scholarly journals Pengaruh asam giberelat (GA3) dan waktu panen terhadap kualitas hasil buah zukini (Cucurbita pepo L.)

Kultivasi ◽  
2019 ◽  
Vol 18 (2) ◽  
Author(s):  
Kusumiyati Kusumiyati ◽  
Syariful Mubarok ◽  
Ine Elisa Putri ◽  
Risa Nurul Falah
Keyword(s):  
Water Content ◽  
High Water ◽  
Soluble Solids ◽  
High Water Content ◽  
Total Soluble Solids ◽  
Significance Level ◽  
Randomized Design ◽  
Fruit Skin ◽  
Cultivation Techniques

Sari. Zukini merupakan sayuran buah yang banyak diminati oleh konsumen. Sayuran ini memiliki kadar air yang tinggi. Petani memerlukan teknik budidaya yang tepat untuk meningkatkan kualitas buah zukini, diantaranya dengan penggunaan hormon giberelin (GA3) dan waktu panen yang tepat. Tujuan dari penelitian ini adalah untuk mengetahui efek penggunaan GA3 dan perbedaan waktu panen terhadap kualitas hasil buah zukini, yaitu nilai total padatan terlarut (TPT), kekerasan, dan kadar air buah. Penelitian menggunakan metode percobaan rancangan acak lengkap (RAL) factorial, dengan 2 faktor dan 5 ulangan. Faktor pertama yaitu konsentrasi GA3 (0 part per million (ppm) dan 300 ppm) dan faktor kedua yaitu waktu panen 5 hari setelah berbunga (HSB), 10 HSB, dan 15 HSB. Data diuji dengan analisis sidik ragam (ANOVA), dilanjutkan uji lanjut Duncan dengan taraf nyata 5% dan diolah menggunakan software SPSS 24. Hasil penelitian menunjukkan bahwa terdapat interaksi antara GA3 dan waktu panen terhadap kadar air buah zukini. Konsentrasi GA3 300 ppmmenghasilkan kulit buah yang lebih keras dibandingkan dengan GA3 0 ppm kemudian 10 HSB dan 15 HSB memiliki nilai kekerasan lebih keras dibandingkan 0 HSB. Nilai TPT untuk GA3 300 ppm dan GA3 0 ppm menghasilkan nilai yang sama, sedangkan 5 HSB dan 10 HSB menampilkan nilai TPT lebih tinggi ketimbang 15 HSB. Kata Kunci: Cucurbitaceae ∙ hormon ∙ kadar air ∙ kekerasan buah ∙ total padatan terlarut  Abstract.  Zucchini is a fruit vegetable that is a lot of demand by costumers. This vegetable has a high water content. The farmers needs proper cultivation techniques to improve the quality of zucchini, including the used of the hormone gibberelin (GA3) and the harvest periods. The aim this research was to know effect used GA3 and harvest periods toward zucchini fruit quality, that were total soluble solids (TDS), firmness and fruit water content. This study used a Completely Randomized Design (CRD) with factorial pattern with 2 factors and 5 replications. The first factors was concentration of  GA3  (0 part per million (ppm) and 300 ppm) and the second factor was harvest periods (5 days after flowering (DAF), 10 DAF, and 15 DAF). Data were tested by analysis of variance (ANOVA), followed by Duncan Multiple Range test with a significance level of 5% and processed using SPSS 24 software. The results of the study showed that there were interactions between GA3 and harvest periods on moisture content of zucchini fruit. Concentration of GA3 300 ppm obtained fruit skin that is harder than GA3 0 ppm and 10 DAF, then 15 DAF have a harder firmness values than 0 DAF. TDS values for GA3 300 ppm and GA3 0 ppm presented the same value, then 5 DAF and 10 DAF showed TDS value higher than 15 DAF.  Keywords: Cucurbitaceae ∙ fruit firmness ∙ hormone ∙ water content ∙ total soluble solids

scholarly journals Production and characterization of mixed pineapple and hibiscus jam

2019 ◽  
Vol 13 ◽  
pp. 155
Author(s):  
Eugênia Telis De Vilela Silva ◽  
Henrique Valentim Moura ◽  
Rossana Maria Feitosa de Figueiredo ◽  
Alexandre Jose De Melo Queiroz ◽  
Inácia Dos Santos Moreira
Keyword(s):  
Ascorbic Acid ◽  
Water Content ◽  
Ascorbic Acid Content ◽  
Titratable Acidity ◽  
High Water ◽  
Soluble Solids ◽  
High Water Content ◽  
Total Sugars ◽  
Total Soluble Solids ◽  
Total Anthocyanins

