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Warta IHP (Warta Industri Hasil Pertanian)

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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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(Microflora Involved in Spontaneous Retting Fermentation of Cassava and Physical Charcteristics of the Flour) Yuliasri Ramadhani Meutia; Enny Hawani Lubis
Warta Industri Hasil Pertanian Vol 28, No 02 (2011)
Publisher : Balai Besar Industri Agro

The studies about bacteria which involved during retting (fermentation) of cassava are still in indonesia .the aim of this research is to study about the microflora which involved during retting of cassava and also to explore the effect of this spontaneous upon the amylograph properties on the fermented cassava flour. the fermentation process run for 4 days, MRSB /MRSA used as isolation media then the isolates identified using API@ 50 CHL .the result showed that lactobacillus plntarum dominated as microflora which involved on the 1 st and 2 nd day ,and on the 3 ed day the fermentation of cassava was dominated by lactobacillus delbrueckii spp delbrueckiion the last day of fermentation lactococcus lactis ssp lactis was dominated .increase in fermentation time has also increased the stability of paste which was investigated of maximum viscosity and gel strength in the fermentation pf cassava flour .

(Antioxidants : Mechanism of Action and Its Function in Human Body) Hendra Wijaya; Lukman Junaidi
Warta Industri Hasil Pertanian Vol 28, No 02 (2011)
Publisher : Balai Besar Industri Agro

Antioxidant could be defined by several means. Antioxidant is a substance that could postpone and delay oxidation of molecule substrate in human body ,i.e ; protein ,carboydtrate,lipid and DNA, by oxidant. antioxidant that works in the human body's biological system is called a biological antioxidant Biological antioxidants can be grouped into :1) enzymatic antioxidants (endogenous) ,2) non-enzymatic antioxidants (endogenaous) and, 3) antioxidants from food (exogenous0.Enzymatic antioxidants (endogenous) include superoxide dismutase ,catalase ,glutathione peroxidase, glutaredoksin, tioredoksin, peroksiredoksin ,and coenzyme q10.non-enzymatic antioxidants (ENDOGENOUS) are carotenoids,vitamin E and vitamin C those antioxidants are able to work in hydrophobic and hydrophilic cellular environment so as to from a strong network of cooperation in preventing the occurrence of oxidative damage .some of the functions of antioxidants in the human body that can be expressed are ; preventive defense the human body against oxidants ,strong defense system against free redicals ,prevent the occurrence atherosclerosis in blood vessels,regulation of metabolism such as disabling lipoksigenase.

(Heat Pump Drying (HPD) ; Mechanism, technical Analysis, Classification and Its Application) Rizal Alamsyah
Warta Industri Hasil Pertanian Vol 22, No 01 (2005)
Publisher : Balai Besar Industri Agro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32765/warta ihp.v22i01.2527

Heat pump drying (HPD) is one of innovative drying methods due to many advantages in drying for agricultural,food,and timber product.HPD is a drying can employ significant reduction of the energy consumption by energy recovery from condensation humudity.Comparing to orther drying methods such as fluidized,spouted, vaccum drying,HPD was leading in high water removal (kg H2O/kw/hour), wide operating drying temperature scale,wide operating humidity,better quality products,and low operational cost.So far HPD still has some limitation in its application such as the use of CFCs (Cloro fluoro carbon)as refrigerant that is not environmental friendlier,needs regular maintenance for all components of drying system including refrigerant charging, the possilibities for leak of refrigerant, and increase of operational cost.In drying food product,application of HPD was succesful especially in resulting uniform moisture contant,better tensile strength.Timber drying was also enhanced by HPD and the result show that the dried timber has better quality in terms of reduction brown tain in radiana pine,collapse,case hardening,and warpage.The latest tecnology of HPD was hybrid HPD covering fluidized bed HPD,infra red HPD, radio freqiency HPD, solar energy HPD,and multiple chambers of HPD.

(Canangium odoratum Baill)(Study on The Effect of Zeolite Used and Temperature of Bleaching In Improving the quality of Cananga oil (canangium odoratum Baill) Agus Sudibyo; Juli Astuti
Warta Industri Hasil Pertanian Vol 22, No 02 (2005)
Publisher : Balai Besar Industri Agro

The aim of this study was to improve the quality of cananga oil from Bolyolali Central of Java by bleached treatment with zeolite and tartaric acid.were heated at 50 and 60 celsius degree in boiled water bath with active zeolite (A1)and natural zeolite (A2) at 3%(B1),6% (B2)and 9%(B3) and also with a tartaric acid at 3 percent using magnetic stirrer at 250 rpm for 60 minutes.The control was cananga oil without treatment.After filtered the cananga oil were analyzed for the yield, colour tranmission,metal content, ester number,specific gravity at 20 celsius degree,rotary index,optic rotation and solution in 95% of ethnol.The results indicated that the best treatment in term of he yield,tranmission,ester number and metal content was that treating cananga oil with 6% of active zeolite and 3% of tartaric acid at 50 celsius degree.Active zeolite was more affective than natural zeolite in absorbing the undesirable containment.

