Hasil penelitian menunjukkan bahwa 12-16 komponen terpentin teridentifikasi. Komponen kimia minyak terpentin terdiri dari α-Pinena, Kamfena, β-Pinena, β-Mirsena, Dihidro-4-karena, δ-Karena, Simol, Limonena, γ-Terpinena, α-Terpinolena, α-Pinena oksida, Thujol dan Verbenol α-Tujen, β-Palandrena, Cinema, dan Humulena. Selain itu, terpentin memiliki bau yang khas, berwarna transparan, dan kandungan α-pinene sebesar 83,28%, massa jenis 0,888 Kg/m3 dan VOC 1,07%.   Turpentine oil is one of the potential export commodities in Indonesia. Turpentine oil obtained from the sap of Pinus merkusii contains α-pinene, which is used for various applications. The important role of turpentine oil in various industries is influenced by its quality, especially the chemical components. This study aims to identify the chemical components of turpentine oil and its quality at the Sindangwangi Gondorukem and Turpentine Factory (PGT), West Java. This research used a laboratory experimental method with descriptive analysis and a literature study in accredited journals. The results showed that 11–14 turpentine components were identified. The chemical components of turpentine oil consist of α-Pinene, Kamfena, β-Pinene, β-Mirsena, Dihydro-4-carene, δ-Carene, Simol, Limonena, γ-Terpinene, α-Terpinolene, α-Pinene oxide, Thujol and Verbenol, α-Tujen, β-Palandrena, Cinema, and Humulena. In addition, turpentine oil has a distinctive odor, transparency, and α-pinene content of 83.28%, a density of 0.888 kg/m3, and a VOC of 1.07%.
Tahapan Proses Produksi Dan Karakterisasi Bioplastik Dari Limbah Tongkol Jagung Sumirat, Riska; Rosalinda, S.; Mardawati, Efri; Nurliasari, Desi; Kastaman, Roni
Jurnal Penelitian Pertanian Terapan Vol 23 No 4 (2023)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v23i4.2691

Abstract

Plastic is the dominant packaging used by the public, so it has the potential to damage the environment. It is necessary to synthesize raw materials for making plastics that are degraded by microorganisms, namely bioplastics. Bioplastics are packaging materials that are synthesized from natural raw materials so that they can be degraded in the environment. The raw material used is corncob because it is abundant and the benefits are not maximized. Research is needed to examine the stages of the production process and the characterization of bioplastics from corncob waste. The purpose of this study was to examine the stages of the production process and the characterization of bioplastics from corncob waste. This study used a laboratory experimental method with descriptive analysis. The production of bioplastics consists of the stages of making cellulose, cellulose acetate, and bioplastics using the solution casting method. The stages of cellulose isolation include hydrolysis, delignification, pulping, and bleaching, which showed an increase in cellulose content from 32.14% to 79.36%. Cellulose is acetylated to become cellulose acetate and has an acetyl content of 11.70 ± 0.40% with a yield of 121.16 ± 0.98%. The production of bioplastics uses a composition of cellulose acetate and chitosan at 50%:50% (w/w) successively. The resulting bioplastic has a thickness of 0.345 ± 0.024 mm, a density of 0.83 ± 0.03 g/cm3, a moisture content of 13.13%, a biodegradation value of 95.19%, a water resistance of 205.57%, and is transparent. The mechanical properties of bioplastics include a tensile strength of 22.3 N/m, an elongation of 21.11%, and a modulus of elasticity of 0.307 Mpa.
Nitrogen Nanobubbles on Viola cornuta growth and its effect on post-harvest quality Rosalinda, S.; Pusponegoro, Annisa; Alam, Hilman Syaeful; Destiana, Irna Dwi; Nurjanah, Sarifah; Widyasanti, Asri; Fawaiz, Husni Syamil
Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE) Vol 7, No 4 (2024)
Publisher : Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.afssaae.2024.007.04.3

Abstract

Viola cornuta is an edible flower known for its high antioxidant content and aesthetic appearance. Advanced technologies, such as nanobubbles, combined with optimized cultivation methods, can greatly improve floral quality. Nanobubbles, gas bubbles with a diameter of < 200 nm, can increase dissolved gas levels in liquids. This study aimed to analyze the application of nitrogen nanobubbles on Viola cornuta growth and its effect on post-harvest quality. The experiment was carried out where the plants were cultivated in pots with a Nutrient Film Technique (NFT) irrigation system without a gully cover. Nitrogen nanobubbles were dissolved in nutrient solution every 30 minutes in the morning, delivered at a flow rate of 1 liter per minute through a swirling-flow nozzle. The results revealed that the application of nanobubbles during cultivation did not significantly affect most growth parameters, except for fresh weight and color (CIE Lch). However, nanobubbles significantly enhanced post-harvest quality parameters, with the exception of shelf life. Furthermore, nitrogen nanobubbles demonstrated a positive effect flower number, root length, and flower antioxidant activity. This study suggests that nitrogen nanobubles hold potential for improving the quality of Viola cornuta. Future research is recommended to explore the use of drip irrigation system with the same medium as in this study or NFT without a soil medium.
Efek pra-perlakuan menggunakan microwave terhadap kandungan lignoselulosa kulit ari jagung Attaya, Tasyabilla; Rosalinda, S.
AGROINTEK Vol 19, No 3 (2025)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v19i3.21581

