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PENGARUH PROPORSI BERAS DAN MAIZENA TERHADAP SIFAT FISIKOKIMIA DAN ORGANOLEPTIK KERUPUK PULI Karjo, Stefani Karin; Suseno, Thomas Indarto Putut; Utomo, Adrianus Rulianto
Jurnal Teknologi Pangan dan Gizi Vol 14, No 1 (2015)
Publisher : Widya Mandala Surabaya Catholic University

Starch is added in making kerupuk puli as puffable material which holds an important role in the expansive characteristic of the product. In this research, some proportion of rice will be substituted by corn starch as an attempt of diversifying kerupuk puli product in Indonesia. Randomized Block Design is used in this research in four replication, single factor (rice and maize proportion of 100:0, 95:5, 90:10, 85:15, 80:20, and 75:25). Parameters tested are physicochemical characteristics (water content, expansion volume, oil absorption, texture (Hardness and Fracturability)) and organoleptic characteristics (consumer preference test of crispness, taste, and color/visual appearance). Data will be analyzed using ANOVA (Î±=5%) and (DMRT) (Î±=5%) to determine the level of treatment which gives a significant difference. Maize has a different starch granule characteristics and amylose amylopectin proportion from rice, therefore it can be allegedly concluded that there will be differences in physicochemical and organoleptic characteristics of products. This researchâ€™s purpose is to determine a factor which gives the most preferred characteristic by the consumers. The obtained result shown that there were significant differences of water content of kerupuk before fried, expansion volume, oil absorption, Hardness, Fracturability, and consumer's preference of crispness between factors. The most favorable rice and maize proportion by objective test and consumer's preference test was 75:25, with water content of product before fried 11.48% (5.45% after fried), expansion volume 368.33%, oil absorption 43.32%, Hardness 5.633 N, Fracturability 0.498 N, and consumer's preferences score of color, taste, and crispness are 5.5854, 5.6439, and 5.9915.

PENGARUH LAMA PENYIMPANAN ADONAN BEKU TERHADAP SIFAT FISIKOKIMIA DAN ORGANOLEPTIK PUFF PASTRY YANG DISUBSTITUSI MODIFIED CASSAVA FLOUR Mardiah, Afa Dian; Trsinawati, Chatarina Yayuk; Surjoseputro, Sutarjo
Jurnal Teknologi Pangan dan Gizi Vol 13, No 1 (2014)
Publisher : Widya Mandala Surabaya Catholic University

The use of frozen dough allow to maintain consistency of the product simultaneously. The formula used mocaf flour 15% as wheat substitution. The objective of this research was to study the effect of storage time of frozen dough on the physicochemical properties and sensory as well as how long the maximum storage of frozen dough that can produce puff pastry that can be accepted by consumers. The experimental design of the study was a randomized block design with single factor, which the storage time of frozen dough consist of five levels (0, 5, 10, 15, and 20 days) with five replication. The parameters tested were moisture content, spesific volume, firmness, and sensory properties in firmness, flakiness, moutfeel (greasy texture), and sugar content. The data were analyzed using ANOVA at Î± = 5% and followed by DMRT (Duncanâ€™s Multiple Range Test) at Î± = 5% if there was a significant effect of treatment. The frozen storage time significantly reduced water content and specific volume, increased firmness, and panelist acceptance in flakiness. The storage time has no significantly different in sugar content, panelist acceptance in firmness, and mouthfeel (greasy texture).

PENGARUH KONSENTRASI AGAR BATANG TERHADAP KARAKTERISTIK FISIKOKIMIA DAN ORGANOLEPTIK SELAI LEMBARAN APEL ROME BEAUTY Sinaga, Gede Tuahta Sisean Marojohan; Suseno, Thomas Indarto Putut; Setijawati, Erni
Jurnal Teknologi Pangan dan Gizi Vol 17, No 1 (2018)
Publisher : Widya Mandala Surabaya Catholic University

