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INDONESIA
Jurnal Teknologi Dan Industri Pangan
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
 34   35   36   37   38 
PENGARUH EKSTRAK JAMU TERHADAP AKTIVITAS SEL NATURAL KILLER DALAM MELISIS ALUR SEL LEUKIMIA (K-562) SECARA IN VITRO [The Effects of Commercial “Jamu” Extracts on Natural Killer Cell Activity in Lysing Leukemic Cell Line (K-562 ) in vitro] Fransiska R. Zakaria; Elisa Veronica D.C.
Jurnal Teknologi dan Industri Pangan Vol. 13 No. 1 (2002): 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 | Full PDF (237.509 KB)

Abstract

Natural killer (NK) cell consitutes white blood cells which specifically functions in lysing tumor and virus invected cells. In this research, a commercial “Jamu”  was tested to observe its effect on NK cells activity against leukemic cell lines (K562) in vitro. Jamu was extracted with hot water, diluted and added into cell cultures consisted of a mixture of human peripheric limphocyte cells, as the source of the effector NK cells, and K562 cell line i.e., the target cells which were cell line derived from human leukemia and had been labelled with H3-thymidine. The mixture of the cells were made by culturing the two cells at the ratio of 50:1 and 100 : 1, respectively. The results showed that lysing activity of NK cells in the presence of “Jamu” water extract measured as lysing percentage and lysing index increased only slightly, which were not statiscally significant. It should be considered that the test used in this research represents only a part of the lysing mechanism by NK cells against the target cells.  An in vivo test  for a period of time will be recessary to elucidate ffurther this NK cell activity.
DESAIN PROTOTIPE SISTEM PERENCANAAN KRISIS STRATEGI PENANGANAN PENCEMARAN PRODUK MINUMAN KONSENTRAT SARI BUAH [Design of Emergency Planning System Prototipe to Contamination Handling Strategy of Fruit Juice Concentrate Product] Erna Rusliana; Marimin .
Jurnal Teknologi dan Industri Pangan Vol. 13 No. 1 (2002): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

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Abstract

Fruit juice concentrate can be contaminated during production process or distribution. One of the contaminant is a bacterium, e.g., Bacillus thermoacidurans. The quality of fruit juice concentrate contaminated by bacteria will  be degraded, and can be even harmful to consumers and loss to the producer. This article discusses a pollution handling strategy of fruit juice concentrate, by designing emergency planning system prototype that is called CONSEPS 2001 (Concentrate Juice Emergency Planning System 2001).  The considered alternatives for handling scenario are pulling the whole polluted products or destroying the entire polluted products. The alternatives were selected  based on effectivity and efficiency consideration.
AKTIVITAS STIMULASI KOMPONEN BIOAKTIF RIMPANG JAHE (Zingiber officinale Roscoe) PADA SEL LIMFOSIT B MANUSIA SECARA IN VITRO [Effects of Bioactive Compounds of Ginger (Zingiber officinale Roscoe) Root on B Cell Lymphocyte Function using In Vitro System . Tejasari; Fransiska R Zakaria; Dondin Sajuthi
Jurnal Teknologi dan Industri Pangan Vol. 13 No. 1 (2002): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

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Abstract

The effect of two fractions of oleoresin compounds from ginger root on lymphocyte function were studied by observing B cell proliferations, which were  measured by the incorporation of 3H-thymidine during cell incubation. The doses of oleoresin compounds and its two fractions tested were 50,100, 150, and 200 mg per ml. Lymphocyte from human peripheral blood were isolated using ficoll density gradient technique, and cultured  in the presence of the compounds in RPMI-1640 medium for 4 days, with or without the addition of 3 mM paraquat as the oxidizing agent.  The results showed that the effects of oleoresin and its two fractions depended on its doses. Oleoresin and its two fractions increased B cell proliferation with  the highest activity of 456 percent at low dose of 50 mg per ml. These result showed a positive effect of oleoresin compound and its two fractions on B cell functions  at low doses. It indicated that bioactive compounds of ginger root at low  concentration have  positive effects on humoral immune response and this supports the traditional belief that ginger increases body resistance to common cold.
PENGARUH PERENDAMAN DAGING PRA KYURING DALAM JUS DAUN SIRIH TERHADAP KETENGIKAN DAN SIFAT ORGANOLEPTIK DENDENG SAPI SELAMA PENYIMPANAN [The Effect of Soaking of Beef in Betle (Piper betle L) Leaf Juice Prior to Curing on Rancidity and Sensory Charact Anang Mohamad Legowo; Soepardie ,; Rita Miranda; Indira Susi Nur Anisa; Yuli Rohidayah
Jurnal Teknologi dan Industri Pangan Vol. 13 No. 1 (2002): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