Substitusi Terigu Oleh tepung Jagung Dan Tepung Beras Pada Produk Kukis Tiurlan Farida Hutajulu; Tita Aviana
Warta Industri Hasil Pertanian Vol 30, No 01 (2013)
Publisher : Balai Besar Industri Agro

Tepung mokaf adalah tepung fermentasi ubi kayu yang dapat mengubah karakteristik dasar dari tepung ubi kayu menjadi lebih putih dan memiliki sifat gelatinisasi yang lebih baik. Untuk dapat memperoleh mutu tepung mokaf yang seragam diperlukan starter mokaf. Penelitian ini bertujuan untuk mempelajari proses pembuatan starter mokaf yang dapat menghasilkan starter mokaf yang dapat bertahan pada waktu penyimpanan 2 minggu pada suhu ruang dan 6 bulan pada suhu pendingin. Berbagai variabel yang dibuat pada penelitian ini antara lain starter yang dibuat dengan proses sentrifugasi dan dengan penambahan trehalose (RBa), starter yang dibuat dengan sentrifugasi dan tanpa penambahan trehalose (RBb), starter yang dibuat tanpa proses sentrifugasi dan dengan penambahan trehalose (RBc), serta starter yang dibuat tanpa sentrifugasi dan tanpa penambahan trehalose (RBd). Hasil penelitian menunjukan bahwa perlakuan terbaik pada pembuatan starter mokaf adalah dengan melibatkan proses sentrifugasi dan tanpa penambahan trehalose (RBb) dalam hal jumlah bakteri asam laktat yang dapat bertahan hidup serta ketahanan simpanannya. Dari hasil penelitian diperoleh starter RBa dan RBd tanpa proses sentrifugasi pada pembuatannya memiliki viabilitas awal 6,05 log CFU/g sampai dengan 6,94 log CFU/g. Sedangkan starter RBb yang menggunakan proses sentrifugasi pada pembuatannya memiliki viabiltas awal yang lebih tinggi yaitu 7,64 log CFU/g dan 9,01 log CFU/g dan starter RBc yang juga menggunakan proses sentrifugasi viabilitas awal 8,03 log CFU/g dan 8,69 log CFU/g. Penyimpanan starter pada suhu 4 0C mengalami penurunan viabilitas lebih kecil dibandingkan dengan starter yang disimpan pada suhu ruang sebesar 0, 62 siklus log selama 6 bulan penyimpanan.

Peningkatan Proses Ekstraksi Minyak Biji Mimba (Neem Seed Oil) dan Purifikasinya Tiurlan Farida Hutajulu; Nobel Christian Siregar
Warta Industri Hasil Pertanian Vol 32, No 02 (2015)
Publisher : Balai Besar Industri Agro

Minyak mimba (neem seed oil) dapat dimanfaatkan dalam bidang kosmetika antara lain: sabun antiseptik, shampoo, krim lulur, dan lotion anti-serangga. Minyak mimba dapat diperoleh dengandi press ataupun diekstrak menghunakan heksan. Rendemen minyak mimba dengan cara pengepresan relatif lebih sedikit Sehingga dilakukan pengembangan ekstraksi minyak mimba dengan pengukusan biji mimba selama 30 menit untuk membuka sel-sel dari jaringan minyak sebelum dilakukan hydroulic press dan screw press. Kemudian dilakukan penjernihan minyak dengan bleaching earth dan arang aktifsehingga diperoleh minyak yang lebih jernih. Pada penelitian ini dilakukan 2 (dua) tahap yaitu penelitian pendahuluan dan penelitian lanjutan. Penelitian pendahuluan dibagi 2 (dua) tahap yaitu tahap ke-1, persiapan bahan baku dengan cara pemisahan kulit biji mimba dan penggilingan sehingga bubuk. Tahap ke-2, proses pengukusan bubuk biji mimba selama 30 menit dan dikeringkan dioven 50oC selama 30 menit kemudian di ekstrak dengan cara hydroulic press dan screw press. Pada penelitian lanjutan, purifikasi minyak dengan arang aktif dan silikat (bleaching earth) untuk memperoleh minyak mimba yang lebih jernih. Hasil penelitian diperoleh rendemen minyak tertinggi dengan cara kukus sekitar 22 % serta hasil purifikasi/penjernihan minyak diperoleh warna minyak lebih jernih. Minyak mimba diesterifikasi dan dianalisis menggunakan Gas chromatography (GC) Hasil analisis minyak dengan gas kromatografi diperoleh dua komponen tertinggi yaitu senyawa eugenol dan asam palmitat

