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USMAN PATO
Univeristas Riau
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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).
EVALUASI MUTU MINUMAN PROBIOTIK AIR KELAPA MUDA DAN SARI BUAH NAGA MERAH MENGGUNAKAN LACTOBACILLUS FERMENTUM INACC B1295 Ajrin, Syafri; Pato, Usman; Rahmayuni
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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The purpose of this study was to determine the best ratio of coconut water and red dragon fruit juice for making probiotic drink by utilizing Lactobacillus fermentum InaCC B1295. This research was conducted experimentally using a completely randomized design with five treatments and four replications. This study compared coconut water and red dragon fruit juice, specifically P1 (100:0), P2 (90:10), P3 (80:20), P4 (70:30) and P5 (60:40). The experimental parameters in this study consisted of acidity degree, titratable accidity, total LAB, fat level, and sensory characteristics. The data obtained were analyzed statistically by analysis of variance using IBM SPSS 23 Duncan’s New Multiple Range Test at level 5%. The results showed that addition of red dragon fruit juice with different ratio significantly affected the chemical, microbiological, physical and organoleptic assessment of probiotic drinks. The best treatment is P3 treatment (ratio of coconut water and red dragon fruit juice 80:20) with the criteria of 4.91 pH value, 0.66% titratable accidity, 8.93 log CFU/ml total LAB, and 0.81% fat level. Characteristics for descriptive sensory test of the P3 treatment showed slightly purplish red color, typical flavorful fermentation, rather sour and less homogeneous.
KARAKTERISTIK FRUIT LEATHER MANGGA-ROSELA DENGAN KONSENTRASI KARAGENAN BERBEDA Krismawan, Adi; 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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Making fruit leather needs to be added hydrocolloids to improve plasticity that often occurs, especially in raw materials that contain low pectin, such as mango and rosella. One solution that can be done is to add ingredients that have good plasticizing properties, such as carrageenan. The study aimed to obtain the best concentration of carrageenan in the manufacture of fruit leather. This research was conducted experimentally using a completely randomized design (CRD) consisting of five treatments as follows: without the addition of carregeenan (K0); the addition of carrageenans for 0.3% (K1), 0.6% (K2), 0.9% (K3), and 1.2% (K4). The data obtained were analyzed statistically using analysis of variance (ANOVA), then analyzed with duncan’s multiple range test (DMRT) at 5% level. The results showed that addition of various concentrations of carrageenan significantly affected the moisture, ash, fiber content, total sugar, pH value, descriptive color, and descriptive and hedonic texture of the mango-rosella fruit leather but did not significantly influence the hedonic color, aroma, taste, overall assessment, and descriptive aroma and taste. The best treatment in this study was K1 (addition of 0.3% carrageenan) with moisture content 13.88%, ash 0.37%, fiber 5.16%, total sugar 49.72%, pH value 2.97. The K1 treatment had slightly red color description, has a mango and rosella aroma, a sweet, slightly sour taste, and slighlty chewy texture. The average panelist liked the K1 treatment in terms of color, aroma, taste, texture, and overall value.
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.
KONSENTRASI ASAM FOSFAT (H3PO4 ) TERHADAP KARAKTERISTIK ARANG AKTIF DARI TEMPURUNG BUAH NIPAH Saitun; Pato, Usman; Zalfiatri, Yelmira
SAGU Vol. 23 No. 1 (2024): SAGU Journal – Agri. Sci. Tech., Maret, 2024, Vol. 23 : No. 1
Publisher : Fakultas Pertanian Universitas Riau

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This study aims to obtain selected characteristics of activated charcoal made from Nypa fruitcans shell with the help of phosphoric acid as an activator. This study was conducted using a completely randomized design (CRD) with four treatments and four replications. The treatments in this study used some concentration of phosphoric acid namely; H3PO4 7.5%, H3PO410%, H3PO4 12.5%, and H3PO4 15%. Parameters observe were the yield, moisture, ash, volatile matter and pure carbon contents as well as iodine absorption. The data obtained were analyzed statistically using statistical software IBM SPSS version 23 with an analysis of variance (ANOVA) test, if F count ≥ F table and continued with Duncan’s multiple range test (DMRT) at level 5%. The results showed that increasing the concentration of phosphoric acid used significantly affected all parameters on the activated charcoal. Activated charcoal with the best treatment was found in the N4 treatment with a yield 77.78%, moisture content 3.80%, ash content 6.86%, volatile matter content 7.48%, pure carbon content 81.86% and absorption of iodine of 869.27 mg/g.
