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KARAKTERISTIK ORGANOLEPTIK DAN FISIKO-KIMIA SE’I IKAN TUNA DENGAN PEWARNA ALAMI ANGKAK: ORGANOLEPTIC AND PHYSICO-CHEMICAL CHARACTERISTICS OF TUNA FISH WITH NATURAL DYEING ANGKAK Hardoko, Hardoko; Suprayitno, Eddy; Tambunan, Jenny E.; Lestari, Santi Dwi
JFMR (Journal of Fisheries and Marine Research) Vol. 7 No. 2 (2023): JFMR on August
Publisher : Faculty of Fisheries and Marine Science, Brawijaya University, Malang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2023.007.02.7

Abstract

Se’i merupakan produk olahan daging asap khas NTT yang berbentuk irisan memanjang, beraroma asap cukup kuat, dan berwarna coklat sehingga terkadang kurang menarik konsumen. Dilain hal terdapat angkak sebagai pewarna alami yang aman dan sudah diterapkan berbagai produk pangan sehingga warna atau penampilan produk menjadi lebih menarik. Oleh karena itu dilakukan penelitian yang bertujuan untuk memperbaiki performa se’i ikan tuna dengan mengaplikasikan pewarna alami  angkak. Metode penelitian yang digunakan metode eksperimen dengan perlakuan perendaman (marinasi) daging ikan tuna dalam larutan angkak dan bumbu selama 0, 6, 12, 24 jam, dan dilanjutkan dengan proses pengasapan sehingga dihasilkan se’i tuna-angkak.  Hasilnya menunjukkan bahwa se’i tuna memunyai skoring intensitas  warna merah sampai merah kecoklatan, skoring  intensitas aroma asap sedikit berasa dan beraroma asap, bertekstur agak empuk, dan berkadar air 38,67 – 55,33%. Se’i tuna-angkak yang paling disukai adalah hasil hasil marinasi selama 6 jam. Se’i tuna hasil marinasi 6 jam mempunyai nilai hedonik keseluruhan 6,6 (suka-sangat suka), nilai skoring intensitas  warna 4,4 (merah), aroma asap 3,5 (agak beraroma asap), skoring intensitas tekstur 4,2 (agak empuk), kadar air  38,67%, dan kadar peroksida 0,22 meq/Kg, serta nilai warna oHue 36,46 dengan L (lightnes) 68,47 (merah cerah).   Se'i is a processed smoked meat product typical of NTT which has the shape of long slices, has quite a strong smell of smoke, and is brown in color so that it is sometimes less attractive to consumers. On the other hand, Angkak is a natural dye that is safe and has been used in various food products so that the color or appearance of the product becomes more attractive. Therefore, a research was carried out with the aim of improving the performance of tuna se'i by applying the natural Angkak dye. The research method used was the experimental method by immersing (marinating) tuna meat in a solution of Angkak and seasonings for 0, 6, 12, 24 hours, and followed by the smoking process to produce se’i tuna Angkak. The results show that se'i tuna has a red to brownish red color intensity score, a smoke aroma intensity score with a slight taste and smell of smoke, a slightly soft texture, and a water content of 38.67 - 55.33%. The most preferred se'i tuna Angkak is the result of marination for 6 hours. Se'i tuna marinated for 6 hours has an overall hedonic value of 6.6 (likes to very much), color intensity scoring value is 4.4 (red), smoke aroma is 3.5 (slightly smells of smoke), texture intensity score is 4.2 (a bit soft), 38.67% water content, and 0.22 meq/Kg peroxide content, and oHue color value 36.46 with L (lightness) 68.47 (bright red).
Pemahaman dan Kesiapan Insinyur Teknik Sipil dalam Green Infrastructure Saepurrahman, Dewa; Siregar, Chandra Afriade; Pratiwi, A. Andini Radisya; Zamani, Ahmad Fikri; Jainudin, E.; Satria, Eka; Rahayu, Ila; Lestari, Santi Dwi; Gustian, Arif; Iqbal, Rizky; Chalid, Abdul
TECHNO-SOCIO EKONOMIKA Vol 18 No 1 (2025): Jurnal Techno-Socio Ekonomika - April
Publisher : LPPM Universitas Sangga Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32897/techno.2025.18.1.4018

Abstract

Climate change, driven by rising greenhouse gas emissions, significantly impacts our planet. The construction sector, a major contributor to these emissions, demands a shift towards sustainable building practices. Green infrastructure (GI) offers a promising solution by integrating environmental principles into design and construction. This research investigates the understanding, challenges, and readiness of civil engineering graduates in implementing GI. Utilizing a survey-based approach with master's students at Sangga Buana University, the study analyzed the perceptions of students from different backgrounds: Civil Engineering, Other Engineering, and Non-Engineering. Results indicate that Civil Engineering students demonstrate a higher level of awareness and understanding of GI, influenced by their curriculum's focus on sustainable infrastructure development. However, challenges such as cost constraints and limited managerial support persist. Despite these challenges, civil engineering graduates exhibit a greater readiness to embrace and implement GI concepts.