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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 16 Documents
 1   2 
Search results for , issue "Vol 6, No 02 (1989)" : 16 Documents clear
The Preparation of An Oleoresin from A Black Pepper Steam Distillation Residue) Moestafa, Achmad
Warta Industri Hasil Pertanian Vol 6, No 02 (1989)
Publisher : Balai Besar Industri Agro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2870.049 KB)

Abstract

The single stage solvent extraction of pepper oleoresin did not always give satisfactory results. It might be below or over the standard. To solve the problem the pepper was processed using two stages extraction. First the volatile oil was isolated by means of steam distillation and then the solvent extraction was conducted. To meet the standard qualification the volatile oil and resin were blended. It was found that the best solvent for oleoresin extraction was ethanol. It produced 15% oleoresin and 49% pipperine. The resin and pipperine produced from the distillation residue was more than those from ethylene dichloride extraction.
(Mempelajari Proses Degradasi dam Ekstraksi Chitin dan Chitosab dari Kulit Udang (Nephrops norvegicus) Bastaman, Syarif
Warta Industri Hasil Pertanian Vol 6, No 02 (1989)
Publisher : Balai Besar Industri Agro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2870.049 KB)

Abstract

Chitin dan chitosan dihasilkan dari kulit udang jenis Nephrops noregicus yang diperoleh dari industri makanan lau di Irlandia Utara. Proses degradasi dari bahan yang mengandung chitin telah dipelajari dengan perlakuan suhu, waktu dan ukuran partikel. Paremeter mutu berupa kasar abu, rendemen, kadar air, derajat deasetilasi, berat molekul, viskositas, daya rentang , dan shu transisi gelas telah dianalisis dan hasilnya dibandingkan dengan produk chitin dan chitosan standar. Faktor penting yang mempengaruhi mutu chitin dan chitosan adalah metode ekstraksi, suhu, dan waktu deasetilasi. Suhu 120 derajat Celsius dan waktu selama 60 menit menghasilkan chitosan yang cukup baik. Diketahui bahwa ekstraksi chitin yang dilakukan 2 kali menghasilkan rendemen chitin 8,5% dan rendemen chitosan 73,19% dari chitin yang dihasilkan.
(The Effect of Plant-Age on the Oil Composition of Curcuma mangga Val.) Sait, Salya; Lubis, Enny Hawani
Warta Industri Hasil Pertanian Vol 6, No 02 (1989)
Publisher : Balai Besar Industri Agro

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Abstract

The essential oil obtained from Curcuma mangga rhyzomes, which were collected throughout the harvesting season, in the plant age of 9,10 and 11 months, were studied using gas chromatography and chemical as well as physico-chemical methods. During the period of the highest essential oil yield (the age of 11), the higher the percentages of ocimine the lower the percentages of myrcene and lower ester number, meanwhile the lowest essential oil yield (the age of 10), the higher ester number were found.
(The Effect of Ascorbic Acid and Sodium Erythorbate on Processing of Kolang-Kaling (Arenga pinnata Merr) in Syrup Sutrsiniati, Dwi; Wiriano, Harry
Warta Industri Hasil Pertanian Vol 6, No 02 (1989)
Publisher : Balai Besar Industri Agro

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Abstract

Antioxidant were added to the processing of "kolang-kaling" (Arenga pinnata Merr) in syrup processing as ascorbic acid, sodium erythorbate, a mixture of ascorbic acid and sodium erythorbate. The products were stored at room temperature of three months. Total soluble solid, pH, vitamin c, total bacterial count and organoleptic test were observed during storage. The addition of ascorbic acid or ascorbic acid and sodium erythorbate resulted in decreasing of pH and increasing of vitamin C, while the total soluble solid was stable. Total soluble solid increased but vitamin C decreased during storage. Organoleptic test showed that the addition of these antioxidants was basically acceptable.
The Withering Effect of Raw Material on Essential Oils and its Free Menthol Content of Mentha (Mentha arvensis Linn). Simanjuntak, Helmud P.; Soelistyo, Edy
Warta Industri Hasil Pertanian Vol 6, No 02 (1989)
Publisher : Balai Besar Industri Agro

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Abstract

The result showed that one day storage (with wring) gave the yield of 2,28%, and free menthol content of 51.59%. It was obvious that both the yield and free menthol content obtained from one day storage are higher than those obtained from two, three and four days storage.
(A Study on Preservation of Pineapple Slices in Sugar Solution) Djubaedah Jusuf, Endah; Sugandar, Toni; Basrah Enie, A.
Warta Industri Hasil Pertanian Vol 6, No 02 (1989)
Publisher : Balai Besar Industri Agro