Rome beauty apple jam slice is defined as a modified apple jam into apple jam in a slice form (jam slice) with the main raw materials include apples, sugar, water, citric acid, agar, and HPMC. The advantages of the apple jam slice is more practical because it has the shape and size of the slices that have been adapted to the shape of bread making it easy to prepare. Characteristics of the slice jam is a slice-shaped compact, plastic, and not sticky when removed from the packaging. Production of apple jam slice needs addition of gelling agent (agar and HPMC) to form solid texture. The addition of agar bar can affects Apple jam sliceâ€™s characteristics, therefore it is necessary to study the effect of the concentration of agar bar. The methodology of this research is a randomized block design (RBD) with one factor, that is the concentration of agar bar (P), which consists of six levels (0.15% (P1); 0.30% (P2); 0.45% (P3); 0.60% (P4); 0.75% (P5); and 0.90% (P6)) of puree apples used. Repetition of the experiments are carried out four times. Difference concentration of addition agar bar affect moisture content, texture (hardness, adhesiveness, and cohesiveness), and texture organoleptic parameter. Increasing concentration of agar bar caused a decreased of moisture content, syneresis level, and lightness also increased of hardness, adhesiveness, and cohesiveness. Increasing agar bar concentration was not affect taste and color organoleptic. The color of apple jam slice was yellow-red. Best treatment of apple jam slice was addition of 0.60% agar barwhich had moisture content 38.33%, pH 4.36%, hardness 2202.868 g, adhesiveness -1420.147 g.s, cohesiveness 0.143, total dietary fiber 2.58%, also sensory score taste 5.1719, color 4.7526, and texture 5.6518 with score 1-7 as standart.

KAJIAN KADAR HCN DAN KARAKTERISTIK PATI PADA TEPUNG KORO PEDANG (Canavalia ensiformis) BERDASARKAN WAKTU PERENDAMAN BIJI DALAM AIR PANAS DAN LARUTAN NATRIUM BIKARBONAT (NAHCO3) Putro, Novita Tommy Lasmono; Arisasmita, Joek Hendrasari; Srianta, Ignatius
Jurnal Teknologi Pangan dan Gizi Vol 14, No 2 (2015)
Publisher : Widya Mandala Surabaya Catholic University

Jack bean (Canavalia ensiformis) is potential utilized as food ingredient because it contains high nutrients, but it contains high glucocyanide (toxin) and has hard texture. This problem can be overcome by the aim of soaking to soften the texture and reduce the toxins to produce an edible and safety flour. The research aim is to examine the influence of media types and soaking time (12, 18, 24 hours) on HCN content and starch characteristics in jack bean flour. The research design was nested randomized block using two factors (media types and soaking time). The treatments are soaking in water (95Â±2Â°C) and sodium bicarbonate solution 0,4%, for 12 ,18 ,24 hours. Dependent variables measured in this study were levels of HCN, starch content, resistant starch content, starch granule profile, and viscoamylography. The data obtained were analyzed using ANOVA at Î± = 5% for determining whether or not significant differences between treatments in the study. Data rocessing followed by LSD test (Least Significant Different) at Î± = 5% if there is a significant effect by treatment. The results showed that the characteristics of starch and HCN levels were affected by the treatment significantly. Total starch content and gelatinization temperature from soaking in hot water were 51,30%; 86Â°C while sodium bicarbonate were 44,29%; 86,38Â°C. Resistant starch contents were between 11.90% to 18.52%. HCN content from soaking during 24 hours were resulting the minimum level, where soaking in hot water and sodium bicarbonate were 9,4997 mg/kg and 10,8279mg/kg respectively.

PENGARUH KONSENTRASI TEPUNG PEPAYA DAN LAMA PENYIMPANAN TERHADAP KETAHANAN L. acidophilus FNCC 0051 TERIMOBIL PADA KONDISI ASAM LAMBUNG DAN GARAM EMPEDU Sucipto, Mariska; Widyastuti, Theresia Endang Widoeri; Kuswardhani, Indah
Jurnal Teknologi Pangan dan Gizi Vol 15, No 2 (2016)
Publisher : Widya Mandala Surabaya Catholic University

Papaya powder added as a prebiotic, but its concentration and storage time in UHT milk as a carrier can impact on viability of immobilized cell in gastric acid and bile salt condition. The purpose of this study was to determine the effect of the interaction of papaya powder concentration and storage time and also the influence of each these factors on the survival of immobilized L. acidophilus FNCC 0051 in gastric acid and bile salt. The research design used a Randomized Block Design (RBD) of factorial design. Papaya powder concentrations as the first factor consisting of two levels (3% b/v and 6% b/v) and the storage times as the second factor consisting of five levels (0, 7, 14, 21, and 28 days). Each treatment combinations repeated three times. Data were analyzed by ANOVA (Analysis of Variance) at Î± = 5%. Based on the results, use of 6% concentration papaya powder significantly increasing the survival of immobilized L. acidophilus FNCC 0051 on condition of gastric acid. Meanwhile, interaction of papaya powder concentration and storage time significantly affect the resistance of immobilized L. acidophilus FNCC 0051 on bile salt condition. Storage along 14 days decreasing the cells number, but the survival cell on bile salt condition increased by the use of 6% concentration of papaya powder during 21 days of storage. The highest survival with decreased cell 0,1459 log cfu/g obtained from combination of 6% concentration of papaya powder at 21 days of storage time.