(The Assesment of Cooking Oil Formulas Using Mathematical Approach) Shinta D; Sirait -; Sutrida Nurti; Ingriani -
Warta Industri Hasil Pertanian Vol 7, No 02 (1990)
Publisher : Balai Besar Industri Agro

The formulation technique of vegetable cooking oil had been carried out using basic mathematical method. The study was aimed at preparing formulas in order to fulfil the need for healthy cooking oil. The oil used was coconut oi, palm oi, peanut oil, corn oil, and sesame oil. Four formulas had been obtained. The analysis showed that the formulated oil meet the specification of healthy oil qualitatively and quantitatively.

(Gas Chromatographic Identification of Java Citronella Oils (Andropogon Nardus Java de Jong) Using Methylphenylsyilicon, OV-17, Liquid Phase) Salya Sait
Warta Industri Hasil Pertanian Vol 3, No 01 (1986)
Publisher : Balai Besar Industri Agro

The application of mthylphenylsilicon (OV-17)liquid phase to the gas-liquid chromatographic analysis of Java Citronella Oils (Andropogon nardus Java de Jong) is investigated. The result of analysis are compared with those obtained using Carbowax 20M liquid phase.

(Production Technology Of Biodiesel From Jatropha Oil(Jatropha curcas L.) Rizal Alamsyah
Warta Industri Hasil Pertanian Vol 23, No 01 (2006)
Publisher : Balai Besar Industri Agro

It is so far the world haevily depends on the petroleum oils to fulfill energy consumption such or automotives,industry,generators,heating, agricultural machineries and other energy needs.It was predicted that the world oils reserves will be exhausted in the next 17 years because of its nonrenewable characteristic.Many alternative energy resources have been employed to overcome energy crisis by a lot of countries in the world including Indonesia.Many eeforts have been made to anticipate the scarcity of petroleum oil.Recently,Indonesia and many other countries has develop biodisel which and chemically defined as a methyl ester derived from renewable resources such jatropha oil,palm oil,used frying oil,and other resources.Biodisel sometime addresed to also as FAME (Fatty Acids Methyl Ester)or VOME (Vegetable Oil Methyl Ester) to reccal its chemical origin.Comparing with petroleum diesel the use of bio-diesel has some benefits such as clean burning,renewable,nontoxic and biodegradable fuel.Bio-diesel can be used alone or in blends with petroleum-derived diesel.Basically bio-diesel is made through trans-esterification process with methanol.In lands availabity and technology point of view of bio diesel can produced for both industrial and rural area scale.Petroleum diesel consumption in Indonesia at the time being in around 150.000 MB.Unit now the deficid is fulfilled by import.Currently more than 1 millionton of vegetable oil methyl ester are being produced and used in the world as alternative fuel for engines and for heating.

Isolasi, Uji Aktifitas Antibakteri dan Identifikasi Senyawa Aktif Kapang Endofit dari Tanaman Belimbing Manis (Averrhoa carambola L.) Trisanti Anindyawati; Priadi Dody
Warta Industri Hasil Pertanian Vol 34, No 1 (2017)
Publisher : Balai Besar Industri Agro

ABSTRAK: Tanaman belimbing (Averrhoa carambola) memiliki potensi farmakologis, antara lain sebagai senyawa antimikroba. Kapang endofit isolat A 1.1 yang diisolasi dari ranting tanaman belimbing, diuji potensinya sebagai antibakteri terhadap Bacillus subtilis, Staphylococcus aureus dan Eschericia coli. Uji antibakteri dilakukan dengan metoda difusi cakram. Analisis GC-MS dilakukan terhadap ekstrak etil asetat kapang endofit A 1.1 untuk identifikasi komponen kimianya. Hasil uji antibakteri menunjukkan bahwa ekstrak etil asetat dan ekstrak kloroform mampu menghambat pertumbuhan bakteri uji. Ekstrak etil asetat mempunyai aktivitas DDH (7,5 mm) lebih besar dibanding ekstrak kloroform (6,10 mm) terhadap B. subtilis. Hasil analisis GC-MS menunjukkan bahwa ekstrak etil asetat kapang endofit A 1.1 mengandung 17 komponen kimia. Komponen utamanya adalah 1-Octadecene, 1-Dococene dan 1-Hexadecene.

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