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All Journal Warta IHP (Warta Industri Hasil Pertanian)

Endah Djubaedah

Balai Besar Industri Agro

Author-ID : 3058784

Agriculture, Biological Sciences & Forestry Industrial & Manufacturing Engineering

Published : 17 Documents Claim Missing Document

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(Study on the Effects of Agitating Duration and the Ration of Sulfuric Acid on the Preparation of Sulphated Shark Liver Oil as Fat Liquor) Endah Djubaedah; Achmad Moestafa; Raoda Hafid; Abdul Aziz Darwis
Warta Industri Hasil Pertanian Vol 20, No 1-2 (2003)
Publisher : Balai Besar Industri Agro

Study on the effects of agitating duration and the ratio of sulphuric acid on the preparation of sulphated shark oil as fat liquor had been carried out .the aimof the experiment was to introduce sulphuric acid that will be absorbed into the molecule chain of fatty acid cpmpletely and produced sulphated oil .the experiment was conducted in there variables of agitating duration (A) i.e:4,5 and 6 hours and the ration of sulphuric acid introduced and the ration of acid/oil was : agitationfor 6 hours and 40% of sulphuric acid ration or A3B3 combination .the sulphated oil has 96.77 lodine number saponification number 209.68 and 1.665 fixed S03 .the lower lodine number showed most double bond chain of the oil had been occupied by sulphate groups ,the higher saponification numbershowed the amout of sulphate group in the fatty oil chain ,the same as showed by the fixed S03 .it is concluded that agitating duration or mixing time and ratio sulphuric acid to the shark liver oil to give significant effect on sulphated shark liver oil formed.

(The Effect of Weathering and Rolling on Drying of Cat's Whiskers (Otrhosiphon stamineus benth) Leaf H Guring Pohan; Endah Djubaedah; Noerdin N.K
Warta Industri Hasil Pertanian Vol 16, No 1-2 (1999)
Publisher : Balai Besar Industri Agro

A study on the drying of cat's whiskers leaf (Orthosiphon staminues benth has been carried out. the treatment of this study were A) fresh leaf weathered, rolled and then dried. the analysis of dried cat's whiskers leaf include: yield, color, moinsture, ash, potassium, extract and sinensetin content. the result of dried leaf analysis showed the yield 18.09%, ash 12.09%, extract content 21.43% and senensetin 1.47% at the treatment of D (fresh leaf weathered, rolled and the dried) compared with another treatment and the color is slightly brown. the lowes the moinsture was 8.66% at the treatment of A (fresh leaf were dried directly).

(The Study of Glucomannan Extraction from Iles-Iles (Amorphophaalus spp) and its Application on Food Product Enny Hawani Lubis; Endah Djubaedah; Rizal Alamsyah; Moch Noerdin NK
Warta Industri Hasil Pertanian Vol 21, No 02 (2004)
Publisher : Balai Besar Industri Agro

The study was aimed at investigating the method of glucomannan extraction from iles-iles and its use application as konyaku. The extraction can be done through mechanical and chemical process. iles-iles were canned and sliced into small chips with mm thickness. natrium sulfite of 1000 ppm was added during 15 minutes and continuted by soaking them with CaCO3 (2,5%, 5%, and 7,5). The chips was then sun dried for 25-30 hours and continued with oven drying on 60 C temperature and 16 hours. the chips were ground to produce iles-iles flour. Glucomannan flour was them separated from iles-iles flour by chemical separation process using sieve where the lighter one will pass through the sieve, while the mannan will remain on the sieve. A blower was also used to separate glucomannan from calcium oxalate and the remaining cll wallof iles-iles. The chemical separation of glucomannan flour from iles-iles was conducted by water extraction at 55 C. The ethanol of 95% was added to the extract to obtain mannan layer which then was oven dried.