PENGARUH PERBEDAAN PENAMBAHAN KONSENTRASI WORTEL TERHADAP SIFAT FISIKOKIMIA DAN ORGANOLEPTIK KERUPUK WORTEL Febriani, Veronika Devina; Surjoseputro, Sutarjo; Suseno, Thomas Indarto Putut
Jurnal Teknologi Pangan dan Gizi Vol 12, No 1 (2013)
Publisher : Widya Mandala Surabaya Catholic University

Crackers is food product that most people favored and made from wheat starch with the addition of other ingredients and food additives are permitted. Carrot (Daucus carota L.) is one type of vegetable that can be varied in the manufacture of crackers. Beside, the relatively abundant production of carrots, the high nutrition like vitamin and mineral, its high water content of about 88.2% make carrot needs to use in processed food products, one of them is in crackers production. Raw materials used in this study is tapioca, flour, and fresh carrots, while the additional materials used are double-acting baking powder, garlic, salt, sugar, and mineral water. The study design used was Randomized Design Group non-factorial with one factor, namely the concentration of carrot which consists of 6 (six) standard of treatment, the concentration of carrot 0%, 10%, 20%, 30%, 40%, and 50 %. Each treatment was repeated 4 (four) times. The results showed that differences of carrot addition make real effect on water content, percentage expantion, bulk density of fried crackers, hardness, color (objective), and organoleptic testing (levels favorite color) carrot crackers. The higher addition of carrot will increase the bulk density of fried crackers, hardness, redness, and yellowness point of carrot crackers, but it will decrease the water content, percentage of expantion, lightness, and levels favorite color of carrot crackers. The 40% carrot addition produce carrot crackers with the best reception characteristics with point acceptability of color 5,58, crispiness 6,06, percentage of expantion 625,00%, hardness 610,241 N/s, and acceptability of taste is 6,06.

PENGARUH PERBEDAAN PENAMBAHAN RUMPUT LAUT Eucheuma cotonii DAN GELATIN DENGAN BERBAGAI KONSENTRASI TERHADAP SIFAT FISIKOKIMIA DAN ORGANOLEPTIK PERMEN JELLY RUMPUT LAUT Chrisella, Angela; Kusumawati, Netty; Suseno, Thomas Indarto Putut
Jurnal Teknologi Pangan dan Gizi Vol 14, No 1 (2015)
Publisher : Widya Mandala Surabaya Catholic University

One of the areas aquaculture (Water Cultivation) are growing is the cultivation of seaweed, especially Eucheuma cotonii. Indonesia has the potential for seaweed cultivation but less in use of seaweed. In this research, seaweed is used as jelly candyâ€™s gelling agent. In this reasearch, jelly candy made using sucrose, glucose syrup, water, and gel-forming material from combination of gelatin and Eucheuma cotonii seaweed. The design used Randomized Block Design with two factors, i.e. the proportion of gelatin (2% and 3%) and proportion of seaweed (3%, 4%, and 5%). The data obtained from the observations will be analyzed statistically using ANOVA (Analysis of Varians) test at Î± = 5% to find out the differences between treatments. If the ANOVA test results showed differences, then followed by DMRT (Duncanâ€™s Multiple Range Test) at Î± = 5% to determine the treatment which gives affected. The result showed that interaction in addition of Eucheuma cotonii seaweed and gelatin with various concentration affected (less) the water content and springiness of jelly candy. Seaweed addition affected the water content of jelly candy. Gelatin addition affected (greater) hardness, chewiness, cohesiveness, and organoleptic characteristic of jelly candy.

PENGARUH PENAMBAHAN MADU TERHADAP AKTIVITAS ANTIOKSIDAN MINUMAN BELUNTAS-TEH HITAM DENGAN PERBANDINGAN 25:75% (B/B) D., Eunike Intar; Widyawati, Paini Sri; Budianta, Dwi Wibawa
Jurnal Teknologi Pangan dan Gizi Vol 15, No 1 (2016)
Publisher : Widya Mandala Surabaya Catholic University