Pineapple is a food rich in vitamins, antioxidants and bromelain, but because it has high water content it becomes a highly perishable fruit. Hibiscus is a plant with flowers rich in phytochemicals that can be used as an ingredient to add value to processed products. The objective of this work was to prepare mixed jams using pineapple with hibiscus extract at different concentrations and to characterize the physicochemical properties of the jams produced. Experimental design was completely randomized with four replicates. The treatments consisted of three concentration levels of hibiscus extract (5, 10 and 15%) in pineapple jelly (50:50). Analyzed physical-chemical characteristics were: water content, water activity, ash, lipids, total sugars, reducing and non-reducing sugars, vitamin C, total titratable acidity, pH and total soluble solids. It was found that increasing concentrations of hibiscus in the formulations significantly influenced resulting jam composition. Increasing hibiscus concentration reduced the total sugars content and increased ascorbic acid content, acidity, total soluble solids and ash, as well as total anthocyanins and flavonoids contents. Among the jams produced, the formulation with 15% hibiscus was distinguished by its high content of ascorbic acid, flavonoids and anthocyanins. The addition of hibiscus to pineapple jelly improves the nutritional and functional value of the resulting jams, so it can be considered a high potential ingredient for this type of product.

scholarly journals Stability of cactus-pear powder during storage

2016 ◽  
Vol 20 (2) ◽  
pp. 169-173
Author(s):  
Plúvia O. Galdino ◽  
Rossana M. F. de Figueirêdo ◽  
Alexandre J. de M. Queiroz ◽  
Pablícia O. Galdino ◽  
Tâmila K. da S. Fernandes
Keyword(s):  
Water Content ◽  
Water Activity ◽  
Reducing Sugars ◽  
Titratable Acidity ◽  
High Water ◽  
Soluble Solids ◽  
High Water Content ◽  
Cactus Pear ◽  
Total Titratable Acidity ◽  
The Stability

ABSTRACT The stability of cactus-pear powder, obtained by the process of spray drying for 40 days, was evaluated under controlled conditions of relative air humidity (83%) and temperature (25 and 40 °C). The whole pulp was characterized with regard to its physico-chemical parameters: pH, total titratable acidity, soluble solids, water content, total solids, ashes, reducing sugars, total sugars, non-reducing sugars, luminosity, redness, yellowness and water activity. The stored samples in powder were evaluated every 10 days for water content, water activity, total titratable acidity and color (luminosity, redness and yellowness). The whole pulp was slightly acidic and perishable, due to the high water content. During storage, the packages did not prevent water absorption, thus increasing water content and, consequently, water activity. Yellowness oscillated along the storage time, but the predominance of the yellow color was not affected.

scholarly journals Potensi Produksi Asap Cair, Arang dan Tar dari Limbah Industri Pengolahan Kayu

2021 ◽  
Vol 10 (2) ◽  
pp. 100-105
Author(s):  
Alaik Z H Albaki ◽  
Ahmad S Purnama ◽  
Fajri Yulianto ◽  
Budy Rahmat ◽  
Vita Meylani
Keyword(s):  
Water Content ◽  
High Water ◽  
Wood Waste ◽  
High Water Content ◽  
Wood Processing ◽  
Liquid Smoke ◽  
Test Characteristics ◽  
Randomized Design ◽  
Pyrolysis Tar ◽  
Two Factors

