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Jurnal Teknologi Dan Industri Pangan

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Published by Institut Pertanian Bogor

ISSN : 19797788 EISSN : 2087751X DOI : 10.6066

Core Subject : Agriculture, Engineering,

Agriculture, Biological Sciences & Forestry Industrial & Manufacturing Engineering

Arjuna Subject : -

Articles 635 Documents

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KARAKTERISTIK FISIKOKIMIA DAN SENSORI KOMBUCHA CASCARA (KULIT KOPI RANUM) Nurhayati Nurhayati; Sih Yuwanti; Aurora Urbahillah
Jurnal Teknologi dan Industri Pangan Vol. 31 No. 1 (2020): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Kombucha is usually made from tea leaves (Camellia sinensis L.) extracts added with sugar which is fermented with kombucha starter symbiotic culture of bacteria and yeast (SCOBY) containing. Acetobacter xylinum and yeasts including Saccharomyces cerevisiae. In addition to tea leaves, leather dried coffee (cascara) can be harnessed into beverages like tea steeping. This research aims to ferment cascara tea by SCOBY and characterize the cascara kombucha. These research use two factors i.e. cascara concentrations (1 and 2% b/v) and fermentation periods (4, 8, 12, and 16 days). Sugar was dissolved into water and boilled, added with the cascara while stirring for about 5 minutes, filtered and cooled to 40°C, and then fermented in glass jars with faucets indoor without exposure to direct sunlight for 4, 8, 12, and 16 days. The results showed that concentration of cascara and fermentation time affected the characteristics of cascara kombucha. The effectiveness tests showed that cascara kombucha made from 1% b/v cascara fermented for 8 days resulted in the best and most preferred kombucha. The kombucha characteristics include dissolved solid content of 11.25°Brix, specific gravity of 1.01 g/mL, viscosity of 0.9 cP, brightness (L) 42.0, reddish color (a) 15.1, yellowish color (b) 28.88, pH 3.43, total acid of 0.29, phenolic of 9.9 mg GAE/mL. The kombucha flavor was slightly acidic, murky in color, with slight bitter taste.

PENGEMBANGAN BEE POLLEN SNACK BAR UNTUK ANAK USIA SEKOLAH Qurratu Aini; Ahmad Sulaeman; Tiurma Sinaga
Jurnal Teknologi dan Industri Pangan Vol. 31 No. 1 (2020): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

The objective of this study was to analyze the nutrition content, antioxidant activity, mineral bio-availability and amino acid composition of a bee pollen snack bar. This study was a pure experimental study along with complete randomized design. The treatment factor was the addition of bee pollen which resulted in five formulas. The product was made from Sormeal, rice crispy, chocolates, dates, cashews and bee pollen. Formula F3 with the addition of bee pollen of 10% was analyzed for its nutrient content, antioxidant activity and availability of Fe and Zn. The F3 formula contained 5.91% water, 1.72% ash, 11.30% protein, 16.52% fat and 64.52 carbohydrate. The antioxidant activity test of the product was 10.77 mg ascorbic acid/g sample. Meanwhile, the bioavalaibility of Fe and Zn of the product were 17.02 and 6.84 mg/kg, respectively. This product can be considered as a nutritious snack that could improve imunity and potentially improve school-aged children learning performance.

PROFIL SENSORI DESKRIPTIF PRODUK PEMANIS TUNGGAL DAN CAMPURAN Dede Robiatul Adawiyah; Dian Puspitasari; Lince Lince
Jurnal Teknologi dan Industri Pangan Vol. 31 No. 1 (2020): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Sweetener as a food additive which gives sweet taste has a different profile from sucrose. Intensity profile and attribute sensation become very useful in developing mixed sweeteners from single sweeteners to create commercial sweeteners having a sucrose-like profile. However, there is only few data of attribute intensity and descriptive profiles of single sweeteners. The aim of this research was to analyze the des-criptive profile of single and mixed sweeteners using quantitative descriptive analysis (QDA), time intensity (TI), and temporal dominance of sensations (TDS) methods. The results of QDA descriptive profile showed that samples of a single sweetener T3 as well as mixed sweetener containing C2 and C5 had the same characteristics as sucrose. The results of TI descriptive profiles showed that the time intensity curves of sweet attribute of a sample of two mixed sweeteners C1 and C2, and a single sweetener T3 were similar to that of sucrose. The results of the descriptive profile using TDS methods generally showed that the do-minant attributes of all samples were sweet, sweet aftertaste, and licorice. Bitter and bitter aftertaste attri-butes were found in single sweetener T7, while mixed sweetener C1 had best sensory characteristics than the others.

