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Yelmira Zalfiatri
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PEMANFAATAN TEPUNG UBI JALAR UNGU DAN TEPUNG KELAPA SEBAGAI BAHAN PENSUBSTITUSI TERIGU DALAM PEMBUATAN MI INSTAN AINIL HIFDA DAULAY; YUSMARINI YUSMARINI; YELMIRA ZALFIATRI
Jurnal Sagu Vol 17, No 2 (2018)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (62.318 KB) | DOI: 10.31258/sagu.v17i2.7140

Abstract

The purpose of this research was to get the best formulation of purple sweet potato flour and coconut flour inmaking instant noodles. This study was used a completely randomized design experiment with 5 treatmentand 3 replications that produced 15 exsperimental units. The obtained data were statistically analized usinganalysis of variance (ANOVA). If the F count is high than or equal to F table then continued with DNMRT testat the 5% level. The treatments in this research included TUK1 (wheat flour 90: purple sweet potato flour 0:coconut flour 10), TUK2 (wheat flour 85: purple sweet potato flour 5: coconut flour 10), TUK3 (wheat flour 80:purple sweet potato flour 10: coconut flour 10), TUK4 (wheat flour 75: purple sweet potato flour 15: coconutflour 10) and TUK5 (wheat flour 75: purple sweet potato flour 15: coconut flour 10). Result of analiysis ofvariance showed that the ratio of purple sweet potato flour and coconut flour significantly affected moisturecontent, protein content, acid number, intactness, rehydration time and sensory assessment. The best treatmentinstant noodles was TUK4 which had moisture content 4.25%, protein content 10.84%, acid number 1.34 mgKOH/g, intactness 94.67% and rehydration time 6.10 minutes. Descriptive sensory assessment was purplecolour, purple sweet potato flavor, slightly texture and purple sweet potato taste.
Karakteristik Fisik Lignin pada Serat Tandan Kosong Kelapa Sawit PT. Tunggal Perkasa Plantataions Provinsi Riau Menggunakan Metode Organosolv Angga Pramana; Muhammad Nur Cahyanto; Heni Adhianata; Yelmira Zalfiatri
Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Vol 2, No 1 (2020): JPPL,Maret 2020
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/jppl.v2i1.153

Abstract

Oil palm empty fruit bunches (OPEFB) are solid waste from the palm industry that contains linocellulose in the form of lignin, cellulose and hemicellulose. Lignin using as a binder, adhesive, filler, surfactant, polymer product, dispersant and source of ingredients. The method of isolating lignin can be done by the organosolv method. In the organosolv process, temperature is a factor that will affect the speed of the lignin dissolution reaction. This study aims to determine the physical characteristics of oil palm empty fruit bunches of PT. Tunggal Perkasa Plantations, Regency of Indragiri Hulu, Riau Province. In the study conducted effect of cooking temperature on the isolation process of OPEFB with the organosolv method using acetic acid solvents with 0.1% HCl catalyst. The experimental design used in this study was a Completely Randomized Design consisting of 4 treatments  temperature of  cooking  (60°C,  85°C,  100°C  and  121°C).  L value indicates the brightness of lignin, the higher the L value means that the color of lignin is brighter. The value of Lignin at  100 ̊C was  35.14 while the value of L lignin at 121 C  was  32.245. If  ‘a’ values indicate lignin redness and  ‘b’ values indicate yellowish. The highest yield of OPEFB lignin was obtained using a temperature of 85 °C is 15.87%.
Pengembangan usaha minuman berbasis pangan fungsional “ON SPOT” di Kota Pekanbaru Angga Pramana; Jum’atri Yusri; Evy Rossi; Rusli Rustam; Yelmira Zalfiatri; Rahmayuni Rahmayuni
Unri Conference Series: Community Engagement Vol 3 (2021): Seminar Nasional Pemberdayaan Masyarakat
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/unricsce.3.542-548

Abstract

ON SPOT is a street vendor business engaged in contemporary beverages with the main ingredients of functional food yogurt and kefir. Not long ago, ON SPOT experienced problems in the form of losing its market due to restrictions on community activities during the pandemic, so it had to change the target market from students to housewives to stay afloat. The strategy is to process yogurt and kefir into mambo ice sticks that are more easily accepted by housewives. However, it is necessary to make good business development efforts so that products are more accepted by consumers such as products that have been produced with Good Manufacturing Practice (GMP) standards and have business legality to ensure product quality. The methods carried out in community counseling are in the form of training and mentoring approaches to ON SPOT, so that ON SPOT can develop business better and have business legality. Entrepreneurial devotion activities carried out, produce ON SPOT products produced with GMP standards so as to ensure products are safe to consume and have legality in the form of business licenses.
Pengaplikasian teknologi simbiosis mutualisme mikroalga Chlorella sp. dan agrobost pada limbah cair sagu dengan scale up experiment Yelmira Zalfiatri; Fajar Restuhadi; Yossie Kharisma Dewi; Angga Pramana; Dewi Fortuna Ayu; Ahmad Ibrahim Roni Surya Hasibuan
Jurnal Litbang Industri Vol 12, No 1 (2022)
Publisher : Institution for Industrial Research and Standardization of Industry - Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1034.401 KB) | DOI: 10.24960/jli.v12i1.7426.21-26

