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All Journal Jurnal Bahan Alam Terbarukan TEKNOLOGI PANGAN : Media Informasi dan Komunikasi Ilmiah Teknologi Pertanian
Feronika Heppy Sriherfyna
Brawijaya University
Agriculture, Biological Sciences & Forestry Materials Science & Nanotechnology

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PERBAIKAN PROSES PRODUKSI KERIPIK GADUNG DI MASYARAKAT PINGGIRAN HUTAN DI KECAMATAN NGLUYU, KABUPATEN NGANJUK Harijono Harijono; Feronika Heppy Sriherfyna

Publisher : Program Studi Ilmu dan Teknologi Pangan, Universitas Yudharta, Pasuruan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (442.22 KB) | DOI: 10.35891/tp.v8i1.531

Abstract

Proses pengolahan keripik gadung dilakukan oleh para perajin keripik gadung di pinggiran hutan jati dan mahoni di Kecamatan Ngluyu. Permasalahan yang dihadapi pada produksi keripik gadung adalah perajangan, pengepresan yang masih manual, pengukusan kapasitas kecil, dan pengeringan dengan penjemuran. Solusi yang ditawarkan untuk mengatasi permasalahan tersebut adalah alih teknologi atau mekanisasi proses pengolahan keripik gadung. Hasil kegiatan menunjukkan peningkatan efisiensi pengepresan irisan umbi gadung dan kapasitas pengeringan dan pengukusan. Peningkatan kapasitas produksi adalah pada proses pengirisan karena mekanisasi menggunakan mesin perajang yang disesuaikan dengan kebutuhan mitra yaitu berukuran besar dan agak tebal. Efisiensi pengeringan tercapai dengan penggunaan mesin pengering kabinet sehingga mitra tidak mengalami kendala cuaca. Peningkatan kapasitas produksi juga terjadi pada proses pengukusan.
Starch-Based Bioplastic Reinforced by Cellulose Nanocrystal Isolated from Water Hyacinth Fauziah Rismawati; Feronika Heppy Sriherfyna; Firda Aulya Syamani
Jurnal Bahan Alam Terbarukan Vol 12, No 1 (2023): June 2023 [Nationally Accredited - Sinta 2]
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jbat.v12i1.40239

Abstract

This study aims to determine the effect of the addition of cellulose nanocrystals (CNC) with different concentrations (0,2,4,6,8,10%) isolated from water hyacinth on tensile strength, elongation, and biodegradability of corn starch bioplastics. CNC isolation was conducted, including alkalization, bleaching, acid hydrolysis, and sonication. After the isolation process, CNC was characterized based on functional group, crystallinity, and morphology surface. Then, the production of starch bioplastic using solution casting was carried out with the addition of CNC. The results showed chemical treatments affected the functional group, increasing the crystallinity index, and removing the fibril structure in water hyacinth fibers. Likewise, the addition of CNC to starch bioplastic fluctuated the tensile strength and elongation. In the biodegradability test, the physical appearance of the bioplastic completely changed. Then, the optimum mass reduction occurred in the 6% CNC on the 10th day.
Co-Authors . Harijono Fauziah Rismawati Firda Aulya Syamani