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Jurnal Teknologi & Industri Hasil Pertanian
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Articles 8 Documents
Search results for , issue "Vol. 29 No. 2 (2024): Jurnal Teknologi " : 8 Documents clear
Physicochemical and sensory analysis of instant corn porridge made from nixtamalized waxy corn [Analisis sifat fisikokimia dan sensoris bubur jagung instan berbahan dasar jagung pulut nikstamal] Nunu, Nirmawaty; Ahmad, Lisna; Liputo, Siti Aisa
Jurnal Teknologi & Industri Hasil Pertanian Vol. 29 No. 2 (2024): Jurnal Teknologi & Industri Hasil Pertanian
Publisher : Teknologi Hasil Pertanian Fakultas Pertanian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtihp.v29i2.122-131

Abstract

Waxy corn is a commodity that can be developed into various food products; one is instant porridge, which only requires a short cooking preparation process because it has undergone previous processing. This research aimed to determine the physicochemical and sensory properties of instant porridge made from nixtamalized waxy corn. This research used a completely randomized factorial design (CRFD). The first factor was soaking time (30, 60, and 90 minutes), and the second was pregelatinization time (5, 10, and 15 minutes). The results showed that soaking and pregelatinization time significantly affected rehydration capacity, rehydration time, and viscosity. In contrast, the effect on syneresis and sensory properties was only affected by one of the factors. Instant nixtamalized corn porridge with a soaking time of 90 minutes and a pregelatinization time of 15 minutes was the best instant nixtamalized corn porridge with highest rehydration capacity (5.78 ml/g), calcium content (66.80 mg/L), and viscosity (3850 cP), smallest syneresis value (29.94%), and shortest rehydration time (2.19 minutes), with a neutral taste preference, while the panelists somewhat preferred color, texture, and aroma. 
Optimization of antioxidant activity and characterization of probiotic cascara beverage fermented using water kefir grain [Optimasi aktivitas antioksidan dan karakterisasi minuman probiotik cascara hasil fermentasi menggunakan bibit kefir air] Putri, Destiana Adinda; Nalurita, Indah; Heldiyanti, Rina; Zulkarnaen, Zulkarnaen
Jurnal Teknologi & Industri Hasil Pertanian Vol. 29 No. 2 (2024): Jurnal Teknologi & Industri Hasil Pertanian
Publisher : Teknologi Hasil Pertanian Fakultas Pertanian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtihp.v29i2.109-121

Abstract

Cascara is a beverage derived from dried coffee cherry pulp, known to have good functional value but with a short shelf life. Fermentation is a technique that can enhance cascara beverages' shelf life and quality and their functional value due to the presence of probiotics and increased antioxidant compounds. The study aimed to optimize the fermentation conditions of cascara tea with water kefir seeds to improve the microbiota content of Lactobacillus sp, Bifidobacterium sp, and Saccharomyces cerevisiae and the antioxidant activity of the beverage. The method in this study used Response Surface Methodology (RSM) with a design selection of Central Composite Design (CCD), using two independent variables, namely fermentation time (X1) and Grain Concentration (X2), with a response of antioxidant activity (%). The findings indicated that a fermentation period of 48 hours and a grain concentration of 8.58% resulted in a probiotic drink exhibiting the maximum antioxidant activity of 65.53%. This optimum treatment resulted in a drink with IC50 antioxidant activity of 173.66 ppm, total phenol 477.24 mg GAE/mL, brightness value (L*) 30.69, redness (a*) 14.06, yellowness (b*) 29.57, pH 3.57, TPT 8.80 (ᵒBrix), viscosity 1.62 mPa.s, total LAB 8.54 log CFU/ml, and total yeast & mold 10.93  log CFU/ml.
Optimization of the use of sorghum flour, peanuts, and moringa leaves in the making of high-protein gluten-free biscuits [Optimasi penggunaan tepung sorgum, kacang tanah dan daun kelor pada pembuatan biskuit non-gluten tinggi protein] Wulandari, Endah; Indiarto, Rossi; Arifin, Heni Radiani; Talitha, Shabrina Gitta
Jurnal Teknologi & Industri Hasil Pertanian Vol. 29 No. 2 (2024): Jurnal Teknologi & Industri Hasil Pertanian
Publisher : Teknologi Hasil Pertanian Fakultas Pertanian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtihp.v29i2.144-156