PEMETAAN KARAKTERISTIK KIMIA BIJI KOPI ARABIKA GAYO DAN ROBUSTA GAYO Maya Saputri; Hanifah Nuryani Lioe; C. Hanny Wijaya
Jurnal Teknologi dan Industri Pangan Vol. 31 No. 1 (2020): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

The distinctive aroma and taste of roasted coffee can be due to varietal differences in green coffee beans. The purpose of this research was to map the chemical characteristics of green coffee beans of Gayo arabica and Gayo robusta using principal component analysis (PCA) approach. Other analyses include pH using pH meter, total fats by Soxhlet method, total ash by gravimetric method, total protein by Kjeldahl method, total carbohydrates by difference, total soluble solids (TSS) by refractometer, organic acids composition by HPLC-UV/Vis, and total amino acids composition by UHPLC-PDAD. Six green coffee bean samples of Gayo arabica and Gayo robusta from different locations in Gayo, Aceh, as well as samples of arabica and robusta coffee beans each from plantation in West Java, Central Java and East Java (as comparators) were used in this study. The results showed the chemical characteristics of Gayo arabica and Gayo robusta could be mapped by PCA based on the concentrations of fats, organic acids and carbohydrates. The organic acid composition of Gayo arabica was associated with malic acid, succinic acid and citric acid, while Gayo robusta to acetic acid. The organic acids as well as TSS of the coffee beans could map Gayo arabica separately from Java arabica. Gayo arabica had higher organic acids, whereas Java arabica had higher TSS. Gayo robusta were characterized by higher fats, ash and total amino acids, but lower TSS than Java robusta. This study suggested the distinct characteristics of Gayo coffee beans to their corresponding coffee beans from Java.

SIFAT FISIKOKIMIA DAN SENSORIS BERAS ANALOG JAGUNG DENGAN PENAMBAHAN TEPUNG KEDELAI Tyas Hermala Anindita; Feri Kusnandar; Slamet Budijanto
Jurnal Teknologi dan Industri Pangan Vol. 31 No. 1 (2020): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Rice analogs are rice-like products processed from various non-rice carbohydrate sources, such as corn flour. A high-protein rice analog can be produced with the addition of soybean into the formula of corn-based rice analog. This research aimed to evaluate a high-protein rice analogs made with the addition of soybeans (Grobogan or Detam-1 variety) in terms of their chemical composition, water holding capacity, texture and sensory qualities. The rice analogs were produced from corn flour, soybean flour, sagoo starch, glycerol monostearate (GMS) and water using hot-extrusion methods. The percentage of Grobogan or Detam-1 soybean flour added varied, i.e. 10, 15, 20, and 25%. The addition of soybean flour of Grobogan variety increased the protein content of the rice analog. A high-protein rice analog can be obtained by adding 20% Grobogan soybean flour or 15% Detam-1 soybean flour. The fat and dietary fiber content of rice analog also increased, while the carbohydrate content decreased. The hardness and cohesiveness of the rice analog decreased as the amount of soybean flour addition increased. However, panelists did not detect any changes up to 25% of soybean flour addition. The water holding capacity of the rice analog also decreased as the amount of soybean flour increased. The panelists detected the changes in water holding capacity starting from 20% soybean flour addition.