The practice of burning and stockpiling to reduce wood waste from the wood processing industry is not in line with the demands of clean production, environmentally friendly and sustainable industries. Pyrolysis technology can be used to produce bioenergy from wood waste. The temperature and the time of the pyrolysis process, the water content of materials, and the content of different yields between types of wood waste affect the bioenergy products produced. This study was aimed at determining the effect of wood waste form and condition on the quality and quantity of liquid smoke, tar, and charcoal. A Completely Randomized Design with two factors of treatments, i.e., waste forms and the drying process, was applied in this research. The results showed that the condition and shape of the material affect the volume of liquid smoke and the weight of the charcoal produced. The condition of the material without drying with high water content and the shape of the chunks produce more liquid smoke with an average yield of 191.14 mL and 186.37 mL, while the charcoal produced is higher in the condition of the material with drying and shaved form at 125.83 g and 115.62 g. The results of the test characteristics of grade 1 and 2 distillation liquid smoke meet the Japanese liquid smoke quality standards with phenol levels in the range of 26.66-35.94 mg GAE/mL sample and acidity levels of 16.91-58.9%. Keywords: Char; liquid smoke; pyrolysis; tar; wood waste.   ABSTRAK Praktik pembakaran dan penimbunan untuk mereduksi limbah kayu dari industri pengolahan kayu tidak selaras dengan tuntutan produksi bersih, ramah lingkungan dan industri berkelanjutan. Teknologi pirolisis dapat digunakan untuk memproduksi bioenergi dari limbah kayu dengan suhu dan waktu proses pirolisis, kadar air bahan serta kandungan rendemen yang berbeda antar jenis limbah kayu mempengaruhi produk bioenergi yang dihasilkan. Penelitian ini bertujuan untuk mengetahui pengaruh bentuk dan kondisi limbah kayu terhadap kualitas dan kuantitas asap cair, ter dan arang. Metode penelitian yang dilakukan adalah Rancangan Acak Lengkap yang disusun secara faktorial dengan perlakuan bentuk limbah dan proses pengeringan. Hasil penelitian menunjukan bahwa kondisi dan bentuk bahan mempengaruhi volume asap cair dan bobot arang yang dihasilkan. Kondisi bahan tanpa pengeringan dengan kadar air tinggi dan bentuk bongkah menghasilkan asap cair lebih banyak dengan hasil rata-rata 191,14 mL dan 186,37 mL, sedangkan arang yang dihasilkan lebih tinggi pada kondisi bahan dengan pengeringan dan bentuk serut yaitu 125,83 g dan 115,62 g. Hasil uji karakteristik asap cair distilasi grade 1 dan 2 memenuhi standar mutu asap cair Jepang dengan kadar fenol berada pada kisaran 26,66-35,94 mg GAE/mL sampel dan kadar keasaman 16,91-58,9 %. Kata kunci: Arang; asap cair; limbah kayu; pirolisis; ter.

scholarly journals ANGKA KAPANG DAN KHAMIR PADA LADA PUTIH ASAL BANGKA

2019 ◽  
Vol 5 (2) ◽  
pp. 101
Author(s):  
Oktavio Rosani ◽  
Devy Susanty ◽  
Ary Triyanto
Keyword(s):  
Moisture Content ◽  
Water Content ◽  
High Water ◽  
Quality Standard ◽  
High Water Content ◽  
White Pepper ◽  
Public Consumption ◽  
Mold And Yeast ◽  
The Relationship

Numbers of Mold and Yeast on White Pepper from BangkaWhite pepper is one of Indonesia's spices that are needed for both public consumption and exports. Post-harvest processing of white pepper by farmers is often done with unclean. Each source of white pepper has different water content and will affect the quality of white pepper. In this study, seven samples (S1, S2, S3, S4, S5, S6, S7) were from Bangka. All samples tested had higher water content than SNI quality standard (13%), but still below the quality standard 2 (18%). Sample S2 has the highest water content compared to other samples. Sample S1 and S2 have high Numbers of Mold and Yeast (AKK) and do not suitable with quality standart of BPOM. Of all samples, S2  had the highest AKK (5,51 x 104 colony / g) and sample S5 had the smallest AKK (8,8 x 102 colony / g). This shows the relationship between water content in white pepper with AKK. White pepper that has a high water content has a high AKK, whereas white pepper that has low moisture content has low AKK.Keywords: white pepper, Numbers of Mold and Yeast, moisture contentABSTRAKLada putih adalah salah satu rempah Indonesia  yang  banyak dibutuhkan baik untuk konsumsi masyarakat ataupun ekspor. Proses pengolahan pasca panen lada putih oleh petani sering dilakukan dengan tidak bersih. Setiap sumber lada putih memiliki kadar air yang berbeda dan akan mempengaruhi kualitas lada putih. Pada penelitian ini,tujuh sampel (S1, S2, S3, S4, S5, S6, S7)  berasal dari Bangka. Semua sampel yang di uji memiliki kadar air yang lebih tinggi dari standar mutu 1 SNI (13%), namun masih berada di bawah standar mutu 2 (18 %). Sampel S2 memiliki kadar air yang paling tinggi dibandingkan dengan sampel lainnya. Sampel S1 dan S2 memiliki  (Angka Kapang Khamir) AKK yang tinggi dan tidak memenuhi syarat mutu. BPOM. Dari semua sampel, sampel S2 memiliki AKK paling tinggi (5,51 x 104 koloni/g) dan sampel S5 memiliki AKK paling kecil (8,8 x 102 koloni/g). Hal ini menunjukan hubungan antara kadar air pada lada putih dengan AKK. Lada putih yang memiliki kadar air tinggi memiliki AKK yang juga tinggi, sedangkan lada putih yang memiliki kadar air rendah memiki AKK yang  rendah.Kata Kunci: Lada putih, Angka kapang khamir, Kadar Air

