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All Journal Biofoodtech : Journal of Bioenergy and Food Technology
Mohammad Prasanto Bimantio
Program Studi Teknologi Hasil Pertanian, Fakultas Teknologi Pertanian INSTIPER Yogyakarta
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering

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Karakteristik Permen Gummy Temumangga (Curcuma mangga Val.) dengan Penambahan Sari Buah Nangka Jeremia Mamanda Pelawi; Mohammad Prasanto Bimantio; Kusumastuti
BIOFOODTECH : Journal of Bioenergy and Food Technology Vol. 2 No. 02 (2023): Desember
Publisher : Program Studi Teknologi Hasil Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/biofoodtech.v2i02.614

Abstract

Gummy candy is a soft candy made with components such as gum, pectin, starch, carrageenan and gelatin. This research aims to determine the characteristics of gummy candy from the formulations of temumangga and jackfruit juice and using various concentrations of gelatin and determine the most preferred results for the gelatin concentration in making temumangga jelly candy with the addition of jackfruit juice. The experimental design used RBL (Complete Block Design) with 2 factors, factor I: concentration of temumangga extract and jackfruit juice (A1= 80 ml: 20 ml, A2= 60 ml: 40 ml, A3= 50 ml: 50 ml) and factors II gelatin concentration (B1= 5%, B2= 10%, B3= 15%). The parameters tested were physical texture analysis tests, gel strength, chemical tests for water content, ash content, coliform and organoleptic tests. The research results showed that the parameters of water content, ash content, reducing sugar and coliforms met SNI (No.3547-02-2008). The concentration of temumangga and jackfruit has a significant effect on water content, ash content, reducing sugar, coliforms, gel strength, texture hardness, texture cohesiveness, texture stickiness, organoleptics (color, taste, texture). Meanwhile, the concentration of gelatin has a significant effect on water content, ash content, reducing sugar, coliforms, texture hardness, gummy texture, texture cohesiveness, stickiness texture, organoleptics (aroma, texture,). The best gelatin concentration for color is 10% treated gelatin with a rating of 5.35 (Agak Suka). The best gelatin concentration for aroma is 15% treated gelatin with a rating of 5.00 (Agak Suka). The best gelatin concentration for taste is 15% treated gelatin with a rating of 5.33 (Agak Suka). The best gelatin concentration for texture is 15% treated gelatin with a rating of 4.85 (Netral).
Pengaruh Jenis Variasi Perekat pada Briket dari Limbah Ampas Kopi Edwin Eka Crisdiantoro; Mohammad Prasanto Bimantio; Herawati Oktavianty
BIOFOODTECH : Journal of Bioenergy and Food Technology Vol. 3 No. 2 (2024): Desember
Publisher : Program Studi Teknologi Hasil Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/biofoodtech.v3i2.786

Abstract

The depletion of conventional energy sources has prompted the exploration of alternative energy materials, one of which is coffee grounds. Coffee grounds can be processed into briquettes, a solid fuel with high carbon content, high calorific value, and prolonged combustion duration, making them a viable alternative energy solution. This study aims to determine whether the type and proportion of binder significantly affect the briquette properties and to identify the most effective binder for briquette production. The research utilizes an experimental design with a Complete Randomized Block Design (CRBD) consisting of two factors, with two replications. The binders used in this study are starch and arpus, with binder concentrations of 12%, 16%, and 20%. The briquettes were evaluated based on several parameters, including moisture content, volatile matter content, ash content, fixed carbon content, calorific value, and burning rate. The results indicate that binder type (Factor A) significantly affects all tested parameters, and binder proportion (Factor B) also influences the same parameters. The best moisture content was observed in the A2B1 treatment, which used arpus as a binder with a 12% proportion, resulting in an average moisture content of 4.72%. The lowest ash content was found in the A2B3 treatment (arpus binder, 20% proportion), with an average ash content of 4.31%. The highest calorific value was recorded in the A2B1 treatment (arpus binder, 12% proportion), with an average calorific value of 6334.03 cal/g. The best burning rate was found in the A2B3 treatment (arpus binder, 20% proportion), with an average burning rate of 51.83 mg/s. These findings suggest that arpus is an effective binder for coffee ground briquettes, with optimal performance achieved at specific binder proportions depending on the desired properties.
Pemanfaatan Arang Aktif Berbahan Pelepah Kelapa Sawit sebagai Adsorben Pemurnian Biodiesel dari Minyak Curah Jeremia Yosafat Rios; Mohammad Prasanto Bimantio; Adi Ruswanto
BIOFOODTECH : Journal of Bioenergy and Food Technology Vol. 3 No. 1 (2024): JUNI
Publisher : Program Studi Teknologi Hasil Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/biofoodtech.v3i1.803

