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Warta IHP (Warta Industri Hasil Pertanian)
Published by Politeknik AKA Bogor
ISSN : 02151243     EISSN : 26544075     DOI : -
Core Subject : Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Industrial & Manufacturing Engineering
Warta IHP (Industri Hasil Pertanian) is a Scientific Journal which is sourced from research papers, new theoretical/interpretive findings, and critical studies or reviews (by invitation) in the agro-based industry scope that cover any discipline such as: food science and technology, agricultural industry technology, chemistry and essential oils, agricultural products processing machinery, food microbiology, renewable energy, chemical analysis, and food engineering.
Arjuna Subject : -
Articles 804 Documents
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(The Effect of Flour Mixture and CMC Addition on The Preparation of Ready To Used Mixed Flour for Friend Food Products) Sutrisniati, Dwi; Mahdar, Dedi; Wiriano, Harry; Neffi Ridwan, Indra
Warta Industri Hasil Pertanian Vol 12, No 1-2 (1995)
Publisher : Balai Besar Industri Agro

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Abstract

Ready to use mixed flour for fried food products had been made from rice flour and arenga starch, rice flour and tapioca, maize and arenga srarch and maize with tapioca. The comparison of flour applied was 45:55 and added with 0%,0.05% and 0.10% CMC.Ready to use mixed flour was aoolied in the fried food products such as tempeh chip.The result showed that the flour mixing affected the content of amylose and its viscosity,while CMC did not affect the amylose content, but the viscosity increased with the increasing CMC concertration. Organoleptic test (apperance, colour, taste , and flavor)of the fried food products was affected by compound mixed flour, but it was not affected by the addition of CMC in concertration up to 0.10%. The best composition of ready to use mixed flour was mixture of 45% rice flour and 55% arenga starch with 0.10% CMC,also 45%rice flour and 55% with 0.10% CMC.  
(The Study of Production on Aloe Vera Juice Sapto Hartanto, Eddy; Hawani Lubis, Enny
Warta Industri Hasil Pertanian Vol 19, No 1-2 (2002)
Publisher : Balai Besar Industri Agro

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Abstract

A study on aloe vera juice processing has been carried out. stages of treatment include peeling, washing, extraction ,filtration,formulation, bottling pasteurization, sterilization and labeling .the treatment of the formulation were addition of water,cane and non-nutritive sweetener, the equal volume compration between aloe vera and water was the best treatment and preferred by panelist.the best formulation of this research was conducted at PH 3,74 with total solid of 18,02 % sugar conten of 14,675 and benzoat of 521 mg/kg. after 12 weeks storage ,the product showed microbiologically safe and met the indonesia national standard (SNI) of fruit juice.
The Effect of Variety and Methods of Extraction on The Yield and Content of Catechin of Gambir (Uncaria gambir Roxb) Sudibyo, Agus; J, Joseph; -, Pardede; -, Suprapto
Warta Industri Hasil Pertanian Vol 5, No 01 (1988)
Publisher : Balai Besar Industri Agro

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Abstract

A research on the effect of varieties and methods of extraction to the yield and content of catechin of gambier has been conducted. Leaves of gambier from Uncaria gambir Roxb and Uncaria payakumbuh were extracted by steaming and boiling for 5-10 minutes, then pressed in 18.000 kg/cm^2 pressure and dried for 3-4 days. The yields of gambier were 6,44-6,47% (steaming) and 4,80-5,00% (boiling) respectively, whereas the catechin content of gambier were 64,45-65,08% (steaming) and 53,24-55,47% (boiling). Methods of extraction by steaming has a higher yield and catechin content than extraction by boiling.
Produksi Biosurfaktan oleh Pseudomonas aeruginosa dengan Substrat Limbah Biodiesel Terozonasi untuk Peningkatan Gozan, Misri; Nur Fatimah, Izzah; Nanda, Cut; Haris, Abdul
Warta Industri Hasil Pertanian Vol 31, No 02 (2014)
Publisher : Balai Besar Industri Agro

