cover
Contact Name
Saiful Ghozi
Contact Email
saiful.ghozi@poltekba.ac.id
Phone
-
Journal Mail Official
jst@poltekba.ac.id
Editorial Address
-
Location
Kota balikpapan,
Kalimantan timur
INDONESIA
JST ( Jurnal Sains Terapan )
ISSN : 24068810     EISSN : 24775525     DOI : -
Core Subject : Education, Social,
JST (Jurnal Sains Terapan), dengan ISSN 2477-5525 (media online) dan 2406-8810 (media cetak) adalah media publikasi hasil penelitian dibidang Social Cience, Sains Terapan dan Matematika Terapan.
Arjuna Subject : -
Articles 2 Documents
Search results for , issue "Vol 11, No 1 (2025)" : 2 Documents clear
Modifikasi Tepung Sukun dan Pengaruhnya terhadap Susut Masak dan Sifat Sensosris Meat Analog Cholidah, Nungky Rahmawati; Muflihati, Iffah; Suryani, Silvia Dwi; Oktaria, Taskiya Sindy; Febriyanti, Amanda Feronia; Umiyati, Rini; Nurdyansyah, Fafa
JST (Jurnal Sains Terapan) Vol 11, No 1 (2025)
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat, Politeknik Negeri Balikpapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32487/jst.v11i1.2249

Abstract

Buah sukun memiliki kandungan karbohidrat yang tinggi, namun memiliki umur simpan yang pendek dan cepat busuk, maka perlu diolah menjadi tepung yang nantinya dapat diolah lebih lanjut menjadi berbagai produk pangan. Akan tetapi tepung sukun memiliki pengembangan dan pengikatan air rendah sehingga diperlukan modifikasi sehingga dapat diaplikasikan secara luas pada produk pangan salah satunya meat analog. Meat analaog umumnya terbuat dari bahan nabati yang memiliki sifat kurang kompak, kenyal dan cenderung keras sehingga membutuhkan bahan pengikat. Penambahan tepung sukun termodifikasi ini berpotensi sebagai bahan pengikat. Tujuan dari penelitian ini yaitu untuk mengatahui pengaruh perbandingan modifikasi fisik dan kimia terhadap karakteristik fisik tepung serta aplikasinya pada meat analog. Hasil penelitian menunjukkan bahwa modifikasi asetilasi meningkatkan swelling power, WHC, OHC dan menurunkan kelarutan. Modifikasi oksidasi meningkatkan swelling power dan kelarutan akan tetapi menurunkan WHC dan OHC. Modifikasi pregelatinisasi meningkatkan swelling power, kelarutan, WHC akan tetapi menurunkan OHC. Modifikasi Heat moisture treatment meningkatkan kelarutan akan tetapi menurunkan swelling power, WHC dan OHC. Aplikasi tepung sukun termodifikasi pada meat analog cenderung menurunkan nilai L* dan kekerasan, meningkatkan kekenyalan dan kekompakan. Penambahan tepung sukun termodifikasi cenderung meningkatkan sensoris kelengketan, kelunakan dan elastisitas. Kata kunci: meat analog, modifikasi fisik, modifikasi kimia, sukun
Effect of Cold Plasma Treatment on Total Dissolved Solids (TDS) Concentration and Functional Groups in Turmeric (Curcuma longa) Powder in Water shoodiqin, dian mart; Robiandi, Fadli; Ginting, Jesika Br; Fadilla, Angelika Putri
JST (Jurnal Sains Terapan) Vol 11, No 1 (2025)
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat, Politeknik Negeri Balikpapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32487/jst.v11i1.2682

Abstract

Cold plasma technology has garnered increasing interest in food and agricultural applications due to its ability to induce surface modifications in organic materials without the use of high temperatures. While its antimicrobial properties are well-documented, recent studies have highlighted its potential in altering the physicochemical characteristics of biopolymers, particularly through modification of surface functional groups. These modifications can influence material behavior in aqueous environments, including solubility and dispersion properties. Turmeric (Curcuma longa), widely used for its bioactive compounds, often faces limitations in its application due to poor solubility in water. Enhancing its solubility could increase its bioavailability and broaden its use in food and pharmaceutical products. This study investigates the effect of cold plasma treatment on turmeric powder, particularly its impact on the concentration of total dissolved solids (TDS) and the modification of functional groups that contribute to solubility. By exposing dried turmeric powder to cold plasma, this work aims to assess its potential to improve the aqueous dissolution of turmeric through structural and chemical surface changes, as characterized by Fourier-transform infrared spectroscopy (FTIR). The results indicate an increase in polar groups such as O–H, N–H, and C–O, and a reduction in non-polar groups such as aliphatic C–H. These modifications suggest enhanced hydrophilicity and solubility of the plasma-treated turmeric powder compared to the untreated sample. Overall, this study demonstrates that cold plasma treatment can serve as an effective technique to improve the solubility characteristics of turmeric, potentially expanding its applications in food, and pharmaceutical

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