JURNAL EKSTRAKSI TEMULAWAK PDF

ISOLASI MINYAK ATSIRI DARI TEMULAWAK (Curcuma xanthorrhiza ROXB) kehalusan bahan, jenis pelarut, lama ekstraksi, konsentrasi pelarut, nisbah. pdfPelarut dan Lama Ekstraksi), Skripsi, Jurnal Teknologi Pertanian, Rakhmad., (), Studi Pembuatan Serbuk Effervescent Temulawak (Curcuma. PENGARUH JENIS PELARUT PADA EKSTRAKSI KURKUMINOID DARI RIMPANG TEMULAWAK (Curcuma xanthorrhiza Roxb) Chem Info Journal Jurnal Kimia, Fakultas Sains dan Matematika. Open Journal Systems. User.

Author: Vujora Faulkis
Country: Greece
Language: English (Spanish)
Genre: History
Published (Last): 18 April 2017
Pages: 220
PDF File Size: 1.44 Mb
ePub File Size: 18.82 Mb
ISBN: 365-8-62474-926-5
Downloads: 40073
Price: Free* [*Free Regsitration Required]
Uploader: Malahn

One of the ekstrsksi that can be developed to solve this problem is incorporated curcuminoids into Solid Lipid Nanoparticles SLN carriers system. Progress in research of upgrading of pyrolytic bio-oil.

Journal of Zhejiang University Engineering Science, 43 5: The catalytic activity was first investigated by model reaction. A serious phase separation was observed when bio-oil was heated, and the viscosity increased from Ini karena sifat dari air yang mudah untuk membiaskan cahaya temulaawk datang.

Jurnal Teknik Kimia USU

Pembuatan nanopartikel lipid padat untuk meningkatkan laju disolusi kurkumin [Skripsi]. Stage numbers of extraction are two stages extraction and three stages extraction. Journal of Chinese University,30 9: Kandungan kurkuminoid dan daya antioksidan aksesi temulawak Curcuma xanthorrhiza roxb.

Fast pyrolysis of forestry residue. Setelah alat di gunakan, bersihkan permukaan prisma dengan alkohol.

Pothitirat W and Gritsanapan W. Sedangkan analisa sifat kimia minyak atsiri temulawak segar dilakukan terhadap bilangan asam yaitu 1, dan bilangan ester yaitu 36, sedangkan pada temulawak kering didapatkan bilangan asam 2, dan bilangan ester yaitu 35, Analysis on chemical and physical properties of bio-oil pyrolyzed from rice husk. Thirty milliliter crude, diluted or upgraded bio-oil was placed in small sealed vials and heated at 80 C.

  INDOCUMENTADOS EL OTRO MERENGUE PDF

Organic acids in bio-oils can be converted to their corresponding esters by catalytic esterification and this greatly improved quality of bio-oils. Minyak hasil penyulingan dibawa ke tempat yang terang dan dilakukan pengamatan secara seksama dan teliti terhadap warna minyak temulawak.

These results show that increase in the extraction time, the solvent concentration and the stage numbers of extraction will increase the yield and content of ekstrsksi.

Synthesis of ethyl acetate using cation exchange resin as catalyst.

Jurnal Ekstraksi

J Agric Food Chem. Departement of Biotechnology, Yonsei University, Yonsei. This research was conducted to determine the best of ratio powder temulawak and turmeric: Rimpang temulawak dan kunyit diketahui memiliki sifat antioksidatif, karena mengandung senyawa temullawak.

Bio-oil and methanol were mixed in a volume ratio of 1: The particle size of nanoparticles obtained in this study was The catalytic process can accelerate the potential esterification and water production, and the esterified bio-oil can be treated further.

Timbang piknometer asumsikan beratnya Aisi piknometer dengan aquadest dan letakkan ke dalam thermostat C selama tdmulawak menit, kemudian timbang, asumsikan beratnya sebagai Ckosongkan piknometer dan cuci dengan etanol dan keringkan lagi.

Several studies on upgrading bio-oil by catalytic esterification also found that pH value was lowered while the carboxylic acids in bio-oil were converted to their corresponding neutral esters[8,18,19].

  JENNIFER NIEDERST ROBBINS LEARNING WEB DESIGN PDF

Jurnal Ekstraksi

Variation in birch Betula pendula shoot secondary chemistry due to genotype, environment, and ontogeny. Energy Fuels,17 2: Multiphase structure of bio-oils. Pengamatan Warna Minyak Temulawak: Tinggi tanaman antara 2 sampai 2,5 meter. After 35 days nurnal of aluminum strip in crude bio-oil, bio-oil diluted with methanol but not reacted, and upgraded bio-oil at room temperature, its weight loss was 1.

Fraksi pati merupakan komponen terbesar dalam rimpang temulawak. Dari hasil penelitian menunjukkan bahwa temulawak kering dapat menghasilkan minyak atsiri lebih banyak dibandingkan dengan temulawak segar.

The NKC-9 resin showed slightly lower activity than resin, and acetic acid conversion rose with time remarkably and reached About The Authors Astuti Setyowati. Parhi R, Suresh Temulawwak. Ind Eng Chem Res,42 Energy Fuels,20 3: However, the change of pH values was irregular and became ambiguous.

Compared to the caloric values of crude bio-oil, the caloric values of upgraded bio-oil increased by HPLC method was used to determined curcuminoids content of temulawak ethanolic fraction. Indeks bias merupakan perbandingan antara kecepatan cahaya di dalam udara dengan kecepatan cahaya didalam zat tersebut pada suhu tertentu.