scholarly journals Initial Moisture Content of Corncobs Plays an Important Role in Maintaining its Quality during Storage

2018 ◽  
Vol 38 (2) ◽  
pp. 167
Author(s):  
Lince Mukkun ◽  
Herianus J.D. Lalel ◽  
Yuliana Tandirubak
Keyword(s):  
Moisture Content ◽  
Water Content ◽  
Insect Pests ◽  
Initial Moisture Content ◽  
High Water ◽  
High Water Content ◽  
Initial Water Content ◽  
Initial Water ◽  
Plant Materials ◽  
Randomized Design

Maize is one of the important staple foods for people in Timor, East Nusa Tenggara Province, Indonesia. Subsistent farmers store the maize for their own consumption until the next harvest season, for seed and feed.  However, high initial water content of the kernel due to improper drying prior storage initiate serious damage and losses during the maize storage.  High water content promotes the growth of fungi and insects, and increase respiration rate, resulting in rapid deterioration of maize. The purpose of this study was to determine the initial moisture content that might minimize damage and losses of maize in the farmers’ storage, and to study the effects of some plant materials that are used to smoke corns before storage. The experiment was initiated by sun-drying the harvested corncobs for 0, 2, 4, 6, 8, and 10 days (6 hours a day). This experiment was designed using Completely Randomized Design with 6 treatments and 3 replications. Dried corncobs were stored in the farmer’s storage for 4 months. The effects of maize kernels’ initial water content on the development of water content in kernels; the percentage of damaged kernels; and the species of pathogen and insects were investigated during storage with 2-week intervals.  The results demonstrated that drying the corncobs prior storage for 10 days, resulting in 12.96% of water content, significantly decreased the percentage of seed damage to 6.5%, as compared to without drying process which resulted  in 63%.  Aspergillus flavus, Fusarium sp., and Penicillium sp were found to be the main pathogen during storage.  There are no insect pests found during the storage. 

scholarly journals Refrigerated storage of pitombas subjected to different packaging

2020 ◽  
Vol 11 ◽  
pp. e3256
Author(s):  
Renato Rosa De Almeida ◽  
Cristiane Maria Ascari Morgado ◽  
Verediana Fiorentin Rosa de Almeida ◽  
Lucas Marquezan Nascimento ◽  
Nayane Rosa Gomes ◽  
...  
Keyword(s):  
Expanded Polystyrene ◽  
Soluble Solids ◽  
Postharvest Quality ◽  
Refrigerated Storage ◽  
Significance Level ◽  
Randomized Design ◽  
Hue Angle ◽  
Completely Randomized Design ◽  
Solids Content

This study aimed to verify the effect of the association between refrigeration and packaging on the preservation of postharvest quality of pitombas during storage. The fruits were harvested, transported to the laboratory, where they were selected, washed with neutral detergent and drinking water, and left to dry. Subsequently, the fruits packed in polypropylene (PP), low-density polyethylene (LDPE), polyethylene terephthalate (PET), polyvinyl chloride (PVC) + expanded polystyrene (EPS), and no packaging (Control). After this process, they were stored at temperatures of 6, 8, 10, 12, and 14±1 °C at 75±5% relative humidity (RH). The fruits were evaluated during 12 days for postharvest preservation, firmness, soluble solids content, pH, hue angle and chroma of the peel, with three replications of 10 fruits each, using a completely randomized design in a 5 × 5 × 7 factorial scheme (5 temperatures × 5 packages × 7 days of analysis). The results were subjected to analysis of variance (P≤0.05) and, when significant, the means were compared using the Scott-Knott test and regression at a 5% significance level. The use of LDPE packaging associated with refrigeration at 6 °C can be used to store pitombas for 12 days, as these conditions preserved the evaluated parameters, guaranteeing fruit quality.