SENYAWA FENOLIK, ORYZANOL, DAN AKTIVITAS ANTIOKSIDAN BEKATUL YANG DIFERMENTASI DENGAN Rhizopus oryzae Faizah Faizah; Feri Kusnandar; Siti Nurjanah
Jurnal Teknologi dan Industri Pangan Vol. 31 No. 1 (2020): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Rice bran is a by-product of milled rice. It contains bioactive compounds, such as total phenolic compounds and g-oryzanol known to have antioxidant activities. However, these bioactive compounds are chemically bound in the lignin matrix of the rice bran. Fermentation process potentially releases the bound forms of the active compounds to become the free ones. In this research, the rice brans of three varieties, i.e. Inpari 24 (red rice), inpari 30 (white rice), and koshihikari (white rice), were fermented using Rhizopus oryzae for 0, 24, 48, 72, 96 and 120 hours. Those showed highest antioxidant activities by DPPH assays were selected for further chemical composition analyses (moisture, ash, fat, protein, and carbohydrate), total phenolic compound, and g-oryzanol. The fermentation process significantly increased (P<0.05) the antioxidant activities of all rice brans and those fermented for 72 hours showed the highest antioxidant activities. This fermentation condition resulted in significant increase in moisture, ash and protein contents, while decreasing the fat and carbohydrate contents. The total phenolic compound and g-oryzanol of the three fermented rice brans increased significantly (P<0.05). The fermented rice bran of Inpari 24 variety showed the highest antioxidant activity, total phenolic compound, and g-oryzanol contents as compared to those of Inpari 30 and Koshihikari varieties.

STUDI IN VITRO BAKTERI ASAM LAKTAT KANDIDAT PROBIOTIK DARI MAKANAN FERMENTASI INDONESIA Gunawan Priadi; Fitri Setiyoningrum; Fifi Afiati; Rohmatussolihat Irzaldi; Puspita Lisdiyanti
Jurnal Teknologi dan Industri Pangan Vol. 31 No. 1 (2020): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Indonesia has a rich variety of fermented foods. The lactic acid bacteria contained in such fermented foods can act as probotics providing positive effects on digestive health. Lack of information about the characteristics of the native LAB caused insufficient use of them in functional food products. The purpose of this study was to carry out in vitro selection of potential probiotics of lactic acid bacteria isolated from non-dairy fermented foods i.e. pickle, cassava tape, terasi and dadih. The probiotic property tests are acid and bile salt tolerance assays, hydrophobicity test, adhesion test and coaggregation test. LAB isolates passing all tests indicate that they are potential as probiotics. This study obtained 4 LABs having probiotics properties by in vitro tests, i.e. L. plantarum LIPI12-2-LAB004 from pickle (Yogyakarta), L. plantarum LIPI12-2-LAB031 from cassava tape (Yogyakarta), L. plantarum LIPI13-2-LAB011 from terasi (Bali), and L. plantarum LIPI13-2-LAB087 from terasi (Solok). The four LAB were able to survive high acid and bile salt concentrations above 85%, had hydrophobicities above 95%, capable of adhering to solid surfaces for 24 hours, and were able to co-aggregate with other LAB isolates.

INKORPORASI OLEAT DAN EKSTRAK ANTOSIANIN PADA FILM GELATIN SEBAGAI INDIKATOR pH UNTUK KEMASAN PINTAR Azis Boing Sitanggang; Muhammad Fakhrian Irsali; Saroat Rawdkeun
Jurnal Teknologi dan Industri Pangan Vol. 31 No. 1 (2020): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

This study was aimed to develop and investigate the characteristics of the intelligent films made from gelatin with oleic acid (OA) and anthocyanin extract incorporation. Anthocyanin was extracted from red cabbage (RC), sweet potato (SP), black bean coat seed (BB), and purple rice (CR), and then tested for pH sensitivity. Anthocyanin from SP was selected as it showed the highest pH sensitivity. Gelatin film was incorporated with 20% of anthocyanin extract and 50% OA. The films with OA and anthocyanin extracts incorporation was selected for application as the color changes can be observed clearly at pH 2-11. Red color was present on the film added with anthocyanin extract from SP. OA incorporation significantly decreased the elongation of the film, while it was on the contrary for anthocyanin extract incorporation. Both OA and anthocyanin extracts incorporation decreased thickness, moisture content, and tensile strength of the film significantly (P<0.05). Additionally, there was a reduction trend of water vapor permeability for gelatin film incorporated with OA and anthocyanin. However, this reduction was insignificantly different with the control (P>0.05). The incorporation of OA provided wavier surfaces while anthocyanin extract incorporation enhanced the compactness and smoothness of the films, and provided smoother surfaces of the film. A higher enthalpy was needed for melting the film with anthocyanin extract.

