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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 5 Documents
 1 
Search results for , issue " Vol 29, No 01 (2012)" : 5 Documents clear
The Use of Bioactive Neem For Preparation Anti Insects Sapto Hartanto, Eddy; Farida Hutajulu, Tiurlan
Warta Industri Hasil Pertanian Vol 29, No 01 (2012)
Publisher : Balai Besar Industri Agro

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Abstract

Nowadays, the use of natural plant source insecticides in one of the best chosen due to its characteristic, which of safer and easily degradable by nature (biodegradable) compared to synthetic materials. One of plant sources wiich consists of active components for insecticides is neem plant. This study aimed to determine the effect of extraction of active ingredients of neem seeds and leaves by fermentation using Effective Microorganisms (EM4). The Extraction of seed and leaf neem to produce neems active compound was conducted by using Effective Microorganisms. The efficacy test of the neem seed and leaf was conducted by using fermented extract concentrated of 3% and 6% and observed with interval of 2 to 6 days. The formula used in this experiment which A as raw material and B as concentration of Effective Microorganisms are A1 as neem;s seed, A2 as neems leaves; and B as concentration of effective microorganisms which is B1 as 3 %, concentration and B2 as 6 % concentration. The extraction product were evaporated with rotary vacuum evaporator. The extracts obtained were tested their solubility. Azadirachtin were obtained on combination od A1B2 for neem,s seeds for 6 days fermentation period which acquired 1313,23 ppm (61,25 %) of azadirachtin and combination of A2B2 for neem;s leaves which acquired 665,69 ppm (69,17%) of azadirachtin from raw materials. The active compounds were tested their ability as insecticide and showed that 50 ppm of azadirachtin concentration still effective for 14 days evaluation.
Hydrocoloids Biofunctional Food from Seaweeds and Its Applications in Food Industry Noviendri, Dedi; Fitri Hasrini, Reno
Warta Industri Hasil Pertanian Vol 29, No 01 (2012)
Publisher : Balai Besar Industri Agro

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Abstract

Hydrocolloids have a wide array of functional prpperties in foods. The most hydrocolloids from seaweeds are carregeenan, alginate and agar. Carrageenan and agar are sulfates polysaccharides mainly extracted from red seaweeds (Rhodophyceae) while alginate is extracted from brown seaweeds (Phaeophyceae). Gelidium and Gracilaria are the main seaweeds for commercially producing agar. Kappaphycus and Euchema spcies are the main seaweeds for commercialy producing carrageenan. Then, Laminaria and Sargassum species are the main brown algae for commercially producing alginate. Furthermore, hydrocolloids from seaweeds or marine hydrocolloids are apllied in the food industry for their functional characteristics such as emulsifying, thickening, gelling, and stabilizing agent. All of these hydrocolloidsnamely, alginate, agar and carrageenan have received regulatory approvals from the European Council, the United States Food and Drug Administration, Food and Agriculture Organization, and Codex Alimantarius Commision.
Perbaikan Teknologi Pengolahan Dodol Jambu Biji Skala IKM Lestari, Nami; Isyanti, Mirna; Rahardjo, Sumadyo
Warta Industri Hasil Pertanian Vol 29, No 01 (2012)
Publisher : Balai Besar Industri Agro

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Abstract

Buah jambu biji (Psidium guajava L) adalah salah satu hasil hortikultura yang potensial untuk dikembangkan. Buah jambu biji segar mempunyai rasa dan aroma yang kuat, sehingga dapat diolah menjadi berbagai produk awetan, diantaranya adalah produk dodol. Produk dodol jambu biji sudah diproduksi di beberapa daerah, mulai dari skala Industri Rumah Tangga (IRT) sampai skala IKM. Masalah yang dihadapi pengrajin dodol adalah belum adanya formula yang tepat, penentuan kematangan dodol, waktu pemasakan yang terlalu lama serta daya awet dodol yang singkat, sehingga jangkauan pemasarannya tidak terlalu jauh. Tujuan penelitian yang dilakukan adalah meningkatkan mutu produk dodol jambu biji yang diproduksi pengrajin (skala IKM) dan mendapatkan Standar Operational Procedur (SOP) pengolahan dodol jambu yang tepat. Metode penelitian terdiri dari kinjungan studi dan identifikasi ke pengrajin dodol jambu biji, percobaan perbaikan proses pengolahan dodol jambu biji, analisis dan penyimpanan produk dodol jambu biji, serta evaluasi teknologi dan proses pembuatan dodol jambu biji. Dengan melakukan proses produksi dalam kondisi menerapkan GMP, menggunakan peralatan produksi terukur suhu dan lama pemanasannya, serta penggunaan santan kelapa yang tidak mudah terhidrolisa dibandingkan minyak goreng, proses pengolahan dodol jambu terbaik dalam proses C. Formulasi proses pengolahan C adalah santan kental (30%). SOP pengolahan dodol jambu biji meliputi proses sortasi, blanching, penghancuran, penyaringan, penimbangan bubur buah dan bahan penolong, pemasakan, kematangan produk ditandai adonan mudah dibalik, tidak lengket dan warna produk coklat, penyimpanan dalam suhu ruang selama 24 jam, pemotongan dan pembentukan, serta pengemasan. Hasil analisa mutu dodol jambu biji terpilih (prses C) adalah kadar air sebesar 12,0%, kadar abu 1,08%, serat kasar 2,01%, jumlah gula 53,7%, ALT 40 kloni/g, kapang dan khamir <10 koloni/g, dan E. Coli <3 APM/g.
The Optimation of Shrimp Shells Demineralisation, Deproteinisation, and Deasetilation on Water Soluble Chitosan Production Alamsyah, Rizal; Heryani, Susi; Susanti, Irma
Warta Industri Hasil Pertanian Vol 29, No 01 (2012)
Publisher : Balai Besar Industri Agro

