PENGARUH PENAMBAHAN RAGI TAPAI DAN BROMELIN NANAS KASAR PADA FERMENTASI BUBUR…

Penelitian ini bertujuan untuk mengetahui pengaruh penambahan ragi tapai pada fermentasi bubur tapioka dan bromelin nanas pada bakal tahu terhadap karakteristik vegetarian nugget. Penelitian dilakukan di LaDoratorium Kimia Hasil Pertanian Jurusan Teknologi Pertanian UNSRI pada bulan November 2004 sampai Desember 2005. Penelitian ini menggunakan Rancangan Acak Lengkap Faktorial (RALF), yang terd…

UJI AKTIVITAS ANTIOKSIDAN TERHADAP EKSTRAK BUNGA BOUGENVILLE ORANGE (Bougainv…

The bougenville orange (Bougainvillea x buttiana) has been reported to have antioxidant activity using the DPPH method. Testing antioxidant activity can be carried out using various methods. In this study, the antioxidant activity of orange bougenlille (Bougainvillea x buttiana) flower was tested using three methods, namely the DPPH (2,2-diphenyl-1-picrylhydrazyl), FRAP (Ferric Reducing Antioxi…

UJI AKTIVITAS ANTIOKSIDAN FRAKSI DAUN PACAR KUKU (Lawsonia inermis L) MENGGUN…

Pacar kuku (Lawsonia inermis) is a traditional medicinal plant that is rich in phenolic compounds which are generally active as antioxidants. Measuring antioxidant activity can be done using various methods. In this study, the antioxidant activity of L. inermis leaves were determined using the DPPH (2,2-diphenyl-1-picrylhydrazyl), FRAP (Ferric Reducing Antioxidant Power) and FTC (Ferric Thiocya…

ORBITAL FRONTIER DAN REAKSI KIMIA ORGANIK

Edition

-

ISBN/ISSN

979-420-417-x

Collation

v, 327 hlm.; 21 cm.

Series Title

-

Call Number

547.2 Fle o

PENGARUH TEMPERATUR KALSINASI KATALIS SILIKA CERIUM (IV) SULFAT (Ce(SO4)2-SiO…

ABSTRACT : Ether compounds such as diisopropyl ether can be used as fuel additives. Diisopropyl ether obtained through the dehydration process of isopropyl alcohol over metal impregnated catalyst. This study aims to synthesized silica Cerium (IV) Sulfate catalyst using Phthalate as template. The catalysts prepared by calcination temperature variations at 400oC, 500oC, 600oC, 700oC, and 800oC fo…

PENGARUH VARIASI KUAT ARUS PADA PEMBUATAN VIRGIN COCONUT OIL (VCO) MENGGUNAKA…

Salah satu olahan buah kelapa yang sangat menjanjikan dan mempunyai peluang besar untuk dikembangkan adalah minyak kelapa murni atau Virgin Coconut Oi (VCO). Teknologi pembuatan VCO ada bermacam-macam, yaitu sentrifugasi, fermentasi, enzimatis dan pemompaan. Metode tersebut masih terdapat kelemahan yaitu rendemen yang dihasilkan masih rendah dan kualitas VCO kurang baik karena adanya kontaminan…

PENENTUAN KADAR FENOLIK DAN FLAVONOID TOTAL, UJI ANTIOKSIDAN, DAN ANALISIS SE…

Fagraea fragrans is a plant commonly found in Sumatera island. Several studies reported that F. fragrans has various pharmacological activities indicating the presence of active compounds in this plant, such as phenolics dan flavonoids. Hence, This study aims to estimate the total phenolic and flavonoid content, determine the antioxidant activity, and identify the compounds with LC-MS. The rese…

SKIRINING SENYAWA ANTIOKSIDAN DARI FRAKSI ETIL ASETAT DAUN TUMBUHAN SUNGKAI (…

Sungkai belongs to the Lamiaceae famili with the latin name Peronema canescens Jack. Sungkai leaves have traditionally been used as a medicine to increase the body’s immune system. Its efficacy as an immune system drug is related to the presence of antioxidant. The aims of this research to determine the antioxidant activity of the ethyl acetate fraction of sungkai leaves (P. canescens Jack.) …

PENGARUH VARIASI JUMLAH PLAT ELEKTRODA TERHADAP PEMECAHAN EMULSI SANTAN PADA …

VCO is an oil obtained from fresh old coconut flesh squeezed with or without the addition of water, without heating, or by heating less than 60°C. The main component of VCO is medium-chain fatty acids, especially lauric acid. Over time, there have been various technologies for making VCO, but pre-existing methods still have weaknesses, namely that the yield produced is still low and the qualit…

PENGARUH WAKTU ELEKTROLISIS PADA PEMBUATAN VIRGIN COCONUT OIL (VCO) DAN ANALI…

Virgin coconut oil adalah minyak yang dihasilkan dari pati kelapa yang telah diproses secara higienis dan tanpa pemurnian kimia, sehingga kandungan yang penting dalam minyak tetap dipertahankan. VCO umumnya dibuat dengan menggunakan dua metode diantaranya metode kering dan metode basah. Salah satu pembuatan VCO dengan metode basah adalah elektrolisis. Metode elektrolisis dilakukan dengan mengal…