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Abstract

The research was carried  out to determine the effect of soaking of beef in betle (Piper betle L) leaf juice prior  to curing on peroxide level, thiobarbituric acid (TBA) score, and sensory characteristics of beef “dendeng” during 1-3 months storage. The result in showed that soaking in 10%  of betle leaf juice resulted in “dendeng” with peroxide level of 8.69 meq/kg which was significantly lower  than that of “dendeng” without soaking. TBA scores of “dendeng” soaked in 10% betle leaf juice after 1, 2, and 3 months storage were 0.0131, 0.0159, and 0.0168 μ mole MA/kg, respectively. These scores were lower than that of threshold score of food rancidity (18 μ mole MA/kg). Sensory characteristics (color, taste, and aroma) of “dendeng” during storage were accepted well by the panellists. 
PENGGUNAAN RESPONSE SURFACE METHODOLOGY UNTUK OPTIMASI PROSES DEKAFEINASI MENGGUNAKAN KITOSAN DARI KULIT UDANG [The Use of Response Surface Methodology in Decaffeination Process with Chitosan] Umar Santoso; Novia Tabahana; Henny Krissetiana H; Suhardi ,
Jurnal Teknologi dan Industri Pangan Vol. 13 No. 1 (2002): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

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Abstract

The objective of the present study was to determine the optimum condition of decaffeination process with chitosan in a model system using Response Surface Methodology. A 1000ppm caffeine solution was mixed with chitosan in varried concentrations, temperatures and process times.  After filtration, caffeine in the filtrate was determined. The lower caffeine in the filtrate the more effective the decaffeination process. Result of  the experiment showed that among  chitosan concentrations of  50, 60, 70, 80, 90, and 100 mg per 100 ml caffeine solution, the concentration of 70mg was the most effective. Among temperatures applied of 28, 40, 60, 80, 90, and 100oC, the most effective was of 90oC. And among the process times of 15, 30, 60, and 90 minutes, 15 minutes was the most effective. Result of optimatization using RSM showed that  the optimum condition of decaffeination process were concentration of chitosan of 69,52mg, temperature of 89,71oC, and process time of 14,88 minutes. Under this condition the process diminished 79,56% of caffeine from the model system.
EKSTRAK JAHE (Zingiber officinale Roscoe) PENGHAMBAT OKSIDASI LDL [Ginger (Zingiber officinale Roscoe) Extracts Inhibits LDL Oxidation] Aisyah Tri Septiana; Fransiska R Zakaria; Sulistiyani ,
Jurnal Teknologi dan Industri Pangan Vol. 13 No. 1 (2002): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

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Abstract

Oxidative modification of LDL is believed to play an important role in atherogenesis.  Dichloromethane extract of ginger rhizomes exhibited a strong antioxidative activity using linoleic acid as substrate.  We investigated the in vitro effect of these extract enrichment on the prevention of oxidative LDL by CuSO4. Plasma was supplemented with 43, 430, or 4300 mg/ml dichloromethane extract in dimethylsulfoxide (DMSO) (10 ml DMSO per ml plasma), incubated, and the LDL was isolated.  Lag phase and malonaldehide content was analized after the isolated LDL was oxidized using CuSO4.  The result showed that dichloromethane extract of ginger rhizomes suplementation prolonged lag phase and reduced malonaldehide formation depended on its concentration.  Concentration of 43 and 4300 mg/ml plasma of these extract reduced malonaldehide formation by 35,29 % and 69,72 % respectively, but not significant in prolonged lag phase.  Concentration of these extract with largest prolonged lag phase (82,16 %) and reduced malonaldehide formation (74,95 %)  was 430  mg/ml plasma.  This research has shown that ginger extract is capable of protecting LDL from oxidation. 
OPTIMASI RENDEMEN EKSTRAKSI LESITIN DARI MINYAK KEDELAI VARIETAS ANJASMORO DENGAN WATER DEGUMMING [Yield Optimization of Lecithin Extraction of Anjasmoro Variety Soybean Oil by Water Degumming] Teti Estiasih; Kgs. Ahmadi; Erliana Ginting; Deny Kurniawati
Jurnal Teknologi dan Industri Pangan Vol. 24 No. 1 (2013): 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 | Full PDF (585.484 KB) | DOI: 10.6066/jtip.2013.24.1.97