Abstract

Pengolahan air limbah secara biologis dilakukan dengan memanfaatkan simbiosis mutualisme antara mikroorganisme atau bakteri dekomposer dengan mikroalga. Penelitian ini bertujuan memperoleh perlakuan yang terbaik dari interaksi mikroalga Chlorella sp dengan bakeri dekomposer Agrobost pada peningkatan skala penelitian. Metode yang digunakan dalam penelitian berupa rancangan acak lengkap (RAL) dengan 5 perlakuan dan 3 ulangan. Penelitian ini menggunakan mikroalga 800 ml/L limbah cair sagu dengan 5 perlakuan Agrobost (0%, 2%, 4%, 6%, dan 8% v/v). Data yang diperoleh dianalisis secara statistik menggunakan ANOVA dan DNMRT pada tingkat 5%. Sidik ragam menunjukkan konsentrasi Agrobost memberikan pengaruh nyata pada COD, BOD, DO dan pH. Perlakuan yang dipilih dari hasil penelitian ini adalah perlakuan P4 yaitu penambahan Agrobost 8%, menunjukkan tingkat reduksi tertinggi yang memiliki nilai COD 203,3 mg/L, BOD 122,3 mg/L, DO 5,89 mg/L dan pH 9,03.
Pengaplikasian teknologi simbiosis mutualisme mikroalga Chlorella sp. dan agrobost pada limbah cair sagu dengan scale up experiment Yelmira Zalfiatri; Fajar Restuhadi; Yossie Kharisma Dewi; Angga Pramana; Dewi Fortuna Ayu; Ahmad Ibrahim Roni Surya Hasibuan
Jurnal Litbang Industri Vol 12, No 1 (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.v12i1.7426.21-26

Abstract

Pengolahan air limbah secara biologis dilakukan dengan memanfaatkan simbiosis mutualisme antara mikroorganisme atau bakteri dekomposer dengan mikroalga. Penelitian ini bertujuan memperoleh perlakuan yang terbaik dari interaksi mikroalga Chlorella sp dengan bakeri dekomposer Agrobost pada peningkatan skala penelitian. Metode yang digunakan dalam penelitian berupa rancangan acak lengkap (RAL) dengan 5 perlakuan dan 3 ulangan. Penelitian ini menggunakan mikroalga 800 ml/L limbah cair sagu dengan 5 perlakuan Agrobost (0%, 2%, 4%, 6%, dan 8% v/v). Data yang diperoleh dianalisis secara statistik menggunakan ANOVA dan DNMRT pada tingkat 5%. Sidik ragam menunjukkan konsentrasi Agrobost memberikan pengaruh nyata pada COD, BOD, DO dan pH. Perlakuan yang dipilih dari hasil penelitian ini adalah perlakuan P4 yaitu penambahan Agrobost 8%, menunjukkan tingkat reduksi tertinggi yang memiliki nilai COD 203,3 mg/L, BOD 122,3 mg/L, DO 5,89 mg/L dan pH 9,03.
Pemanfaatan Simbiosis Mikroorganisme B-DECO3 dan Mikroalga Chlorella sp untuk Menurunkan Pencemaran Limbah Cair Pabrik Kelapa Sawit Yelmira Zalfiatri; Fajar Restuhadi; Taufiq Maulana
Dinamika Lingkungan Indonesia Vol 4, No 1 (2017)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (199.17 KB) | DOI: 10.31258/dli.4.1.p.8-17

Abstract

The purpose of this research was to get the best treatment addition of microorganisms B-DECO3 as a reducing agent contamination of waste pollution palm factory with the addition of microalgae Chlorella sp. This research used a Completely Randomized Design (CRD)with 5 treatments and 3 replications. The treatment used against waste pollution palm factory was P0 (without addition of B-DECO3 microorganisms), P1 (addition 5ml/L of B-DECO3 microorganisms), P2 (addition 10 ml/L of B-DECO3 microorganisms), P3 (addition 15ml/L of B-DECO3 microorganisms), P4 (addition 20 ml/L of B-DECO3 microorganisms). The data obtained were analyzed statistically using Anova and DNMRT at 5 % level. The result showed that the addition of microorganism B-DECO3 had significant affect for COD, BOD, TSS, oil, and pH. The treatment chosen from the result of this research was the P4 treatment which had a value of COD (330,63 mg/L), BOD (94,53 mg/L), TSS (266,46 mg/L), Oil (2,50) and pH (8,64).
Purification of Rubber Seed Oil Using Zeolite Adsorption Method and Noni Extract Addition Dewi Fortuna Ayu; Yelmira Zalfiatri; Raiyan Renadi
Journal of Applied Agricultural Science and Technology Vol. 6 No. 1 (2022): Journal of Applied Agricultural Science and Technology
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (307.15 KB) | DOI: 10.55043/jaast.v6i1.25