scholarly journals Peningkatan Kualitas Minyak Nilam (Pogostemon Cablin Benth) menggunakan Kombinasi Metode Fermentasi, Delignifikasi dan Destilasi

2017 ◽  
pp. 116-121 ◽  
Author(s):  
Salih Muharam ◽  
Lela Mukmilah Yuningsih ◽  
Iim Sulaeman Rohana
Keyword(s):  
Water Content ◽  
Oil Quality ◽  
High Water ◽  
Poor Quality ◽  
Acid Number ◽  
High Water Content ◽  
Pogostemon Cablin ◽  
Combination Of Methods ◽  
Small Capacity

Penyulingan minyak nilam tradisional dilakukan dalam kapasitas kecil dan menggunakanmetode penyulingan sederhanaberdasarkan pada perbedaan titik didih yang jauh atau salah satu komponen bersifat volatil. Proses ini menghasilkan kualitas minyak nilam kurang baik seperti bilangan asam lebih dari 8, minyak berwarna gelap, patchouli alkohol kurang dari 30%, dan kadarair tinggi.Pada penelitian ini telah dilakukan penyulingan minyak dari tanaman nilammenggunakan kombinasi metode yaitu fermentasi-delignifikasi, destilasi dan pemurnian untuk meningkatkan kualitas minyak nilam. Hasil penelitian ini menunjukan bahwa kombinasi proses fermentasi-delignifikasi-destilasi-adsorpsi menghasilkan kualitas minyak nilam yang lebih baik dengan kualitas bilangan asam, kandungan patchouli alkohol,  kadar air dan bobot jenis berturut-turut adalah 7.48, 35.60%, 0.56%,0.0957. The traditional distillationof patchouli oil conducted in small capacity and using a simple distillation method based on differences of wide a boiling point or one component is volatile. This process results a poor quality of patchouli oils such as the acid numbers is more than 8, dark-colored oils, patchouli alcohols contentis less than 30%, and high water content. In this research has been done oil distillation from patchouli plants using a combination of methods i.e. fermentation-delignification, distillation and purification to improve of patchouli oil quality. The results show that the combination of the fermentation-delignification-distillation-adsorptionis better in quality of patchouli oil with the acid number, patchouli alcohol content, water content and density were 7.48, 35.60%, 0.56%, and 0.0957 respectively.

scholarly journals Postharvest Quality of Beetroots Grown Under Different Irrigation Depths and Ascorbic Acid Doses

2019 ◽  
Vol 11 (16) ◽  
pp. 180
Author(s):  
Anderson Carlos de Melo Gonçalves ◽  
Toshik Iarley da Silva ◽  
José Sebastião de Melo Filho ◽  
Joana Gomes de Moura ◽  
Leonardo Vieira de Sousa ◽  
...  
Keyword(s):  
Electrical Conductivity ◽  
Ascorbic Acid ◽  
Polynomial Regression ◽  
Titratable Acidity ◽  
Soluble Solids ◽  
Postharvest Quality ◽  
Mineral Matter ◽  
Total Soluble Solids ◽  
Randomized Design

Beetroot (Beta vulgaris L.) is a culture of great demand in Brazil due to its high nutritional value. However, water availability is a determining factor on its production. An alternative to reduce the damage caused by water stress is to apply organic solutes, such as ascorbic acid. The purpose hereof was to evaluate the postharvest quality of beetroots grown under different irrigation depths and ascorbic acid doses. The experiment was carried out in the Human, Social, and Agricultural Center’s Postharvest Physiology and Technology Laboratory of the Federal University of Paraíba, Bananeiras, Paraíba, Brazil, in a completely randomized design with five doses of ascorbic acid (0.00, 0.29, 1.00, 1.71, and 2.00 mM) and five irrigation depths (40.0%, 51.6%, 80.0%, 108.4%, and 120.0% of the evapotranspiration), combined according to each Box Central Compound experimental matrix, totaling nine treatments with five repetitions. The variables total soluble solids, electrical conductivity, hydrogenation potential, titratable acidity, total soluble solids and titratable acidity ratio, moisture, dry matter, and mineral matter were evaluated. The data were submitted for analysis of variance and polynomial regression. There was a significant interaction between the irrigation depths and the ascorbic acid doses in every variable, except for electrical conductivity and mineral matter. The postharvest characteristics of beetroots improved with applications of ascorbic acid doses in the thinner irrigation depths. The greatest dose of ascorbic acid (2 mM) in the thinner irrigation depth (40%) increases the postharvest quality of beet tuberous roots.