Co-Authors ', Jumar ', Mukmin ', Rahmayuni .,, Rahmayuni .,, Yusmarini AA Sudharmawan, AA ABDUL K. PARLINDUNGAN ABDUL RAUF Aceng Sehat Ade Syaputra Adi Krismawan Afna Afna Afna Agus Anjar Sumantri Samosir Ahmad Ibrahim Ahmad Rifai Ahmad Rifai Ajrin, Syafri Akhyar Ali Akhyar Ali Anaya, Nurul Fatya Ancela Rabekka Lingga ANDILA, RIYA Annisa Rahma Anwar, Muhammad Zainul Ardi Kurniawan Ardi, Febrian Arfendi, Arfendi Arnizam &#039; Arnizam Arnizam Arya Setiawan Ashari, Mercia Yolanda Asri Tarida Simanjuntak Astaria Pehulisa, Astaria Ayu, Dewi Azli Ananta Ginting Beltaser Tuahta Berlio &#039; Mandriali Budi Dan Mukmin Daniel Chandra Manurung Debby Martha Dira Desyandri Desyandri Dewi Fortuna Ayu Dewi Librianti Dewi, Yossie Kharisma Dini Elfiani Puteri Dony Maylani Edfan Darlis Edo Saputra Eka Saputri Elsa Silvira Elsaputra &#039; Empi Zulvarino Erpiani Siregar ESPE SIMANJUNTAK Evi Sribudiani Fadel Al Barra Fahrozi, Taufik Al Faisal Faisal Faizah Hamzah Fajar Restuhadi Farida Hanum Hamzah Fauzi Afrizal Fitri &#039; Khairunnisa Grażyna Budryn GUSLIKO NURMAN H Siregar Hairul Adhe Agams Hamzah, Farida Hanum Harefa, Wasnidar Hasnah AR, Nur Hirdan Hirdan Hirdan, Hirdan Ilvan &#039; &#039; Irwandi Jaswir Ismi Ilaika Sitompul Jenius Raden Angkasa Jumar &#039; Kamelia Sari Kandhi Darmatika Karnila, Rahman Karnila Krismawan, Adi Kusumaningrum Kusumaningrum Lesmana, Resti Londut Donny Pranata M. Atep Solihin Manogar, Borsak Matius Teddy Ginting Megawati Saputri Meieri Adelila Saragih Mercia Yolanda Ashari Mhd Andry Kurniawan Mikael Franyose Pinem Monica Valentina Therescova Simbolon, Monica Valentina Therescova Muhammad Ali Muhammad Fajar Sidik Muhammad Nur Imam Mukmin &#039; Netti Herawati Nofiyanto Pratama, Nofiyanto Noni Afriani Nopiani, Yanti Noviar &#039; Harun Novri Oksianus Harahap Nur Muslimah NURMAN, GUSLIKO Nurmitha, Rossy Oktopria Morda Parsitogi, Bintang Prawira, Hardy Prihartini, Asti Dian Ramadhani Pusaka, Semerdanta Puteri, Dini Elfiani Putri, Yolanda Triana Rachmiwati Yusuf Rahmadini Payla Juarsa Rahmatun Rahmatun, Rahmatun Rahmawati Ulfah Rahmayani, Irma Rahmayuni Rahmayuni &#039; Rahmayuni &#039; &#039; Rahmayuni Rahmayuni Rahmayuni Rahmayuni Rahmayuni Rahmayuni, Rahmayuni Raidinawan, Aulia Reza Rani Fadilah Fajri Raswen Efendi RENNI NURPITA SARI Rianida Yunaira Rifka Fitri Isnaini Riftyan, Emma Rika Saskia RIYA ANDILA Rizki Rentisia Mukti Rizqi Yanra Roby &#039; Rahman Romi Erdiyus Rossi, Evy Royyan Firdaus S Anirwan S.R. Damanik Saitun Saitun, Saitun Samuel &#039; Sari, Kamelia SARI, RENNI NURPITA Septi Hidayati, Septi Shanti Fiftriani Shanti Fitriani SIMANJUNTAK, ESPE Simarmata, Novalinda Herawati Sri Ayu Theresya Sri Desfita, Sri Syafri Ajrin Tiara Githasari Handayani, Tiara Githasari Tika Fadilah Ucok Wandi Siagian Usman Muhammad Tang Utiya Syah, Shinta Vhierda Windasari Sagala Vonny Setiaries Johan Wasisso Tunggul Pawenang Williyati, GWR. Riche Wulan Sari Yelmira Yelmira Zalfiatri Yosep Agustiar H Yudi &#039; Sutriono Yusdianti &#039; Yusmarini Yusmarini Yusni Maulida Zakya, Ismon Zelviani, Puja Febri Zulfa Reni Zulfadli, Muhammad