(The preparation of monoglyceride from coconut oil as emulsifier) Endah Djubaedah; Achmad Moestafa; Mariana -
Warta Industri Hasil Pertanian Vol 12, No 1-2 (1995)
Publisher : Balai Besar Industri Agro

Food emulsifier is an important addive used in food industries.Emulsifiers are usedto improve the texture of products such as to stabilize margarine,ice cream,etc.Basically emulsifier consist of two functional groups, the first one dissolves in water and the other in oil which enebles them to bridge two unmixed phases.The most widely used emulsifiers are monoglyceride which contain long alkyl chain residue from fatty acid chain and hydroxyl groups from glycerol.Monoglycerida had been prepared in this study through the reaction of coconut oil and glycerol using coustic soda as catalyst.The best treatment was obtained from the reaction of one parts of coconut oil and four parts of glycerol at 250 degree C, stirred for 3 hours using of 0.20% NaOH as catalyst which produced 45% yield containing 77% monoglyceride.

(Technical Testing of Rotary Dryer for Cat's Whiskers Leaf (Orthosiphon stamineus benth)Leaf H Guring Pohan; Endah Djubaedah; Noerdin N.K
Warta Industri Hasil Pertanian Vol 16, No 1-2 (1999)
Publisher : Balai Besar Industri Agro

Technical testing of rotary dryer was conducted to dry Cat's whiskers leaf (Orthorsiphon stamineus benth) the aim of the technical testing is to evaluate of performance the rotary dryer for drying cat's whiskers leaf. the drying temperature suitable for cat's whiskers leaf was 50-60 C. the result showed that the dryer reduce moisture from 72.47 % to 9.95% with drying rate 22.5% per-hours. The capacity of dryer is 2000 grams a batch and the heat efficiency was 14.05%.

(Chemical Handling of Tapioca Waste Water) Endah Djubaedah; Mochamad Noerdin N.k; Sri Harjanto
Warta Industri Hasil Pertanian Vol 11, No 1-2 (1994)
Publisher : Balai Besar Industri Agro

Chemical handling of tapioca waste water using coagulans (Alum and poly ammonium chloride), flocculan (polymer code 161),and areation had been done. The treatment in laboratory scale descreased BOD value from 148.59 mg/1 to 54.315 mg/1;COD value from 251.540 mg/1 to 138.875 mg/1; suspended solid from 31.8 mg/1 to 1.719 mg/1; and soluble solid from 2.87 mg/1 to 0.01 mg/1.these result were in accord with the local standard for waste water.

(Technical Design and Testing of Chitosan Extractor from Shirmps Shells) Rizal Alamsyah; Enny Hawani Lubis; Endah Djubaedah
Warta Industri Hasil Pertanian Vol 19, No 1-2 (2002)
Publisher : Balai Besar Industri Agro

The study was aimed at designing and testing of chitosan (polymer) extractor by demineralization, deproteinization, and deacetylation from shrimps shells. the equipment was generated with induction motor of 0.5hp (horse power) and equipped with liquid heater and thermostat in order to maintain temperature level of the process .the blade or propeller agitator was mounted off center.the demineralization process were conducted at 70-75 0C with choloric acid of 1.25 N and 1.5 hours and 2 hours period of process treatment .meanwhile deproteinization were employed at 80-85 0C using sodium hidroxide 3% w/v in the same hours treatment as the demineralization process. sodium hidroxide of 50% (w/v)was employed in the same hours treatment as the demineralization process .which operated at 100-110 0C in the same hours variation of treatment the result showed that thwe best quality chitosan was obtained with demineralization , and deacetylation process which were conducted for 2 hours and 2 run of each process. these were indicated by viscosity resulted e.g 18000 cps (centipoises

Co-Authors A. Basrah Enie A. Moestofa Abdul Aziz Darwis Achmad Moestafa Agus Sudibyo Eddy Sapto Hartanto Sapto Hartanto Edwin S. Permana Endang Suriadi Enny Hawani Lubis H Guring Pohan M Maman Rohaman Mariana - Mieke Meiyanti Moch Noerdin NK Mochamad Noerdin N.K Nasyirudin - Noerdin N.K Novianis - Paulus Sunarto Pudja Astuti Raoda Hafid Rizal Alamsyah Rosalina Dewi s. Sardjono - Sri Harjanto Suprapto - Tiara - Tuti Puja Astuti

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