Abstract

Corn is one of the abundant agricultural commodities in Indonesia. This abundant production of corn leaves considerable waste. One of the wastes produced is corn pericarps. Corn pericarps contain lignocellulose, whose utilization has not been studied much. This study aims to determine changes in the lignocellulosic content of corn pericarps in the physico-chemical delignification pre-treatment using electromagnetic waves with microwaves with various solvents NaOH 4% and distilled water. The lignocellulose content was tested using the Van Soest method. The results showed that the raw material for corn pericarps contained 50.4% hemicellulose, 14.6% cellulose, and 0.98% lignin. The results of pre-treatment using a microwave with NaOH 4% solvent produced 14.6% hemicellulose, 33.98% cellulose, and 0.6% lignin, and distilled water yielded as much as 50% hemicellulose, 15.58% cellulose, and 0.8% lignin. The pre-treatment method using microwave can reduce lignin levels by up to 38.78% with NaOH solvent and 18.37% with distilled water. In addition, this pretreatment method can also degrade hemicellulose as much as 71.03% with NaOH solvent and 0.8% with aquadest solvent. Thus, the use of NaOH as a solvent showed a much better ability to delignify and degrade hemicellulose than distilled water.
Pemanfaatan Nanobubble Karbon Dioksida untuk Memperpanjang Umur Simpan Tomat: Analisis Susut Bobot dan Kenampakan Visual Rosalinda, S.; Khoiriyah, Nurul; Alam, Hilman Syaeful
TIN: Terapan Informatika Nusantara Vol 6 No 2 (2025): July 2025
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/tin.v6i2.7600

Abstract

Tomatoes, as a horticultural commodity, face major postharvest challenges due to their high water content and continued respiration after harvest, which lead to rapid deterioration. This results in significant economic losses for both farmers and consumers. This study aims to analyze the effect of carbon dioxide (CO₂) nanobubble technology applied through a mist generator on weight loss and visual appearance of tomatoes during storage, as a preventive solution to postharvest damage. The research method involved producing nanobubble solution by injecting CO₂ gas into water using a nanobubble generator to form nanoscale bubbles. The resulting solution was applied in mist form directly onto the tomato surface using a mist generator prior to storage. Evaluation was conducted by quantitatively measuring weight loss and qualitatively assessing visual appearance over a 14-day storage period at room temperature. The results showed that CO₂ nanobubble treatment via mist generator reduced weight loss by up to 4% compared to the untreated control. This technology was also effective in maintaining the freshness and visual quality of tomatoes during extended storage. These findings confirm that carbon dioxide nanobubble application through a mist generator is a promising and environmentally friendly alternative technology for extending the shelf life of fresh horticultural produce.
Optimization of Microwave-Assisted Hydrodistillation from Indonesian White Pepper (Piper nigrum L.) Essential Oils Widyaningrum, Sekar; Nurjanah, Sarifah; Nurhadi, Bambang; Rosalinda, S.; Rienoviar, Rienoviar
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 2 (2025): April 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v14i2.362-371

Abstract

Pepper is one of the agricultural commodities that Indonesia widely exports. Pepper can be processed into various products, including essential oils. Pepper essential oil can be extracted using several methods, including the microwave. This method can speed up the essential oil extraction process. Optimization was carried out using the Box-Behnken design using the three independent parameters: solution ratio, time, and microwave power. The upper and lower limits used for the independent variables are solvent amount of 1,350 mL and 750 mL, time of 90 minutes and 60 minutes, and microwave power of 440 watts and 136 watts. The optimal data generated is treatment with a solvent amount of 1,050 mL, 90 minutes, and 440 watts of power, resulting in validation data of 99.046%. The optimal essential oil treatment gives a specific gravity of 0.8281, a refractive index of 1.4824, solubility in ethanol 1:2, acid number 0.739 mg KOH/g, ester number 19.599 mg KOH/g, and a hue value of 186,38 (green). Oil with optimum treatment also has an IC50 antioxidant activity of 32,919.9 ppm. Keywords: Antioxidant; Extraction; Microwave; Pepper; RSM.
Co-Authors Asri Widyasanti Attaya, Tasyabilla Azizah, Ise Wafiq Bambang Nurhadi Efri Mardawati Fakhira, Qonita Raihani Fawaiz, Husni Syamil Hilman Syaeful Alam Nurliasari, Desi Nurul Khoiriyah Pusponegoro, Annisa Rienoviar, Rienoviar Roni Kastaman Sarifah Nurjanah Sumirat, Riska Widyaningrum, Sekar ‪Irna Dwi Destiana