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Abstract

Biosurfaktan bekerja menurunkan tegangan antarmuka sehingga dapat diaplikasikan dalam peningkatan perolehan minyak bumi. Biosurfaktan dapat diproduksi dari Pseudomonas aeruginosa dengan substrat limbah biodiesel. Sayangnya, limbah ini masih memiliki kandungan senyawa yang kompleks, oleh karena itu perlu dilakukan penyederhanaan senyawa. Metode yang digunakan adalah metode ozonasi. Waktu optimum ozonasi substrat adalah 30 menit. Pemilihan waktu ini berdasar pada uji pendahuluan biosurfaktan yaitu uji oil spreading, indeks emulsifikasi dan Total Plate Count. Hasil yang diperoleh dari produksi biosurfaktan dengan substrat yang diozonasi selama 30 menit dapat menurunkan tegangan antarmuka 99,1% dan tegangan permukaan 27,7%. Meskipun terjadi penurunan kedua tegangan secara signifikan, namun nilai kedua jenis tegangan tersebut masih perlu diturunkan lagi agar memenuhi kriteria biosurfaktan yang dapat digunakan untuk peningkatan perolehan minyak bumi.
(The effect of nugmeg flesh (Myristica fragans)treatment on the quality of syrup) Djubaedah, Endah; -, Tiara; Astuti, Pudja
Warta Industri Hasil Pertanian Vol 12, No 1-2 (1995)
Publisher : Balai Besar Industri Agro

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Abstract

The study is aimed at finding the optimum condition for nutmeg flesh soaking in salt solution before being proccesed into syrup. The nutmeg flesh used was fully ripe and 3/4 ripe, while the salt solution was 0%,5 % and 10%.The soaking was done for 0.3 and 6 days.The nutmeg syrup produced was stored for 0.3 and 6 week and the analysis was done for its sugar content,acidity,mould,yeast and organoleptic test. The analysis done on nutmeg flesh consisted of moisture,ash,fat,protein,and crude fiber content.The result showed that syrup made of nutmeg soaked in plain water or 5% salt solution did not show mould and yeast growth.During 6 week of storage the acidy increased and the sugar content decreased.The organoleptic test showed that highest score was obtained from syrup made of fully ripe or 3/4 ripe nutmeg flesh soaked in 5% salt solution.
Potensi Antibakteri Dari Vinegar Bambu Andong (Gigantochloa pseudoarundinaceae) and Ampel Bamboo (Bambusa vulgaris Scharad var.striata) Ima Arie Wardayanie, Ning; Maria Novelina Sitorus, Yus
Warta Industri Hasil Pertanian Vol 29, No 02 (2012)
Publisher : Balai Besar Industri Agro

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Abstract

Vinegar bambu adalah cairan transparan berwarna coklat kemerahan dengan aroma asap yang diperoleh dari kondensasi asap pada proses karbonisasi (pirolisis) bambu. Vinegar bambu mengandung 80-90% air dan campuran lebih dari 200 bahan organik seperti asam asetat, fenol dan aldehid. Secara umum senyawa tersebut berperan sebagai antimikroba, antioksidan, memberikan efek warna dan cita rasa khas asap pada produk asap.Penelitian ini bertujuan untuk (1) mempelajari proses pembuatan vinegar bambu; (2) mempelajari proses pemurnian vinegar bambu dan karakteristiknya; dan (3) mengetahui potensi antibakteri vinegar bambu yang telah dimurnikan dari bambu andong dan bambu dan bambu ampel. Penelitian ini dibagi menjadi 3 tahap yaitu tahap pembuatan vinegar bambu kasar, pemurnian vinegar bambu dan penentuan potensi antibakteri vinegar bambu.Hasil penelitian menunjukkan bahwa proses pemurnian vinegar bambu dengan metoda penyulingan dapat mengurangi kandungan senyawa berbahaya yang terdapat pada vinegar bambu kasar, terutama komponen tar dan PAH. Vinegar bambu mempunyai kadar BaP dan BaA berkisar antara tidak terdeteksi sampai 10 ppb serta kadar tar berkisar antara 0.1% - 0.4%. Vinegar bambu mempunyai aktivitas antibakteri terutama terhadap Staphylococcus aureus dan Pseudomonas. Hasil uji antibakteri menunjukkan bahwa vinegar dari bambu andong dan ampel dapat menghambat Staphylococcus aureus mulai konsentrasi 5%, sedangkan pada bakteri lain seperti Esherichia coli, Aalmonella dan Pseudomonas lebih efektif pada konsentrasi yang lebih tinggi. Dari hasil pengujian tersebut dapat terlihat bahwa aktivitas antibakteri dipengaruhi oleh kadar asam dan kadar fenol. Semakin tinggi kadar asam dan kadar fenol maka aktivitas antibakteri cenderung semakin besar. Selain itu aktivitas antibakteri juga mungkin dipengaruhi oelh efek sinergisitas asam dan fenol.Dari penelitian ini dapat disimpulkan bahwa vinegar bambu yang dimurnikan dengan cara penyulingan, dapat mengurangi kadar tar dan PAH, dan dapat meningkatkan kadar asam dan fenol, yang berperan dalam aktivitas antibakteri. Vinegar yang dipirolisis pada suhu 200 C - 400 C cenderung memilki saktivitas antibakteri yang lebih tinggi.
( A Study on Preventing the Fermentation During The Collection of Palm Sap As A Raw Material For Palm Sugar) -, Sardjono; A. Dachlan, M
Warta Industri Hasil Pertanian Vol 5, No 02 (1988)
Publisher : Balai Besar Industri Agro

