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Rossi, Evy
Jurusan Teknologi Pertanian, Fakultas Pertanian, Universitas Riau, Pekanbaru, Indonesia
Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Nursing Public Health Social Sciences Other

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PEMANFAATAN KELOPAK BUNGA ROSELA SEBAGAI PEWARNA DALAM PEMBUATAN VELVA BUAH NIPAH Budi; Rossi, Evy; Pato, Usman
SAGU Vol. 22 No. 1 (2023): SAGU Journal – Agri. Sci. Tech., Maret, 2023, Vol. 22 : No. 1
Publisher : Fakultas Pertanian Universitas Riau

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This study aimed to obtain the best formulation in the manufacture of velva made from nipah fruit combined with rosella flower petals. This research was conducted experimentally using a completely randomized design (CRD) of four treatments and four replications. The treatments in this study were the ratio of nipa palm pulp (N) to rosella flower petal pulp (R), namely NR1 = 90:10 (w/w), NR2 = 80:20 (w/w), NR3 = 70:30 (w/w), and NR4 = 60:40 (w/w). The results were statistically analyzed using Analysis of Variance (ANOVA). The results showed that the ratio of nipa palm pulp: to rosella petal pulp significantly affected crude fiber content, acidity, and velva melting time. The results also showed that the treatment affected the velva sensory test parameters, including color, aroma, and taste. Meanwhile, the difference in the ratio of nipa palm pulp: to rosella petal pulp had no significant effect (P>0.05) on the softness of the velva. The hedonic sensory test showed that the ratio of nipah fruit and rosella had a significant effect (P<0.05) on overall velva acceptance. Based on chemical analysis and velva sensory test, the treatment selected in this study was the ratio of nipah fruit pulp to rosella flower pulp 70:30 (NR3) with a fiber content of 1.90%, overrun 30.32%, and acidity 4.70. The velva melting time was 9.10 m, and the sensory assessment had a red color (2.50), soft texture (3.80), slightly fragrant with nipah fruit (2.70), and slightly tasted like nipah fruit (2.60), and overall acceptance liked by panelists (4.40).
PEMANFAATAN KULIT MANGGIS (GARCINIA MANGOSTANA L.) DALAM PEMBUATAN ES KRIM DENGAN VARIASI KONSENTRASI GUM XANTHAN Rahmatun; Pato, Usman; Rossi, Evy
SAGU Vol. 22 No. 2 (2023): SAGU Journal – Agri. Sci. Tech., September, 2023, Vol. 22 : No. 2
Publisher : Fakultas Pertanian Universitas Riau

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Ice cream is a semi solid food made from milk which is very popular with the public. This study aimed to obtain the best concentration of xanthan gum as a stabilizer in the making of mangosteen skin ice cream. Making ice cream to produce attractive colors and contain then properties of mangosteen fruit skin is used. The study used a non factorial completely randomized design (CRD) with six treatments and three replications. The treatments in this study were the addition of xanthan gum concentrations namely P0 (0%), P1 (0.1%), P2 (0.2%), P3 (0.3%), P4 (0.4%), and P5 (0.5%). The results werestatistically analyzed using Analysis of Variance (ANOVA). The calculated F is greater than the F table, so it is continued with the Duncan’s Multiple Range Test (DMRT) at the 5% level. The results showed that the concentration of xanthan gum significantly affected (P<0.05%) total solids, melting point time, overrun, viscosity, and hedonic tests which included taste, softness and overall. However, the treatment xanthan gum concentrations did not significantly influence (P<0.05) the hedonic test namely color. The best treatment in this study was the addition of 0.5% xanthan gum (P5) to the manufacture of mangosteen skin ice cream. Mangosteen skin ice cream had a total solid of 39.80%, melting point time of 15.08 minutes, overrun of 26,73%, viscosity of 13,487.76 cP, and the hedonic score of the panelists was favorable.
MASA SIMPAN SOSIS YANG DIAWETKAN DENGAN PENGAWET ALAMI (BAKTERIOSIN) DAN PENGAWET BUATAN (NITRIT) Hasibuan, Ahmad Ibrahim Roni Surya; Rossi, Evy; Hamzah, Faizah; Shefira, Finda Vallerya
SAGU Vol. 23 No. 2 (2024): SAGU Journal – Agri. Sci. Tech., September, 2024, Vol. 23 : No. 2
Publisher : Fakultas Pertanian Universitas Riau