Abstract

Protein is one of the macronutrients that the body needs in large quantities in addition to carbohydrates and fats. Eating high-protein biscuits can be one way to meet daily protein needs. Biscuits made from sorghum flour, peanuts, and Moringa leaves can produce non-gluten biscuits high in protein. This study aimed to determine the optimal balance of using sorghum flour, peanuts, and moringa leaves to produce high-protein biscuits with acceptable sensory values. The research method used is an experimental method with descriptive data analysis. The optimization method uses the Response Surface Methodology (RSM) experimental design with a central composite design (CCD). The best biscuit formula, as a result of the RSM experimental design optimization, has a protein nutrient content of 8.71%, 2.60% moisture content, 2.60% ash content, 32.99% fat content, and 53.85% carbohydrate content. The combination of using flour significantly affects the texture of the biscuits but does not significantly affect the color. Using composite flour consisting of 60% sorghum flour, 37% peanuts, and 4% moringa leaves to manufacture non-gluten biscuits can produce biscuits that are high in protein and have physicochemical properties and good sensory acceptability.
Improving efficiency in green tea production time using lean manufacturing approach with value stream mapping: A case study at PT Candi Loka [Perbaikan efisiensi waktu produksi teh hijau menggunakan pendekatan produksi ramping dengan value stream mapping: Studi kasus di PT Candi Loka] Purnomo, Bambang Herry; Suryaningrat, Ida Bagus; Rachman, Ilham Aulia
Jurnal Teknologi & Industri Hasil Pertanian Vol. 29 No. 2 (2024): Jurnal Teknologi & Industri Hasil Pertanian
Publisher : Teknologi Hasil Pertanian Fakultas Pertanian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtihp.v29i2.132-143

Abstract

Green tea production activities at PT Candi Loka indicated a time-consuming, which caused process efficiency to be less than optimal. Process efficiency improvements must be made to increase company competitiveness and consumer satisfaction. This research aimed to analyze the efficiency of green tea production time at PT Candi Loka by identifying the processing time required in each production activity, including the time consumption and formulating recommendations for improvement using a lean manufacturing approach using the VSM (Value Stream Mapping) method. There were 30 activities in 6 processes consisting of receiving raw materials, withering, rolling, drying, and packaging. Identification of value streams using the PAM (Process Activity Mapping) tool produced 9 Value added (VA) activities, 19 Necessary but Non-Value Added (NNVA) activities, and 2 Non-Value Added (NVA) activities in the form of delays in the withering and drying processes. In the current state map analysis, the production lead time value was 315.286 seconds. Recommended improvements to eliminate delays in the withering process were to set up the rotary panner machine earlier and increase the number of supervisors, while to eliminate delays in the drying process were to implement a piece rate system. Increasing efficiency was also carried out by improving NNVA activities by adding weighbridge facilities and using a conveyor system. The future state map proposed by implementing recommended improvements resulted in an increase in production time efficiency to 222.356 seconds and an increase in the process cycle efficiency value from 58.95% to 84.85%.
Implementation of the marketing mix and selection of chocholate marketing strategy priorities in a chocolate company in Bali [Implementasi marketing mix serta pemilihan prioritas strategi pemasaran cokelat pada perusahaan cokelat di Bali] Sukanteri, Ni Putu; Amaral, Putu Anglila; Lestari, Putu Fajar Kartika; Tamba, I Made
Jurnal Teknologi & Industri Hasil Pertanian Vol. 29 No. 2 (2024): Jurnal Teknologi & Industri Hasil Pertanian
Publisher : Teknologi Hasil Pertanian Fakultas Pertanian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtihp.v29i2.157-167

Abstract

Chocolate is a processed product derived from cocoa beans that has undergone fermentation, drying, roasting, and grinding to produce high-quality cocoa powder. The processing of chocolate in a company involves many lengthy stages. Implementing a marketing mix is used as a technique to increase sales. The company needs to identify the superior products favored by consumers to develop priority marketing strategies. This study aims to analyze the application of the marketing mix in the chocolate industry and generate prioritized marketing strategies for the superior chocolate products produced by a company in Bali. The research method used is the Analytical Hierarchy Process (AHP). The results indicate that the marketing mix includes chocolate products such as chocolate cream, chocolate bars, and liquid chocolate. Product pricing depends on the form, with the most apparent pricing being for chocolate bars, calculated based on weight in grams. The production site is located at the main factory, which processes cocoa into chocolate cream, chocolate bars, and liquid chocolate, allowing consumers to experience the chocolate processing firsthand and try packaging chocolate at the factory. Chocolate promotion is continuously carried out through offline and online media, such as the company's website, which provides background information on chocolate production to the industry in Bali. The priority in chocolate marketing, based on the Analytical Hierarchy Process, is chocolate cream, followed by chocolate bars and liquid chocolate.
Formula optimization of herbal drink based on coconut sugar and ginger using the Taguchi method [Optimasi formula minuman herbal berbasis gula merah dan jahe menggunakan metode Taguchi] Niha, Aevita Ainun; Khuriyati, Nafis; Guritno, Adi Djoko
Jurnal Teknologi & Industri Hasil Pertanian Vol. 29 No. 2 (2024): Jurnal Teknologi & Industri Hasil Pertanian
Publisher : Teknologi Hasil Pertanian Fakultas Pertanian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtihp.v29i2.176-189