Abstract

The trans esterified biodiesel cannot be used immediately, because it still contains reaction residue and impurities. So it needs purification. One of them can use activated charcoal. The material used to make activated charcoal is palm fronds. Palm fronds contain lignocellulosic components, namely 25.08% cellulose, 24.06% hemicellulose and 18.46% lignin. This component can be applied as an adsorbent. The aim of the research was to determine the size of the activated charcoal and the length of time the adsorption of activated charcoal had an effect on biodiesel purification and to find out the best formulation from the ratio of the size of activated charcoal and the adsorption time to biodiesel purification. This study used a complete block design (RBL), with two factors, namely the ratio of activated charcoal size (A) and adsorption time (B) carried out 2 repetitions. For the average results of the analysis of this study, the acid number was 7.66 mg-KOH/gr, the saponification number was 251.75 mg KOH/gr, the density was 0.93 g/ml, the viscosity was 31.64 cst, the chromameter colour was 3.43, the impurities content was 4 .4% and GC-MS contained the most compounds, namely 9-Octadecenoic acid (Z)-, methyl ester with a surface area of 42.80% and a retention time of 27.292 minutes. The conclusion of the study is that the size comparison of activated charcoal and adsorption time made from palm fronds can adsorb impurities in biodiesel.
Pembuatan Biobriket dari Campuran Tanaman Mendong (Fimbristylis Globulosa) dan Tongkol Jagung dengan Variasi Jenis Perekat Lusia Valentina Marbun; Erista Adisetya; Mohammad Prasanto Bimantio
BIOFOODTECH : Journal of Bioenergy and Food Technology Vol. 4 No. 1 (2025): JUNI
Publisher : Program Studi Teknologi Hasil Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/biofoodtech.v4i1.1851

Abstract

The depletion of fossil fuel reserves necessitates the adoption of renewable alternative energy sources. Bio briquettes derived from agricultural waste biomass, such as Fimbristylis globulosa (mendong) and corn cobs, offer a promising sustainable fuel solution. This study aimed to analyse the effects of raw material composition ratio (mendong and corn cobs) and adhesive type on the characteristics of bio briquettes. The research employed a Complete Randomized Block Design (CRBD) with two factors: (1) Raw material ratio (70% corn cob:30% mendong, 50%:50%, 30%:70%) and (2) Adhesive type (20% concentration: tapioca flour, cornstarch, sago flour). Analyses were conducted on moisture content, ash content, combustion rate, compressive strength, and calorific value. Results indicated that the raw material composition ratio had no significant effect on any tested parameters (compressive strength, moisture content, ash content, combustion rate, or calorific value). In contrast, the variation in adhesive type had a significant effect on all parameters. Thus, this study proved that the type of adhesive is a significant factor affecting the quality of bio briquettes, while the ratio of raw materials in the tested range did not have a significant effect.
Co-Authors Adi Ruswanto Edwin Eka Crisdiantoro Erista Adisetya Herawati Oktavianty Jeremia Mamanda Pelawi Jeremia Yosafat Rios Kusumastuti Lusia Valentina Marbun