UJI AKTIVITAS ANTIOKSIDAN DAN ANTIKOLESTEROL EKSTRAK KULIT BATANG SEMPRAWANG …

Semprawang (Dillenia ochreata) is a plant that belongs to the Dilleniaceae family. D. ochreata is empirically used by the Musi as a cure for scabies. Information about the activity of D.ochreata is still very limited. The purpose of this study was to determine the antioxidant and anticholesterol activity of the stem bark of Semprawang (Dillenia ochreata). The extraction method used is the maser…

ISOLASI SENYAWA METABOLIT SEKUNDER DARI EKSTRAK N-HEKSANA BATANG TUMBUHAN BRO…

Isolation of secondary metabolite from n-hexane extract of the stem of Tinospora crispa had been done. The extraction was done by maceration. The extract of n-hexane was separated and purified by chromatography column techniques. Antioxidant activity of the isolated compound was conducted by DPPH (1.1-diphenylpycryl hidrazyl) method with concentration variation of 1000, 500, 250, 125, 62.5, 31.…

KINETIKA REAKSI OKSIDASI MINYAK BIJI KETAPANG (Termanila catappa Linn) DAN PE…

It has been done the research kinetics of oxidation reactions ketapang seed oil (Terminal ia catappa Linn) and antioxidant effects of the addition BHT to the peroxide number. The purposes of the research were to define the influence of the addition of antioxidants BHT to long the storage, the kinetics of oxidation reactions ketapang seed oil, and determine the content of seed oil fatty acids ke…

ISOLASI SENYAWA FENOLAT DARI KULIT BATANG TUMBUHAN Garcinia sizygiifolia DAN …

The phenolic compound have been isolated and characterizated from ethyl acetate extract of stem bark of Garcinia sizygiifolia. The extraction was done by maseration. Separation and purification were done by column chromatography. The isolated compound was a yellow solids with melting point 243°C-245°C. The structure of this compound was determined based on spectral data including IR, UV, NMR …

PENGARUH KOMPOSISI GLUKOSA DAN MONTMORILONIT TERHADAP SIFAT KATALIS KOMPOSIT …

The Influence Of Glucose Composition And Montmorilonite Toward The Caracteristic Of Composite Catalyst Montmorilonite Carbon Sulfonate Penelitian pengaruh komposisi glukosa dan montmorilonit terhadap sifat katalis komposit montmorilonit karbon sulfonat telah dilakukan. Katalis komposit montmorilonit karbon sulfonat (M-CS) dibuat dengan cara mencampurkan montmorilonit dan glukosa sampai homogen …

STUDI REAKSI OKSIDASI SIKLOHEKSANON DENGAN KATALIS ZEOLIT ALAM DAN BENTONIT A…

Conversion of cyclohexanone to produce adipic acid via oxidation reaction by H2O2 with natural mineral catalysts (zeolite and bentonite) has been carried out. Catalysts zeolite and natural bentonite before and afiter reaction characterized using spectrophotometer FT-IR and difractometer X-ray. Product of conversion was characterized through the determination of melting point, identification usi…

PENGARUH PERBEDAAN METODA EKSTRAKSI HIDROTERMAL DAN KALSINASI TERHADAP KARAKT…

The research by title effect of the differences hydrotermal extraction methods and calcination the characterization of silika from corn cob has been performed. Corncob is extracted by hydrothermal variation NaOH concentration methods 0.5;1.0; 1.5 and 2.0 M and calcination methods with temperature variations 600, 700 and 800oC, to obtain silica powder and on hydrothermal methods with NaOH concen…

AKTIVITAS ANTIOKSIDAN DAUN BENALU JENGKOL [Scurrula ferruginea (Jack) Danser]

Jengkol mistletoe [Scurrula ferruginea (Jack) Danser] is one type of plants from the Loranthaceae group. Mistletoe has secondary metabolites compound in the form of flavonoid, tannin, terpenoid and saponin which has antioxidant activity. This study aims to know fractions that have antioxidant activity, the class of compounds, and IC50 values antioxidant compounds of jengkol mistletoe leaves. Th…

UJI AKTIVITAS ANTIHIPERLIPIDEMIA EKSTRAK ETANOL KULIT BUAH JENGKOL (Archidend…

Archidendron jiringa is one of the plant that has the potential as an antihyperlipidemia. Jengkol fruit peel contains phenolic, flavonoid, tannin and saponin chemical compounds that can act as antihyperlipidemia. The purpose of this research is to look at the antihyperlipidemic effect of ethanol extract of jengkol fruit peel to decrease levels of total cholesterol, LDL (Low density lipoprotein)…

POTENSI EKSTRAK ETANOL BIJI JENGKOL (Archidendron jiringa) SEBAGAI ANTIHIPERL…

Jengkol seed (Archidendron jiringa) contains of secondary metabolite such as flavonoids, alkaloids, tannins, saponins, phenolics and triterpenoids that have the potential as antihyperlipidemia. This study aims to determine the characteristics and effects of ethanol extract of jengkol seeds to decrease total cholesterol, LDL and triglyceride levels. Test animals test are divided into 5 groups wh…

POTENSI EKSTRAK ETANOL BIJI JENGKOL (ARCHIDENDRON JIRINGA) SEBAGAI ANTIINFLAM…

The anti-inflammatory activity of ethanol extract of jengkol seed (Archidendron jiringa) test on carrageenan-induced male white rats has been carried out. The phenolic content in jengkol seed has potential as an inhibiting compound of inflammation. This study aims to determine the total phenolic content of the extract and anti-inflammatory effects based on decreasing the edema volume of carrage…