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Jurnal Teknologi Pangan dan Gizi

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Published by Universitas Katolik Widya Mandala Surabaya

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Articles 7 Documents

Search results for , issue "Vol 12, No 1 (2013)" : 7 Documents clear

KADAR ANTOSIANIN DAN AKTIVITAS ANTIOKSIDAN FLAKE BERAS MERAH DAN BERAS KETAN HITAM DENGAN VARIASI SUHU PEREBUSAN Setiawati, Hany; Marsono, Yustinus; Sutedja, Anita Maya
Jurnal Teknologi Pangan dan Gizi Vol 12, No 1 (2013)
Publisher : Widya Mandala Surabaya Catholic University

Red rice and black glutinous rice contain high starch and satiety thus suitable for use as raw material for produce breakfast cereal flakes.Anthocyanin compounds found in red rice and black glutinous rice flakes can be damaged during the process. Stage of making a flake that can reduce levels of anthocyanins of red and black glutinous rice is boiling and drying. The design of the study is a randomized block design nested pattern, consisting of two factors. The first factor is the type of rice (the nest) namely red rice (M) and black glutinous rice (H). The second factor is boiling temperature (which is nested) are T1 (70Â°C), T2 (80Â°C) and T3 (90Â°C). Parameters tested the levels of anthocyanin content, total phenolic content and antioxidant activity. The data obtained were subsequently analyzed by ANOVA at Î± = 5%. If there is a real effect, then continued with LSD test with Î± = 5%. The test results showed that the difference in boiling temperatures is caused a decrease in the levels of anthocyanin black glutinous rice flake, total phenolic content of red rice flakes and black glutinous rice and ferric reducing capacity of red rice and black rice flakes. The difference in boiling temperature had no significant effect on levels of anthocyanin of red rice flakes and radical DPPH scavenging activity of red rice and black glutinous rice flakes. The best treatment are flake with 80Â°C boiling temperature (T1). Red and black glutinous rice flake with T1 treatment has anthocyanin content are 5,9Â±1,5 and 211,8Â±22,2 Î¼g/g, total phenolic are 291,8Â±15,0 and 488,3Â±8,4 Î¼g/g, ferric reducing activity are 3,9Â±0,1 and 4,9Â±0,3 mg/g and radical scavenging activity are 49,51Â±2,14% dan 46,73Â±1,44%.

PENGARUH PROPORSI SUKROSA-ISOMALT TERHADAP SIFAT FISIKOKIMIA DAN ORGANOLEPTIK PERMEN JELLY ANGGUR BALI (Alphonso lavalle) Susilo, Ivone; Suseno, Thomas Indarto Putut; Kuswardhani, Indah
Jurnal Teknologi Pangan dan Gizi Vol 12, No 1 (2013)
Publisher : Widya Mandala Surabaya Catholic University

Jelly candies has a clear transparent appearance and resilience texture with variety colors and sweet taste. Natural colorant can be used in jelly candies are anthocyanins contained in Bali grapes. Isomalt can be used as alternative sweetener in jelly candies as it can form the body and has a sweet taste without after-taste. Isomalt is more stable at higher temperatures and more resistant to hydrolysis by enzymes and acids than sucrose, but with a lower solubility. The different properties of sucrose and isomalt can cause changes in the physicochemical and organoleptic characteristics of jelly candies that need to be investigated the right proportion of sucrose-isomalt. The research design used is Randomized Block Design with a single factor. Isomalt concentrations used were 0%, 5%, 10%, 15%, 20%, 25% with four repetitions for each treatment. The parameters tested include the physicochemical properties of the water content, pH, texture (firmness and tensile strength) and organoleptic properties (color, flavor, and texture). Based on statistic analysis, different proportion of sucrose and isomalt gave significant effect (Î±=5%) on water content, firmness, elasticity, organoleptic test taste and texture but color was not significantly influenced. The higher proportion of isomalt increased water content and firmness of jelly candies, but decreased tensile strength. Treatment isomalt 20% gives the best result based on additive weighting, have 19,18% water content, 14,62 N/10 mm firmness, 119,14 mm tensile strength, the preferance score of color was 3,59, taste was 3,71, texture was 3,60.

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 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.

IDENTIFIKASI POTENSI ANTIOKSIDAN DALAM MINUMAN COKLAT DARI KAKAO LINDAK (Theobroma cacao L.) DENGAN BERBAGAI CARA PREPARASI: METODE FERRIC REDUCING ANTIOXIDANT POWER (FRAP) Halim, Florentin Yunita; Marsono, Yustinus; Suprijono, Maria Matoetina
Jurnal Teknologi Pangan dan Gizi Vol 12, No 1 (2013)
Publisher : Widya Mandala Surabaya Catholic University