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Abstract

Preservation of pineapple slices in sugar solution has been conducted. Chemical preservative used was sodium benzoic. The concentration of sugar (=Sucrose) used were 0% and 65%, while those of sodium benzoic were 0 and 0.15%. Plastic bags were used as packaging material using vacuum and non-vacuum sealing in plastic bag. The shelf life of this product was five days at room temperature.
(Essential Oil from the Leaves and Steams of The red Ginger Plant A Rich Source Of Linally Acetate) Sait, Salya; Loebis, Enny Hawani
Warta Industri Hasil Pertanian Vol 6, No 02 (1989)
Publisher : Balai Besar Industri Agro

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Abstract

The chemical constituents of an essential oil obtained from the leaves and stems of the plant Zingiber officinale Roscoe of a red type, have been studied using gas -liquid chromatography. The oil contains linalyl acetate (37.9%) as the major component. Some other abundant constituents were also identified which are geranial (9.35%), neryl acetate (6.23%), terpenyl acetate (5.66%), and one which is still unidentified (6.78%). The high content of linalyl acetate showed that the oil, which is comparable to that of bergamot oil, be a valuable commodity and affirms that another type of essential oil has been recognized.
(A Study on The Effect of Temperature, pH and Hidrolizing Time in The Extraction of Pectin from Passion Fruit Pericarp (Passiflora edulis sims). SK, Subardj; Sofiah, Siti; Tarmidji, Entjep; Astuti, Juli
Warta Industri Hasil Pertanian Vol 6, No 02 (1989)
Publisher : Balai Besar Industri Agro

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Abstract

A study on the effect of temperature, pH and time in hydrolizing passion fruit pericarp to produce pectin has been conducted. The result showed that the application of variable temperature altered the amount of pectin obtained significantly. However there was no significant effect of using variable pH and time of hidrolization as well as their interactions  on it. As much as 11,89% (d.b) of pectin was obtained at the hidrolization temperature of 100 C , which higher compared to that of the temperature of 60 C (9,85%) and of 80 C (10, 54%). Pectin obtained from the passion fruit pericarp extraction was categorized as a High Methoxyl Pectin which has the methoxyl content of more than 7%, with a jelly grade of 100 and a slow set characteristic that is setting time of about 3 minutes.
The Preparation of An Oleoresin from A Black Pepper Steam Distillation Residue) Achmad Moestafa
Warta Industri Hasil Pertanian Vol 6, No 02 (1989)
Publisher : Balai Besar Industri Agro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2870.049 KB) | DOI: 10.32765/warta ihp.v6i02.2305

Abstract

The single stage solvent extraction of pepper oleoresin did not always give satisfactory results. It might be below or over the standard. To solve the problem the pepper was processed using two stages extraction. First the volatile oil was isolated by means of steam distillation and then the solvent extraction was conducted. To meet the standard qualification the volatile oil and resin were blended. It was found that the best solvent for oleoresin extraction was ethanol. It produced 15% oleoresin and 49% pipperine. The resin and pipperine produced from the distillation residue was more than those from ethylene dichloride extraction.
(Mempelajari Proses Degradasi dam Ekstraksi Chitin dan Chitosab dari Kulit Udang (Nephrops norvegicus) Bastaman, Syarif
Warta Industri Hasil Pertanian Vol 6, No 02 (1989)
Publisher : Balai Besar Industri Agro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2870.049 KB) | DOI: 10.32765/warta ihp.v6i02.2296

Abstract

Chitin dan chitosan dihasilkan dari kulit udang jenis Nephrops noregicus yang diperoleh dari industri makanan lau di Irlandia Utara. Proses degradasi dari bahan yang mengandung chitin telah dipelajari dengan perlakuan suhu, waktu dan ukuran partikel. Paremeter mutu berupa kasar abu, rendemen, kadar air, derajat deasetilasi, berat molekul, viskositas, daya rentang , dan shu transisi gelas telah dianalisis dan hasilnya dibandingkan dengan produk chitin dan chitosan standar. Faktor penting yang mempengaruhi mutu chitin dan chitosan adalah metode ekstraksi, suhu, dan waktu deasetilasi. Suhu 120 derajat Celsius dan waktu selama 60 menit menghasilkan chitosan yang cukup baik. Diketahui bahwa ekstraksi chitin yang dilakukan 2 kali menghasilkan rendemen chitin 8,5% dan rendemen chitosan 73,19% dari chitin yang dihasilkan.

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