CARBOHYDRATE DEGRADATION OF TUBER PASTE FLOUR BY THE ADDITION OF α-AMYLASE FROM TWO Lactobacillus SPECIES Tatik Khusniati; Gadis Trieska Dewi; Anna P. Roswiem; Suci Ayu Azhari; Febi Ishfahani; Sulistiani Sulistiani
Jurnal Teknologi dan Industri Pangan Vol. 31 No. 1 (2020): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

The quality of Indonesia tuber flour can be improved by α-amylases which hydrolyzes the flour amylose to glucose and maltose. These monosaccharides causes the flour to have better homogeniety similar to wheat flour and easier to digest. This research aimed at investigating carbohydrate degradation of tuber paste flour by the addition of α-amylase from two Lactobacillus species. Lactobacillus species used were Lactobacillus bulgaricus and L. plantarum B110, while the flour types were made of local taro (Colocasia esculenta), gadung (Dioscorea hispida) and sweet potato (Ipomoea batatas), as well as wheat (Triticum) as a reference. Crude α-amylase activity and reducing sugars were detected by the Dinitrosalycylic acid (DNS) method. Data were statistically analyzed with ANOVA. Research results indicated that α-amylase from L. bulgaricus and L. plantarum B110 have been characterized for their optimum activity and stabilitiy. The reducing sugar content in taro, gadung, sweet potato paste flour and wheat paste flour added with α-amylase of L. bulgaricus increased by 0.008, 0.006, 0.004 and 0.001%, respectively. Meanwhile, the reducing sugars of the above flours added with amylase from L. plantarum B110, increased by 0.008, 0.008, 0.008, and 0.003%, respectively. Increase in reducing sugar contents in carbohydrate degradation of local tuber paste flour added with L. bulgaricus α-amylases was higher than that in wheat paste flour with a 0.001% increase. Similarly, the 0.008% increase of sugar content in tuber paste added with L. plantarum B110 α-amylase was also higher than that in wheat flour with 0.003% increase. Therefore, local tuber paste flour can be used as an alternative to wheat paste flour.

KONSENTRASI ASAM ASETAT MEMENGARUHI KARAKTERISTIK FISIKOKIMIA PATI SAGU IHUR TERASETILASI Febby J. Polnaya; Hilda Hilda; Cynthia G. C. Lopulalan
Jurnal Teknologi dan Industri Pangan Vol. 31 No. 2 (2020): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.6066/jtip.2020.31.2.180

Native ihur sago starch is a starch from Maluku and to date there is no report on its physicochemical properties. The objective of this work was to evaluate the effect of acetic acid concentration on the physicochemical properties of the native ihur sago starch. The starch was acetylated at different acetic acid concentrations, i.e., 0, 0.5, 1.5, and 2.5%. The acetylation was carried out by reacting ihur sago starch solution (100 g in 225 mL water) with acetic acid under alkaline condition. The acetyl group, degree of substitution (DS), water solubility, swelling power, paste clarity, and water, ash and amylose contents of the acetylated starch were measured. The study was conducted in three replications of non-factorial experiments using a completely randomized design. Starch modification through acetic acid addition produced ihur sago starch with different physicochemical characteristics from that of its native form. The acetylation caused the hydroxyl group in the starch to be substituted by acetyl group at concentration of 1.336-1.850% and DS range of 0.026-0.046, whilst no acetyl group was detected in its native starch. Acetylation increased the starch ash content from 0.46% to 0.50-0.57%, amylose content from 28.86% to 29.73-31.46%, solubility from 12.83% to 14.20-25.20%, swelling power from 18.51 g/g to 16.74-28.24 g/g and paste clarity from 93.07%T650 to 93.50-94.13%T650. In addition, acetylation at 0.5% increased the water content of the starch while higher concentration of acetylation could decrease its water content.

Page 53 of 64 | Total Record : 635

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Sekretariat Jurnal Teknologi dan Industri Pangan

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jurnaltip@gmail.com/jurnaltip@yahoo.com

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+62251-8626725

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