Abstract

Increasingly positive public consumption trends have increased demand for functional products such as ginger sugar herbal drinks. However, Micro, Small, and Medium Enterprises (MSMEs) producing ginger sugar herbal drinks still face production challenges, such as relying on traditional recipes passed down through generations with inconsistent processes, which affect quality uniformity. This study aimed to redesign the optimal formulation of ginger sugar herbal drinks based on parameters that affect the process. The method used is the Taguchi method with 4 (four) factors and 3 (three) levels with an L9 (34) orthogonal array matrix. Then, quality parameters were tested to determine the best ginger sugar herbal drink product. The combination of level factors in the optimal formula of ginger sugar herbal drink is the composition of ginger juice 300 mL, brown sugar 700 grams, granulated sugar 500 grams, and cooking time 45 minutes. The results of testing the quality characteristics of the confirmation experiment were following SNI requirements, namely water-insoluble part content 0.84%; water content 4.99%; ash content 1.65%; reducing sugar content 2.48%; sucrose sugar content 81.15%; dissolving time 29.93 seconds; antioxidant activity 67.13 ppm; color sensory properties 5.43; aroma sensory properties 5.32; taste sensory properties 5.16; aftertaste sensory properties 5.53; and overall sensory properties 5.21.Keywords: coconut sugar, ginger, herbal drink, quality, Taguchi method
Microencapsulation of probiotic lactic acid bacteria using freeze-drying with isolated whey protein and trehalose as coating material [Mikroenkapsulasi bakteri asam laktat probiotik menggunakan pengeringan beku dengan protein whey isolat dan trehalosa sebagai material pelapis] Parhusip, Adolf Jan Nexson
Jurnal Teknologi & Industri Hasil Pertanian Vol. 29 No. 2 (2024): Jurnal Teknologi & Industri Hasil Pertanian
Publisher : Teknologi Hasil Pertanian Fakultas Pertanian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtihp.v29i2.168-175

Abstract

Microencapsulation could be employed to coat bacteria with protective compounds to enhance their viability. The freeze-drying method uses low temperatures, thereby reducing heat damage. Bifidobacterium breve was used as a probiotic along with Streptococcus thermophilus and Lactobacillus bulgaricus, two common yogurt cultures. Yogurt, a nutrient-rich milk product, has the potential to be an effective probiotic carrier. This research aimed to examine how the freeze-drying process with varying ratios of coating materials affects the viability of the bacteria combination B. breve, S. thermophilus, and L. bulgaricus under acidic and bile salt conditions, as well as the microencapsulation efficiency and particle size. The treatments tested different ratios of whey protein isolate to trehalose as a coating (1:1, 1.5:1, 2:1, 2.5:1, 3:1). The 1:1 ratio yielded the best results, with lactic acid bacteria counts of 6.60 log colony/mL at pH 2.0, 6.84 log colony/mL at pH 3.0, 7.39 log colony/mL at pH 4.0, 7.47 log colony/mL at pH 5.0, 7.70 log colony/mL at pH 6.0, and 7.05 log colony/mL in a bile salt environment. This ratio demonstrated 107.96% microencapsulation efficiency and a particle size of 9.66 μm.
Characteristics of liquid sugar from old oil palm trunk sap as affected by processing methods Nurdjanah, Siti; Hasanudin, Udin; Setiyoko, Febri; Yuliandari, Puspita; Nawansih, Otik; Utomo, Tanto Pratondo
Jurnal Teknologi & Industri Hasil Pertanian Vol. 29 No. 2 (2024): Jurnal Teknologi & Industri Hasil Pertanian
Publisher : Teknologi Hasil Pertanian Fakultas Pertanian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtihp.v29i2.190-199

Abstract

The sap of old oil palm trunks contains appreciable sugar, but it has not been considered a potential sugar source. This study aimed to find the best method for producing oil palm liquid sugar that complies with the Indonesian National Standard (SNI) The non-factorial experiment was arranged in a Completely   Randomized Block Design (CRBD) with 6 replications. The treatments were a combination of lime-rotary vacuum evaporation (P1), without lime-vacuum rotary evaporation (P2), lime-atmospheric evaporation (P3); without lime-atmospheric evaporation (P4).  The parameters observed were pH, °brix, reducing sugar, color,  aroma, and overall acceptance. The data were subjected to ANOVA to determine the effects of the treatments and then, continued testing using HSD at α 0,05 for means separation.  The best treatment was found on liquid sugar processed using lime, and atmospheric evaporation with brix of 68.75%, pH of 5.4, moisture content of 17.74, ash content of 0.86%, reducing sugar of 44.31%, sensory score of color, aroma, and overall acceptance were f 3.42 (brownies yellow), 4.4 (like), and 4.04 (like).Keywords: lime, liquid sugar, old oil palm trunk, sensory, vacuum rotary evaporator

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