Jurnal Teknologi & Industri Hasil Pertanian
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Karakteristik fisikokimia tepung rebung terfermentasi dan pati rebung terfermentasi dari bambu ampel kuning (bambusa vulgaris schrad var. striata) serta potensinya sebagai pengental [Physicochemical characteristics of fermented bamboo shoot flour and fermented bamboo shoot starch from yellow ampel bamboo (Bambusa vulgaris schrad var. striata) and their potential as thickeners]
No full textThis study aimed to characterize the physical and chemical properties of fermented bamboo shoot flour (TRF) and fermented bamboo shoot starch (PRF) and to test their potential as thickeners. The research was carried out in 4 stages: sample authentication, TRF preparation and characterization, PRF preparation and characterization, and PRF gelling testing at various pH. The results showed that TRF contained 23.92±0.33% insoluble fiber, 6.03±0.10% cellulose, 1.85±0.01% hemicellulose, 15.87±0.10% lignin, and soluble fiber. 2.91±0.03%. PRF had a density of 707 kg/m3, slightly dull color, and reddish brown. TRF cannot be used as a thickener due to it does not form a stable suspension and does not form a gel when heated, but it has potential as an animal feed with a value of acid detergent fiber (ADF) 22.18 and neutral detergent fiber (NDF) 2. 40. Meanwhile, PRF-tapioca has potential as a thickening agent because it formed a stable suspension and formed a gel when heated. Adding 0.5-2.5% PRF to 1%, tapioca suspension produced a gel viscosity of 6.4 – 8.5 cP., similar to 3 g/25 mL modified cassava flour gel formation.
Pengaruh penambahan kacang merah dan ketan hitam terhadap sifat sensori dan gizi minuman berbasis jamur tiram dan wijen hitam[[The effect of the addition of red beans and black glutinous rice on the sensory and nutritional properties of oyster mushroom and black sesame-based drinks]
No full textOne example of a plant-based product is mixed grain-based milk. Mixing various types of grains such as red beans, black glutinous rice, black sesame, and oyster mushrooms is expected to complement the nutritional content and improve the sensory properties of the final product. This research was aimed to determine the effect of the proportion of red beans and black glutinous rice on the mixture of grains and oyster mushrooms on the sensory quality of mixed grain milk and find the best proportion of red beans and black glutinous rice in the mixture of grains and oyster mushrooms that produce plant-based milk with the best sensory quality. This research was conducted in a Randomized Complete Block Design (RCBD) with a single treatment in the form of a comparison of red beans, and black glutinous rice consisting of 6 formulations with 4 replications. Parameters observed were sensory properties (aroma, taste and aftertaste). The sample with the best sensory properties was further analyzed proximate content and amino acid profile. The results showed that addition of red beans and black glutinous rice to plant-based milk on oyster mushrooms and black sesame affected sensory qualities (taste, aroma, and aftertaste). The best treatment was the proportion of 60:30 with a taste score of 7.49 (tends to be savory sweet), an aroma score of 7.73 (tends to be pleasant), an aftertaste score of 7.11 (tends to be normal); a moisture content of 85.29%; a protein content of 1.72%; fat content 0.88%; carbohydrates 11.77%; ash 0.34%; and 61.88 kcal of calories per 100 mL
Pengaruh penambahan gum arab dan suhu penyimpanan terhadap kestabilan gel lidah buaya sebagai bahan edible coating [The effect of gum arabic addition and storage temperature on the stability of aloe vera gel as an edible coating]
No full textAloe vera gel is a polysaccharide widely used as an edible coating because it contains glucomannan and lignin compounds that can inhibit respiration and transpiration in fruit. However, aloe vera gel has weakness such as easy to change its color, odor, and viscosity. Therefore, a stabilizer is needed, one of which is gum arabic. Storage temperature also affects the stability of aloe vera gel. The purpose of this study was to determine the concentration of gum arabic and the optimal storage temperature in stabilizing aloe vera gel as an edible coating. The study used a completely randomized design (CRD) with a factorial pattern. Parameters tested were viscosity, pH, color change, and sedimentation percentage. The results showed that the optimal concentration of gum arabic to produce stable aloe vera gel was 2% in cold storage (5 ± 1ºC), with stability up to 9 days of storage, on the condition that aloe vera gel has a pH of 4.58 ± 0.04, viscosity 40.67 ± 0.58 m.Pa.s, sedimentation percentage 8.13 ± 14.08% and color change (∆E) during storage 20, 09 ± 0.58. Aloe vera gel added with 2% arabic gum can be an edible coating on fruit or vegetables