scholarly journals KARAKTERISTIK FISIK, KIMIA DAN ORGANOLEPTIK SELAI PADA BERBAGAI RASIO BUAH NAGA MERAH (Hylocereus polyrhizus Britt and Rose) - GULA PASIR

2019 ◽  
Vol 4 (1) ◽  
pp. 16-25
Author(s):  
Huriah Huriah ◽  
Nur Alam ◽  
Abd Hamid Noer
Keyword(s):  
Water Content ◽  
High Water ◽  
High Water Content ◽  
Physical Parameters ◽  
Physical Chemical ◽  
Organoleptic Characteristics ◽  
Randomized Design ◽  
Excess Production ◽  
Dragon Fruit ◽  
Processed Products

The high water content in dragon fruit causes the fruit to be easily damaged, therefore it needs to be processed to reduce the amount of loss, including making it into jam. In addition, processing dragon fruit into various processed products also aims to overcome the problem of excess production when the harvest season arrives. The aim of this research was to obtain the ratio of dragon-sugar fruit which gave the best influence on the physical, chemical and organoleptic characteristics of jam. The study used a completely randomized design (CRD) for the analysis of physical parameters of jam (softness) and chemical jam (water content, total dissolved solids, anthocyanin and vitamin C levels). Randomized Group Design (RBD) for analysis of organoleptic test parameters (color, texture, taste and preference). As a treatment, it is the ratio of dragon-sugar, which consists of five levels of treatment, namely P1 = dragon fruit 450 g: granulated sugar 550 g, P2 = dragon fruit 500 g: granulated sugar 500 g, P3 = dragon fruit 550 g: sugar 450 g, P4 = dragon fruit 600 g: granulated sugar 400 g, P5 = dragon fruit 650 g: granulated sugar 350 g. Each treatment was repeated 3 times so that there were 15 experimental units. The data obtained were analyzed using F test 0.01 and 0.05. If the treatment has a significant or very real effect, then proceed with the BNJ test at tararf 0.01 and 0.05. The results showed that treatment P4 (600: 400 b / b dragon-sugar ratio) gave the best influence on the physical, chemical and organoleptic characteristics of dragon fruit jam. This treatment can reduce the use of sugar by 15 percent from the standard use of sugar in making jam.

scholarly journals Pengaruh Suhu dan Lama Pemanasan terhadap Karakteristik Ikan Tongkol Olahan yang Direndam Dalam Larutan Asap Cair Batang Bambu Tabah (Gigantochloa nigrociliata BUSE-KURZ)

2019 ◽  
Vol 8 (1) ◽  
pp. 158
Author(s):  
Luber Turnip ◽  
I Wayan Widia ◽  
Pande Ketut Diah Kencana
Keyword(s):  
Water Content ◽  
Heating Temperature ◽  
High Water ◽  
Heating Time ◽  
Effect Of Temperature ◽  
High Water Content ◽  
Color Test ◽  
Liquid Smoke ◽  
Organoleptic Characteristics ◽  
Randomized Design

Tuna has a high protein and water content, and has solid meat. But tuna is also very easy to damage. The cause of damage fish is a high water content which can cause microorganisms to multiply easily. Fumigation with  liquid smoke is safer and more practical than conventional fumigation, because liquid smoke contains phenol, carbonyl and organic acids which are useful for providing a distinctive taste and as preservatives in fish. The liquid smoke comes from stem of tabah bamboo (Gigantochloa nigrociliata Buse-Kurz). The purpose of this study was to determine the effect of temperature and heating time on the characteristics of processed tuna which soaked in liquid smoke stem of tabah bamboo and to find out the temperature and heating time of the best organoleptic characteristics of processed tuna which soaked in a solution of liquid smoke stem of tabah bamboo. The method used is Factorial Completely Randomized Design with two factors. The first factor is the treatment of heating temperature which consists of three levels, and the second factor is the treatment of heating time which consists of three levels. Each treatment was repeated twice. The best combination of treatments is the heating temperature of 100?C, heating for 4 hours produce pH 5.5, water content 58.06%, ash content 1.69%, protein content 18.29%, hedonic color test 3.94, aroma test hedonic 4.28, hedonic texture test 4.72, hedonic taste test 4.5, texture scoring test 4.83, and the overall acceptance scoring test is 4.39. Keywoard : smoked tuna, liquid smoke, tabah bamboo.

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