Pluchea indica Less plant usually only used as fresh vegetables and traditional medicine. Beluntas leaf contains many phytochemical compounds that act as antioxidants to prevent free radical. One of alternative utilization beluntas leaf is used as a drink that was packed in tea bag which is substituted black tea at 25: 75% (w/w) proportion and the addition of honey. This research was aimed to determine honey additon effect of antioxidants activity in Pluchea indica Less-black tea drink. The research design used was randomized block design with single factor. Factor that was researched is honey addition (P1, P2, P3, P4, P5, P6) on Pluchea indica Less-black tea drink at 25:75% (w/w) proportion. Each treatment was repeated four times. The results showed that honey additon effect of antioxidants activity in Pluchea indica Less-black tea drink. The addition of honey in Pluchea indica Less-black tea drink with various concentrations produced the total phenols ranged from 481.06-632.94 mg GAE/L sample, the total flavonoids ranged from156.18-196.80 mg CE/L sample, the DPPH free radical scavenging activity ranged from 324.13-389.49 mg GAE/L sample, and the iron ion reducing power ranged from 304.80-401.80 mg GAE/L sample. The antioxidant activity of Pluchea indica Less-black tea honey drink positively correlated with total phenols and total flavonoids. The addition honey in Pluchea indica Less-black tea drink to get the hightest antioxidant activity was P6 that had the hightest total phenol and flavonoid.

KAJIAN PROPORSI SARI NANAS DAN KONSENTRASI STARTER TERHADAP AKTIVITAS ANTIBAKTERI KEFIR NANAS Mayasari, Dewi; Nugerahani, Ira; Rahayu, Endang Sutriswati
Jurnal Teknologi Pangan dan Gizi Vol 15, No 2 (2016)
Publisher : Widya Mandala Surabaya Catholic University

This research uses Queen pineapple varieties juice because it have a high sugar content and contains antibacterial compounds such as phenol, chlorine, and iodine. The purpose of this study is to determine the effect of different proportions of pineapple juice and starter concentrations to the antibacterial activity of pineapple kefir. The experimental design that will be use is a Factorial Randomized Block Design (RBD) with two factors that are proportion of pineapple juice (N0= fruit juice; N1= 1:1, and N2= 1:2) and the concentration of starter (1% v/v and 10% v/v). Each treatment will be repeated 4 times. The main parameter that will be analyzed is the antibacterial activity against Staphylococcus aureus ATCC 25923 with diffusion wells method. The parameters that will be analyzed as a supporting data are pH, total acid, total yeast and BAL. Obtained data will be analyzed statistically by ANOVA (Analysis of Variance) at Î± = 5 % and continued with DMRT (Duncan's Multiple Range Test) to determine which level of treatment that gives significant differences. The proportion of pineapple juice had significant effect on the antibacterial activity of pineapple kefir, beside starter concentration had not significant effect on the antibacterial activity of pineapple kefir and the interactions between the two factors had not significant effect on the antibacterial activity of pineapple kefir with bacterial test Staphylococcus aureus ATCC 25923.

PENGARUH PENAMBAHAN BERBAGAI KONSENTRASI Na-CMC TERHADAP SIFAT FISIKOKIMIA DAN ORGANOLEPTIK ES KRIM SARI BIJI NANGKA Sudajana, Fanny Laurensia; Utomo, Adrianus Rulianto; Kusumawati, Netty
Jurnal Teknologi Pangan dan Gizi Vol 12, No 1 (2013)
Publisher : Widya Mandala Surabaya Catholic University

Jackfruit seeds can be processed to a powder, starch, or extracted. Jackfruit seeds extract is simply processed from jackfruit seeds, its stages are shelling beans, boiling, extraction, and filtration. The utilization of jackfruit seeds extract in ice cream making is still unknown about how precisely the concentration of Na-CMC so it will produce a good quality of jackfruit seed extract ice cream. This is because there are some components in jackfruit seed extract that can bind water like starch and soluble fibers so hopefully the addition of Na-CMC can be reduced. In this study, a Randomized Blocked Design is used. A concentration Na-CMC (0.5%, 0.75%, 1%, 1.25%, 1.5%), used as a factor and each treatment was repeated five times. Testing parameters includes the physicochemical properties (viscosity, overrun, total solids and the rate of melting) and organoleptic (test preference for softness of the ice crystals and rate of melting in the mouth). Furthermore, the data obtained were analyzed statistically using ANOVA test (Analysis of Variance) at = 5% and DMRT (Duncan's Multiple Range Test) with = 5%. Weighting test is also performed to determine which treatment is the best. The addition of various concentrations of Na-CMC gave a significantly different effect on the viscosity, overrun, total solids, the rate of melting, and organoleptic. The higher the concentration of Na-CMC viscosity, overrun, total solids increased, and the lower the rate of melting. Ice cream with jackfruit seed extract concentration of 1.25% Na-CMC most preferred to the softness of the ice crystals in the mouth, while the seeds of jackfruit ice cream sari with Na-CMC concentration of 0.75% preferred to melting in the mouth. Based on the weighting test, treatment of jackfruit seed ice cream sari with the addition of 1.25% Na-CMC is the best treatment.

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