Karakterisasi sifat fisiko kimia pati bengkuang (Pachirrhyzus erosus) dan pati ganyong (Canna edulis Kerr) modifikasi [Characteristization on physico-chemical properties of modified canna (Canna edulis Kerr.) and jicama (Pachirrhyzus erosus) starches]
No full textModification of native starch is needed mainly to increase its solubility in water thus broaden its application in food industries. On the other hand, modification of canna and jicama starches have rarely been applied. Physical and chemical modifications of starches are conducted to modify starch characteristics. The research aimed to investigate the physico-chemical properties of canna and jicama starches that had been modified chemically and physically. Chemical modifications which were conducted included modification via substitution with Octenyl Succinate Anhydride (OSA) and hydrolysis using hydrochloric acid (HCl), while physical modification was conducted via the Heat Moisture Treatment (HMT). The starch physico-chemical characteristics evaluated were degree of acid (DA), swelling power, degree of substitution (DS), moisture, ash, fat, and fiber contents. The analysis results showed that moisture, ash, fat, and fiber contents of native canna and jicama starches were not significantly different from those of modified ones. The result also revealed that the type of starches and modification methods increased the swelling power significantly (P≤0,05). The DS of modified canna dan jicama starches were 0.0246% and 0.0176%, respectively. While the DA of modified canna and jicama starches were 0.14% and 0.18%, respectively. This DA values of modified starches by HCL hydrolysis had meet the Indonesian National Standard (SNI 01-2593-1992) which is maximum of 5% for food application.Keywords: canna starch, jicama starch, HMT modification, modified starch, OSA modification
Karakteristik berbagai jenis tepung ubi jalar termodifikasi dengan metode autoclaving retrogradation [Characteristics of various sweet potato flour modified by autoclaving retrogradation method]
No full textSweet potato has great potency to be developed as an alternative carbohydrate source in the form of modified sweet potato flour. Autoclaving retrogradation is a physical modification method to improve the physicochemical characteristics of flour. The purpose of this study was to determine the effect of the autoclaving retrogradation method on the characteristics of various sweet potato flour: dietary fiber, resistant starch, starch digestibility, nutritional content, and antioxidant, and to determine the best modified sweet potato flour. The experimental design used a non-factorial completely randomized block design with four replications. The treatment consisted of 6 types of sweet potato, namely control (purple sweet potato without treatment), orange sweet potato, purple sweet potato, honey-sweet potato, red sweet potato, and purple white sweet potato). The results showed that there were significant differences in dietary fiber, levels of resistant starch, digestibility of starch, nutritional content, and antioxidant activity amongst various types of modified sweet potato flour. The best modified sweet potato flour was found in modified red sweet potato flour which contained 44.64% dietary fiber, 19.75% resistant starch, 13.50% starch digestibility, 66.32% antioxidant activity, with comparable nutritional content.
Enkapsulasi bakteri asam laktat dari tempoyak asal Jambi: Pengaruh konsentrasi alginat [Encapsulation of lactic acid bacteria isolated from fermented durian (tempoyak) in Jambi: Influence of alginate concentration]
No full textThis study aimed to investigate the characteristics and the viability of encapsulated lactic acid bacteria (LAB) from fermented durian from Jambi using alginate concentration as wall material. The encapsulation method used the emulsification technique where LAB in alginate capsules was formed by the formation of water in oil emulsion. This study used a completely randomized design with various alginate concentrations as the treatments with concentrations: 1%, 3%, 5%, 7%, and 9%, respectively. The result showed that alginate concentration on LAB microcapsules was very significant in yield, pH, and heat resistance. All treatment concentrations provided high LAB viability, so alginate is effective for wall material LAB encapsulation with emulsification techniques. The best LAB microcapsule was 7% of alginate concentration with value of yield 5,60 %, viability of LAB log 12,43 CFU/g, pH 5,22, heat resistant on 50ºC (log 12, 46 CFU/g), 60ºC (log 12,45 CFU/g), 70ºC (log 12,35 CFU/g).