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Abstract

A study on preventing the fermentation during the collection of palm sap has been done. The solution of 0.1% sodium metabisulphite, lime powder and ginggihiang leaf (Leea aequata Linn.) were used as preservatives. The bamboo and paralon tubes were used for collecting the sap. The result showed that the preservative was absolutely needed for preventing the fermentation during the sap collection. The average of pH value of sap using lime powder, sodium metabisulphite, natural preservative (ginggihiang leaf) and control is  6.85, 6.40, and 5.90 respectively. 
(Production Biodiesel of Used Cooking Oil by Using Palm Sugar Bunches Ash as Catalyst) Alamsyah, Rizal; Hawani Lubis, Enny; Heryani, Susi
Warta Industri Hasil Pertanian Vol 27, No 01 (2010)
Publisher : Balai Besar Industri Agro

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Abstract

Research on production of used cooking oil by using palm sugar bunches ash as catalyst has been conducted. This research was aimed at investigating to the variation of transesterification time (2,3 and 4 hours) by adding 5% palm sugar bunches ash catalyst. The result of transesterification show the use of palm sugar bunches which is uncomposted give better result than the used of composted in tern of kinematic viscosity value. For other parameter (acid value, glycerol total contain, ester value) using either composted or non composted give biodiesel that meet biodiesel requirement No. 04-7182-2006. Based on the research, it could be concluded that 2 hours transesterifikation using non composted catalyst give biodiesel requirement whit yield of metil ester 87,90% and acid value 0,73 mg KOH/g, kinematic viscosity 2,39 cSt, glycerol total contain 0,128 (%b/b) and aster content 98,72 (%b/b). While a composted catalyst give kinematic viscosity value between 1,69 - 1,98, that is not meet biodiesel requirement (2,3 - 6,0 cSt).
(Effects of Methods and Distillation Time of " Kapolaga " (Amomum cardamomum Wild.) on The Yield and Chemical Properties of The Oil Produced. -, Sumarsi; Harjanto, Sri; Pujiastuti, Untari
Warta Industri Hasil Pertanian Vol 6, No 01 (1989)
Publisher : Balai Besar Industri Agro

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Abstract

The method was steam distillation and water and steam distillation, whereas the duration was, 4,5,6,7 and 8 hours. It was found out that the highest yield (5,85%) was obtained from 6 hours steam distillation. The analysis of the oil showed that steam distillation method gave lower acid number, but water and steam distillation for 4 hours resulted in highest cineolcontent.
(Research on effectiveness of Production of Palm Oil Biodiesel using Static-Mixer Reactor) Alamsyah, Rizal; Junaidi, Lukman; Hawani Lubis, Enny
Warta Industri Hasil Pertanian Vol 27, No 02 (2010)
Publisher : Balai Besar Industri Agro

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Abstract

Research on Effectivenes of Production of Palm Oil Biodiesel Using Static-Mixer Reactor has been conducted. The aim of research was to evaluate the faster and more effective of production process of biodiesel compare to the existing conventional mehod using blade-agitator. The production method investigated was related to application of Static-Mixer Reactor in the biodiesel production. The results show that application of Static-Mixer Reactor ij the biodiesel production give the faster trans-esterification reaction speed in producing Fatty Acid Methyl Ester/FAME compare to blade-agitator reactor. To produce FAME 96,5% as required in SNI Biodiesel (SNI 04-7182-2006), Static-Mixer Reactor only needs 15, 10, dan 5 minutes for temperature 50, 69 and 70 C .  while blade-Mixer Reactor also could produce biodiesel with the viscosity and acid value better than biodiesel which produced by blade-agiitator reactor. The resultd also show that application of static mixer could produce biodiesel that meet the requirements of Indonesia Nasional Standar for Biodiesel (SNI) 04-7182-2006. These could be seen in the quality parameters related to acid value, glycerol total, viscocity, water content, and density.

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