Cocoa has been proved to be a source of antioxidant. This study aimed to determine the effect of chocolate drinks preparation to the ability of antioxidants to reduce Ferric Tripyridyl triazine complex (Fe III TPTZ) to Ferro form. This research used a single factor, Chocolate Drinks Preparation Methods consisted of four treatments (P), dissolving the cocoa powder in room temperature water (P1), dissolving cocoa powder in boiled water (P2), dissolving cocoa powders in room temperature water then heated until boiling (P3), and dissolving cocoa powders in room temperature water then heated until boiling using microwave oven (P4). Each treatment was repeated two times. The experiment units were randomized using Randomized Block Design with ability of antioxidants to reduce Ferric Tripyridyl Triazine (Fe III TPTZ) complex to Ferro form as parameter. The effect was analyzed using analysis ANOVA at Î± = 5% then continued with Duncan Multiple Range Test Î± = 5% to determine the level of treatment that gives significant difference. The results showed that preparation methods had significant effect on total phenolic contents in chocolate drinks but showed no significant effect on total flavonoid contents ((+)-catechin nor (-)-epicatechin) and the ability of antioxidants to reduce Ferric Tripyridyl triazine complex (Fe III TPTZ) to Ferro form. Total phenolic content of samples was 16,1 â€“ 28,6 mg GAE/ g chocolate powder. Total flavanoid content was 18,8 â€“ 27,4 mg CE/g chocolate powder and 36,0 â€“ 47,3 mg ECE/g chocolate powder. Cacaoâ€™s antioxidant capacity to reduce Fe3+ to Fe2+ was 136,2 â€“ 168,5 mM Fe(II)/L.

PENGARUH RASIO LARUTAN PENCUCI PADA BAGIAN DADA DAN PAHA AYAM TERHADAP KARAKTERISTIK SURIMI BASED PRODUCT AYAM BROILER Kurniawan, Mario; Matoetina, Maria; Setijawati, Erni
Jurnal Teknologi Pangan dan Gizi Vol 12, No 1 (2013)
Publisher : Widya Mandala Surabaya Catholic University

Surimi-based product can be made from white meat like fish meat but also chicken meat which had different physicochemical properties, similar to if using different part of meat like breast and thigh. The study used Nested Factorial with the the factor is Ratio of Washing NaCl (P) consisted of 1:2 (P1). 1:3 (P2), 1:4(P3) which is nested in Chicken Meat Part Breast (D) and Thigh (P) done using 4 replication in Randomized Sample. The parameter are Gel quality (Gel strenght and Folding test), WHC, water content, and thaw drip surimi based product. Effects of factor were analyzed using ANOVA at Î± = 0.05, continued with DMRT at Î± = 0.05 for the significant parameter. The results showed that the Ratio of Washing Solution NaCl gave significant effect on all parameters studies in each Meats Part Nest. For Breast Part Nest: Increasing of Washing Solution Ratio significantly increased the WHC of surimi based product after thawing from 44,55% to 51,80%, WHC boiled surimi based product from 62, 51% to 69,09%, water content of surimi based product after thawing from 5,50% to 80,71%, gel strength from 2.642.674 g/s to 3.282, 874 g/s, folding test from 6.034,706 g/s to 21.113,346 g/s. For Thigh Part Nest: Increasing of Washing Solution Ratio significantly increased the WHC of surimi based product after thawing from 39,41% to 44,29%, WHC of boiled surimi based product from 56,43% to 63,39%, water content of surimi based product after thawing from 1,53% to 75,50%, gel strength from 1.942,890 g/s to 1.355,189 g/s, folding test from 0.130,079 g/s, to 14.807,769 g/s. Graphic of folding test showed that increasing of washing solution ratio increased gel elasticity properties from 1;2, 1:3, 1:4 on each meat part.

PENGARUH PROPORSI TAPIOKA DAN TERIGU TERHADAP SIFAT FISIKOKIMIA DAN ORGANOLEPTIK KERUPUK BERSELEDRI Kusuma, Theodora Dessryna; Suseno, Thomas Indarto Putut; Surjoseputro, Sutarjo
Jurnal Teknologi Pangan dan Gizi Vol 12, No 1 (2013)
Publisher : Widya Mandala Surabaya Catholic University

Crackers is a popular food in Indonesia. Currently developing the cracker is a cracker without protein in the addition of vegetable materials (vegetable crackers). The addition of celery in cracker can be used as a diversification effort. Crackers are generally made from tapioca that affect the quality of crackers. A good quality appearance is translusent and compact. Substitution of wheat flour is expecte d to improve the quality of the resulting crackers. This research aims to study the influence of the proportion of tapioca and wheat flour in celery crackers characterstics and to determine the proportion of tapioca and wheat flour crackers that can produce good quality and acceptable in terms of sensory. The main materials used in this study is tapioca, wheat flour, fresh celery, baking powder, and water. Research methods with Random Design Group a single factor, namely the proportion of tapioca and wheat. Level of treatment consist of eight levels, proportion wheat flour 0, 5, 10, 15, 20, 25, 30, 35% with three replications. Proportion in the manufacture of tapioca and wheat flour crackers real influence on the water content, volume expantion, bulk density after fried crackers, color, and hardness. Increasing of wheat flour make water content, bulk density, redness, yellowness, and hardness increase too, but volume expantion and lightness decrease. The use of tapioca and wheat flour in addition to the crackers do not give the real effect on the bulk density crackers after drying. The selection of the best treatment based on the weighting test, including volume expantion and organoleptic (appearance, crispness, flavor, and color), the best treatment is proportion wheat flour 15%.

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