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Abstract

Shrimps shell still considered a solid waste (solid waste) and the problem of environmental pollution. Shrimp shell processing into high value-added products such as chitin and chitosan water soluble can expand its application in user industries. This study was aimed to obtain optimal condition for shrimp shells which resulted from quick frozen shrimp into water soluble chitosan (WSC). Stage of the process was conducted on the extraction of chitin (demineralization and deproteinasi), extraction of acid-soluble chitosan (ASC) (deacetylation), and manufacture of water-soluble chitosan. Demineralization of shrimp shells performed using 1 N HCL, the ratio (1:4), at a temperature of 70-75 C. Deproteinisasi performed using NaOH 3.5%, ratio (1:4) at a temperature of 80-85 C, the results of the deproteinisasi is chitin. Extraction of chitosan (deacetylation process) is done using NaOH 50%, ratio (1:20) at a temperature of 120-140 C. Demineralization, deproteinization, and deacetilation were conducted for 4 and 6 hours. One treatment was also conducted to produce ASC by applying directly deacetilation NaOH 50% at 140 C without demineralization and deproteinization. For the WSC stage, ASC producd was then mixed with DMAc (dimethyl acetate), stored (for aging), separated, washed, dried, and blended. The best treatment is demineralization process step, deproteinisasiand deacetylation for 4 hours, which ASC yield of 28.33% and WSC 15.46%. As for the process of direct deasetilisasi, produced the greates chitosan. The best characteristics of WSC was expressed in term of solubility (5 mg WSC/250 mL water), moisture content (10,0%), mineral or ash content (0.16%), nitrogen content (2.11%), viscosity (6 cps), and degree of deacetylation (64,75%).
Mempelajari Aktifitas Lumpur Aktif Pada Limbah Cair Industri Pangan Sebagai Sumber Mikroba Dalam Pengolahan Limbah Cair Industri Pangan Susanto, Eko; Sapto Hartanto, Eddy
Warta Industri Hasil Pertanian Vol 29, No 01 (2012)
Publisher : Balai Besar Industri Agro

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Abstract

Dalam kegiatan produksi, industri pangan selalu menghasilkan limbah, baik berupa limbah padat, limbah cair maupun gas. Salah satu cara pengolahan limbah cair indutri pangan adalah dengan cara biologi, menggunakan mikroorganisme selektif sesuai dengan karakteristik limbah industri pangan yang diolah. Pada kegiatan ini telah dilakukan penelitian penggunaan beberapa jenis starter yang berasal dari lumpur limbah cair yang bersala dari industri tahu, bihun dan roti. Penelitian ini bertujuan untuk mendapatkan produk starter mikroorganisme siap pakai dengan biaya murah. Penelitian dilakukan dengan menggunakan 3 faktor yakni A,B dan C dimana faktor A adalah jenis limbah cair, yaitu limbah cair industri tahu, limbah cair industri bihun dan limbah cair industri roti. Faktor B adalah jenis starter yang digunakan yakni lumpur aktif/sludge, phenobac dan kontrol. SEdangkan faktor C adalah waktu inkubasi, 0,2m4 dan 6 hari. Hasil penelitian menunjukkan bahwa lumpur aktif dari industri bihun dapat digunakan untuk mengolah limbah industri pangan lainnya. Tingkat penurunan BOD tertinggi adalah perlakuan limbah cair industri tahu dengan menggunakan lumpur aktif industri bihun selama 6 hari dapat menurunkan BOD dari 2667,4 mg/l menjadi 941,2 mg/l (64,71%). Untuk TSS tingkat penurunan tertinggi adalah air limbah bihun penuruan TSS sebesar 83,23%.

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