Abstract

Rubber seed oil is not currently used optimally, due to the high content of cyanide and free fatty acid. Cyanide and free fatty acid can be decrease using zeolite adsorption process and addition of noni extract. This research aims to study the effect of noni extract for cyanide and free fatty acid of rubber seed oil. Rubber seed oil was purified using the zeolite adsorption method with the addition of 10% by weight of rubber seed oil. Research method used completely randomized design which consists of 4 treatments and each treatment was repeated 4 times. The treatments of noni extract addition were 40%, 45%, 50%, and 55% of total weight of rubber seed oil. Data were statistically analyzed by using analysis of variance and continued with duncan new multiple range test at 5% level. Based on this research, the best treatment was 55% noni extract addition which had average content of cyanide 0,500 ppm, specific gravity 0,862 g/ml, and acid number 4,325 mg KOH/g.
The analysis of supply chain of palm oil in PT. Tribakti Sarimas, Riau Angga Pramana; Yelly Zamaya; Arum Rovarti Ningsih; Farida Hanum Hamzah; Yelmira Zalfiatri; Dihan Kurnia; Nita Rimayanti
AGROINTEK Vol 16, No 3 (2022)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v16i3.13792

Abstract

Supply chain at PT Tribakti Sarimas there are problems in the flow of materials. This research aims to identified supply chain and determine the priority of supply chain strategies at PT Tribakti Sarimas. This study has been conducted at PT Tribakti Sarimas Kuantan Singingi District Riau Province. The research methods used were qualitative descriptive. The respondents for this study are 30 farmers, 5 collectors, and 4 employees of PT Tribakti Sarimas. This research has shown that the supply chain of rubber at PT Tribakti Sarimas in Kuantan Singingi include farmers, collectors, PT Tribakti Sarimas amd consumers. The internal factor evaluation matrix has total score of 2.6919, while the external factor evaluation matrix has total score of 2.3707. The supply chain management strategy result at PT Tribakti Sarimas with AHP method shows that the chosen quantity weight is 0.279 and the chosen main alternative is the company maximizes the use of facilities and infrastructure to improve the quality of CPO with the weight is 0.165. Companies must pay attention to the quality of CPO by utilizing company facilities and infrastructure.
Aktivitas antibakteri sabun transparan dengan penambahan ekstrak kulit nanas [Antibacterial activity of transparent soap with addition of pineapple peel extract] Dewi Fortuna Ayu; Adeline Palma Sari; Yelmira Zalfiatri
Jurnal Teknologi & Industri Hasil Pertanian Vol 27, No 2 (2022): Jurnal Teknologi & Industri Hasil Pertanian
Publisher : Teknologi Hasil Pertanian Fakultas Pertanian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtihp.v27i2.118-130