Abstract

Lecithin is one of natural emulsifiers widely used in food industries. The main source of lecithin is soybean and it is obtained during water degumming in soybean oil purification. This research was aimed to optimize the yield of lecithin during water degumming of Anjasmoro variety soybean oil by response surface methodology. The factors optimized were added water (%), temperature (ºC), and extraction time (minute). The relationship between lecithin yield and the parameters was quadratic. The response increased up to a certain point, and then decreased. Optimum water degumming was obtained at water additon of 2.95%, temperature of 61.96°C, and extraction time of 30.02 minutes. At optimum condition, the lecithin yield was 1.55% and the phosphor content was 3865.30 ppm suggesting lecithin purity of 56.24%. Verification showed that the yield was close to the prediction value of 1.49%. The purification process resulted in lecithin purity of 83.96% which was in compliance with the legal purity specification of food grade lecithin.
AKTIVITAS ANTIOKSIDATIF DAN HIPOKOLESTEROLEMIK EKSTRAK TEH HIJAU DAN TEH WANGI PADA TIKUS YANG DIBERI RANSUM KAYA ASAM LEMAK TIDAK JENUH GANDA [Antioxidative and Hipocholesterolemic Activity of Green Tea and Jasmine Green Tea Extracts in Rats Fed wi Arif Hartoyo; Mary Astuti
Jurnal Teknologi dan Industri Pangan Vol. 13 No. 1 (2002): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

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Abstract

The aim of  this study was to evaluate in-vivo the antioxidative and hipocholesterolemic activity of green tea and jasmine green tea extracts in 3.5-month-old Sprague Dawley  male rats given high PUFA diet for 4 weeks.   In rats fed with (adlibidom or forcely adted)  high PUFA diet supplemented  with green tea extract, serum and liver homogenate malondialdehyde level and the liver homogenate cholesterol level were greater than rats fed with  the high PUFA diet supplemented with jasmine green tea extract pn the control.  In contrast, no change was observed in serum cholesterol level in rats fed with the high PUFA diet  containing green tea or jasmine green tea extract as compared with the high PUFA diet.
ACIDIC SOAKING AND STEAM BLANCHING RETAIN ANTHOCYANINS AND POLYPHENOLS IN PURPLE Dioscorea alata FLOUR [Perendaman Asam dan Blanching Uap Mempertahankan Antosianin dan Polifenol Tepung Dioscorea alata Ungu] Nelis Imanningsih; Deddy Muchtadi; Tutik Wresdiyati; Nurheni Sri Palupi; . Komari
Jurnal Teknologi dan Industri Pangan Vol. 24 No. 2 (2013): 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 | Full PDF (700.821 KB) | DOI: 10.6066/jtip.2013.24.2.121

Abstract

Purple Dioscorea alata (DA) tuber has health benefits due to its bioactive anthocyanins, which belong to polyphenolic group. Tuber is commonly made into flour to optimize its uses, however, the anthocyanins undergo significant degradation during processing because of the endogenous polyphenol oxidase activities. This research investigated factors that retain anthocyanins and polyphenols in the purple DA flour as well as its antioxidant capacity. The types of treatments during milling process should be taken into account; for instance, soaking in citric acid and blanching in order to preserve the bioactive compounds. To examine the inhibitory effects of acidic soaking and steam blanching on polyphenol oxidase activities, these experiments used four levels of citric acid (0, 0.25, 0.5, and 1%) and two levels of steam blanching time course (5 and 10 minutes). It was found that steam blanching for 5 or 10 minutes could reduce the activity of polyphenol oxidase, and consequently, retard the oxidation process and retain the polyphenolic compounds. Soaking the purple DA slices into a 1% citric acid solution followed by steam blanching for 10 min resulted in the highest total anthocyanins (104.36 mg/100 g), polyphenols (198.52 mg equivalent gallic acid/100 g), with an antioxidant capacity of 1.300 mg trolox equivalent/100 g. This study showed that the retention of bioactive compounds of DA tuber through soaking the tuber slices in solution containing inexpensive chemicals like citric acid at low concentrations, combined with 10 minutes of steam blanching resulted in flour containing total anthocyanins and phenolic as high as 44.51% and 62.58% of fresh tuber, respectively.
PEMBUATAN CRACKERS JAGUNG DAN PENDUGAAN UMUR SIMPANNYA DENGAN PENDEKATAN KADAR AIR KRITIS [Production of Corn Cracker and Prediction of Its Shelf Life Using a Critical Moisture Approach] . Sugiyono; Esther Mariana; Aton Yulianto
Jurnal Teknologi dan Industri Pangan Vol. 24 No. 2 (2013): 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 | Full PDF (674.404 KB) | DOI: 10.6066/jtip.2013.24.2.129

Abstract

The objectives of this research were to produce crackers based on corn flour and to predict its shelf life using a critical moisture approach.The best crackers were produced from a mixture of 60% corn flour and 40% glutinous rice flour. The products had a puffing ratio of 11%, crispiness of 250.8 gf and hardness of 384.7 gf. The corn crackers had better crispiness and hardness than those of commercial rice crackers. The moisture sorption isotherm curve of corn crackers could be described using a Hasley model. Using the critical moisture approach, corn crackers packaged in a metallized plastic and stored at 30°C and 75% relative humidity had a shelf life of 366 days. If the products were stored at 85% relative humidity, the product shelf life would be 150 days.

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