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Processed foods such as sausages are easily spoiled or damaged due to their relatively high water content. Various preservatives can be added to sausages to maintain quality and extend shelf life. This study aims to determine the type of preservative that is good in extending the shelf life of sausages. The levels of preservatives (P) used were (P1) control, (P2) nitrite 0.3% (b/b), and (P3) bacteriocin 0.3% (v/v) at storage period (S) of (S1) 0 days, (S2) 3 days, (S3) 6 days, and (S4) 9 days. The observed variables were moisture content, ash, fat, protein, total plate count, and hedonic sensory analysis (color, aroma, taste, texture, and overall assessment). The observation results were tested using Analysis of Variance (ANOVA), which DNMRT further tested at the 5% level. The results showed that the interaction between P and S treatments had a significant effect (P < 0.05) on the hedonic organoleptic values of color, aroma, taste, texture, and overall assessment of sausages in each treatment. The preservatives added (P) to the sausage had a significant effect (P<0.05) on the value of moisture content, ash, fat, protein, total plate number, and hedonic sensory assessment. In contrast, the S treatment had no significant effect (P>0.05) on each parameter observed. Based on the results of the study, it can be concluded that the best treatment is P3S4 with preservatives used, namely bacteriocin and storage for 9 days with a moisture content value of 58.51%, ash 2.93%, fat 5.40%, protein 14.95%, total plate number 6x104 CFU/g, and hedonic sensory analysis on color preferred (score 3.54), aroma preferred (score 3.59), taste preferred (score 3.86), texture preferred (score 3.88), and overall assessment preferred (score 3.81) by panelists.
Co-Authors ', Rahmayuni ', Suntoro Ade Syaputra Adiwirman Adiwirman Adiwirman Adiwirman, Adiwirman Afandi, Riyan Agung Kurniawan Ahmad Ibrahim Roni Surya Hasibuan, Ahmad Ibrahim Roni Surya Ahmad Rifai Akhmad Ibrahim R. S. Hasibuan AKHYAR ALI Akhyar Ali Alfi Mawaddah Almasdi Syahza Almira Nugroho Ancela Rabekka Lingga Andarini Diharmi Andriani, Yulia Angga Pramana Anggi Febrian Sibuea, Anggi Febrian Anggita Yuni Aras Mulyadi Ardi, Febrian Arfendi, Arfendi Arnas, Nurhapni Arya Dika Ashari, Mercia Yolanda Astaria Pehulisa, Astaria Atika Zarefar Ayu Diana Bactiar, Alridho Benhard F Situmorang Budi Budi Julianto, Budi BUNGA RIA YULIANA SIAHAAN Dan Mukmin Daniel Chandra Manurung Dede putra pranata Dedy Insan Desli Hernika Sari Siringoringo, Desli Hernika Sari Dewi Fortuna Ayu Dewi Pratiwi Dewi, Yossie Kharisma Djaimi Bakce Djaimi Bakce Dodi Saputra Dodi Saputra Dorlan Simamora Eka Saputri Empi Zulvarino Erpiani Siregar ESPE SIMANJUNTAK F. Hamzah FAHMI SEPTIAN SEMBIRING Faizah Hamzah Fajar Restuhadi Febria Martina Sari Febriana - Sabrian Febrianto, Wegi Eko Febriyani Febriyani Fitria Ulfah Apriani, Fitria Ulfah Gultom, Adi Hizkia Habsari, Narulita Adistia Hamzah, Farida Hanum Handarbeni, Rifqi Gusti HARUN SIANTURI Harun, Noviar ' Hary Love Frendra Ramadhan Haryadi &#039; Heri &#039; Idrus Hirdan Hirdan Hirdan, Hirdan Idwal Idwal Suripto Imelda Yunita Imelda Yunita Iva Ancewita Saragih Jeki Daisa Jum'atri Yusri Jum’atri Yusri kartika, Nilda Kurnia, Deby Lela Natalia M. Bayu Purwanto Manik, Marjohan ' Marwita Marwita Marwita Megawati Saputri Meiyanni Adawiyah Mercia Yolanda Ashari Molerman &#039; Muhammad Akbar Hasibuan Muhammad Luthfi Netti Herawati Netti Herawati Nopiani, Yanti Noven Rae Pangga Noviar Harun Noviar Harun &#039; Harun Nuraisah &#039; R.Agung Surya Prabowo Rahma Dini Rahmatun Rahmatun, Rahmatun Rahmayuni &#039; Rahmayuni &#039; &#039; Rahmayuni Rahmayuni Rahmayuni Rahmayuni, Rahmayuni Ramayuni Ramayuni Rapidos, Rotua Raswen Efendi Rezita Azizah Rianida Yunaira Rici &#039; Mainaki Riftyan, Emma Rinaldi Satria Rizqi Yanra Rosnita Rosnita Rosnita Rosnita Roza Yulida Rudi Muslim RUSLI RUSTAM S.R. Damanik Sadzvirani, Sastiana Salman, Annisa Nazifa Samuel &#039; Saparun Saparun Saputra, Niko Shanti Fitriani Shefira, Finda Vallerya SIANTURI, HARUN SIMANJUNTAK, ESPE Siti Nurhajijah Suherni Safitri Rangkuti Suripto, Idwal Syahrul Syahrul Syahrul Syahrul Syahrul Syahrul Turnip, Titus T USMAN PATO Utari &#039; Pratiwi Ventina Simanjuntak Widia Fitri Yansyah, Nofendri ' Yelmira Zalfiatri Yulia Andriani, Yulia YULIANA SIAHAAN, BUNGA RIA Yusmarini Yusmarini Yusri, Jum’atri Zulfan Saam Zulfidin Zulfidin