Abstract

The ability of pineapple peel extract to inhibit Staphylococcus aureus thus it can be applied to a transparent soap.  The effect of pineapple peel extract addition in the inhibitory effect on the growth of Staphylococcus aureus bacteria and quality of transparent soap was studied.  The study used a complete randomized design with five treatments and three replications.  The data was statistically analyzed using ANOVA and continued with DNMRT at the level of 5%.  The treatments were different concentrations of pineapple peel extract addition: 0%, 1,5%, 2%, 2,5%, and 3% in the transparent soap.  The result showed that the variations of pineapple peel extract addition in the making of the transparent soap significantly affected antibacterial activity, water content, amount of fatty acids, free alkali, pH, foam stability, and sensory test.  The selected treatment from this study was 3% addition of pineapple peel extract.  Transparent soap from this treatment had 11.47% water content, 35.35% total fatty acid, 0.22% free alkali, 10.07 degree of acidity, 73.30% foam stability, and 26.36 mm antibacterial activity against S. aureus.  The descriptive test showed that the transparent soap had hard texture, dark brown color, pineapple flavor, and rather transparent.
PEMANFAATAN JERAMI NANGKA DALAM PEMBUATAN MI INSTAN Putri Nada Sirait; Shanti Fitriani; Yelmira Zalfiatri
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 9 (2022): Edisi 2 Juli s/d Desember 2022
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Instant noodles are food product made from wheat flour and ripen after being cooked or brewed using boiling water or hot water in a short time. Instant noodles in this study were made using jackfruit straw. The purpose of this study was to get the selected treatment in the utilization of jackfruit straw on the characteristics of instant noodles. Treatment in the study were the use of jackfruit straw, namely JN1 (puree jackfruit straw 12.5%), JN2 (puree jackfruit straw 25%), JN3 (puree jackfruit straw 37.5%), and JN4 (puree jackfruit straw 50%). The study used a complete randomized design (CRD) with four treatments and four repeats. Data obtained was then statistically analyzed using analysis of variance (ANOVA) and then continued with Duncan’s Multiple Range (DMRT) at 5% level.  The results showed that the use of jackfruit straw significantly affected moisture, ash, protein, crude fiber, elongation, cooking loss, rehydration power, and hedonic sensory test assessment of overall.  JN2 treatment was chosen as the selected treatment which had 4.85% moisture, 0.77% ash, 8.82% protein, 3.87% crude fiber, 23.25% elongation, 8.50% cooking loss, 134.35% rehydration power, and hedonic assessment of overall rating is a bit liked by the panelists. Keywords:jackfruit straw, instant noodles, wheat flour
Co-Authors Adeline Palma Sari Agus Sutikno Ahmad Ibrahim Ahmad Ibrahim Roni Surya Hasibuan AINIL HIFDA DAULAY Akhyar Ali Andesmar Andesmar Angelia Angelia Angga Pramana Angga Pramana Angga Pramana, Angga Anjani Winursito Anne Mudya Yolanda Annisa Nazifa Salman Antoni, Fiki Fadel AR, Nur Hasnah bema, eykel sura Candra Efendi Hasibuan Carles Pernando Chandra Gunawan Chandra, Rani DAULAY, AINIL HIFDA Dewi Fortuna Ayu Dewi, Yossi Kharisma Dewi, Yossie Kharisma Dinda Yusra Danil Dini Aji Pringgondani Eko Herianto Eko Wahyudi EKO WAHYUDI Endyra, Fadlila Erizal Thoyeb eykel sura bema FADLA B. SYARIF Faizah Hamzah Faizah Hamzah Fajar Restuhadi Fajar Yuliandri Fakhruni Alisya Farida Hanum Hamzah Fung, Liem Khe GUSLIKO NURMAN Hakim Santo Hamzah, Farida Hanum Handoko, Tito Harsanto Mursyid Hasnah AR, Nur Hasnah, Nur Heni Adhianata, Heni Idwal Idwal Suripto Idwal Suripto Ihsan, Fikratul Ilhamsyah Azri Imelda Yunita Ishak Alhafis Jum'atri Yusri Jum’atri Yusri Khairunnisa Amanda Kurnia, Ridho Lasron Pahala Tua Nainggolan Luky Prasetyo Luqmanul Hakim M Fazil Melati Savira Habsari MELIYANA MELIYANA Mhd Andry Kurniawan Muhaiminati Adlina Muhammad Luthfi Muhammad Nur Cahyanto Nadya Novianti Dwi Putri Nasution, Addiena Syahvina Netti Herawati Ningsih, Arum Rovarti Nita Rimayanti Nopiani, Yanti Noviar Harun Nul Hakim, Lukman Nur Hasnah NURMAN, GUSLIKO Pasaribu, Jekson Putra, Diswanto Putri Nada Sirait Putri, Mutiara Riyanto Putri, Vivin Jenika Rahmadini Payla Juarsa Rahmah, Anania Rahmayuni Rahmayuni Rahmayuni Rahmayuni, Rahmayuni Rahot Manto Sinaga Raiyan Renadi Ramayuni Ramayuni Randa, Agustian RARA ANIRA Raswen Efendi Renadi, Raiyan Rika Afrianto Ristia, Jeany Riza Fahlevi Rizkiyah Roni, Ahmad Ibrahim Roni, Masyitah Rossi, Evy Rovarti Ningsih, Arum Rozikhin, Rozikhin RUSLI RUSTAM Saitun Saitun, Saitun Salman, Annisa Nazifa Shanti Fitriani Silaban, Mastrina Simbolon, Marita TM Siti Nuraisah Siti Nurhajijah SITI SANTUN MULIA Sunardi Setiaries Sunardi Supranto Supranto Suryo Purwono Taufiq Maulana Taufiq Maulana Trivira Wulansuci USMAN PATO Victor David Vonny Setiaries Johan Wahyudin, Cecep Ijang Wati, Listya Eka Wawan Irawan, Wawan Weni Mulyani Asfi Wulan Kumala Dewi Wulandari, Dwi Seprina Yanti Nopiani Yasa Rudin Yelly Zamaya Yulia Citra Yuliandri, Fajar Yunisa, Fina Yusmarini Yusmarini Zulhardi, Rizky Zulhayada, Nasya