Pendugaan umur simpan metode extend storage studies dan pengaruh lama penyimpanan terhadap organoleptik simplisia Mentha x piperita L [Estimation of shelf life using extend storage studies method and effect of long storage on organoleptic Mentha x piperita L. simplicia]
No full textMentha x piperita L. simplicial may undergo deterioration during storage, therefore it is very important to determine its shelf life. The determination of shelf life was done using Extend Storage Studies (ESS) method. This study was aimed to determine the shelf life and the effect of storage time on organoleptic simplicia M. x piperita. The sample used was simplicia that has been stored for 0, 15, 22, 30, 32, and 44 mounth in the simplicia storage warehouse with some long storage, and then the samples were subjected for moisture content analysis and organoleptic evaluation. The results showed that the shelf life of M. x piperita simplisia determined using the method of a water content parameter approach was 27 months. After 27 months of storage, although the aroma still can be preserve, there wa a decrease in the taste and the color of simplisia. In addition, there was increase in water content
Evaluasi mutu susu segar dari peternak berbeda di provinsi Lampung sebagai bahan baku keju [The quality of fresh milk from different farmers in Lampung as a raw material for cheese]
No full textThe objective of this study was to evaluate the quality of fresh cow’s milk from different farmers in Lampung Province as a raw material for cheese in view of the Indonesian National Standard SNI 31411 (2011) regulation. Twelve fresh milk samples from four different districts (Tanggamus, Metro, Gisting, and Pesawaran) were evaluated by estimation of total protein and fat, pH, alcohol test, total plate count, antibiotic residues, and sensory. The result of the study revealed that the samples had protein and fat ranged from 2.44 to 3.90 %, and from 3.48 to 4.73% (wet basis) respectively. The fresh milks had normal sensory and pH, negative of alcohol test, and free from antibiotic residues. Total microbes were detected in log 5-6 CFU/ml. Majority of the samples screened met the Indonesian National Standard and could be used as a raw material for cheese making. Keywords: cheese, fresh milk quality, Lampung province, SNI 31411
Potensi pengembangan produk baru onde-onde edamame [Potency of edamame onde-onde new product development]
No full textEdamame onde-onde is a new traditional food product processed using edamame soybeans. As a new product, it is necessary to know the best formulation of onde-onde edamame that potential consumers prefer. In addition, edamame onde-onde may have a risk of failure in the process of launching in the market. This study aimed to determine the formulation of edamame onde-onde products according to predetermined criteria, analyze perceptions of edamame onde-onde products, and plan marketing concepts related to segmentation, targeting, and positioning. Perceptions and marketing plan data were analyzed using cross-tabulation, clusters, and multidimensional scaling tests. The best formulation for making edamame onde-onde was the 30% formulation, which used edamame beans to glutinous rice flour ratio of 3:1. The selected target market was female consumers aged 36-45 years, with a diploma degree, and private employees with Rp income. 5,000,000-Rp. 10,000,000 and expenses of Rp. 1,000,000-Rp. 5,000,000. Product position attributes that differentiated edamame onde-onde products were a delicious taste, easy to obtain, affordable prices, and highly nutritious.Keywords: edamame onde-onde, perception, plan marketing concept, product developmen
Penerapan produksi bersih dan penilaian daur hidup industri kecil menengah pengolahan kopi CV. Gunung Betung [Cleaner production implementation and life cycle assessment in a small and medium coffee industry CV Gunung Betung]
No full textCoffee is one of Indonesia's leading commodity that has the potential to be developed for agro-industry. High coffee production has encouraged the establishment of a small and medium coffee industry. The purpose of this study is to analyze possible strategies for implementing cleaner production and evaluate the impact on the environment using Life Cycle Assessment (LCA) method with a gate to gate scope. The stages of cleaner production research used quick scan techniques, source identification, cause evaluation and option generation implementation. LCA research stages with the determination of the objectives and scope of research, inventory analysis, environmental impact assessment and implementation of improvements. Greenhouse gases (GHG) emission was assessed as an environmental impact parameter. The results showed the alternative potential for cleaner production that was applied the manufacture of drying domes (Payback Period/PBP) 3.18 months with an investment ofRp. 2,285,000), procurement of generator machines (PBP 1.16 months with an investment of Rp. 5,860,000), making air circulation in roasting room (PBP 0.07 months with an investment of Rp. 1,268,000), making of solid waste composting reactor (PBP 2.18 months with an investment of Rp. 3,440,000) and addition packing equipment (PBP 0.45 month with an investment of Rp. 3.057 .000). The results of the LCA analysis show that 1,000 Kg of dry-processed coffee requires energy of 869.92 MJ and produces GHG emissions of 95.58 Kg CO₂eq / ton coffee fruits or 0.42Kg CO₂eq / Kg coffee powder equal to 2.389Kg CO₂eq/month and 28.674Kg CO₂eq/year.Key words : environmental impact assessment, life cycle assessment, small coffee industrie