Effect of catalyst concentration and reaction time on the extraction of glucomannan from porang (Amorphophallus oncophyllus) flour via acid hydrolysis

SECOND INTERNATIONAL CONFERENCE ON CHEMICAL ENGINEERING (ICCE) UNPAR

Authors: Kumoro, AC; Yuganta, THA; Ratnawati, R; Retnowati, DS;

H2O2/Uv Photo-oxidation of Gadung (Dioscorea Hispida Dennst.) Starch and Its Product Physicochemical Characterization

ORIENTAL JOURNAL OF CHEMISTRY

Authors: Kumoro, AC; Retnowati, DS; Ratnawati, R; Budiyati, CS;

Implementation of Steady State Approximation for Modelling of Reaction Kinetic of UV Catalysed Hydrogen Peroxide Oxidation of Starch

INTERNATIONAL CONFERENCE OF CHEMICAL AND MATERIAL ENGINEERING (ICCME) 2015: GREEN TECHNOLOGY FOR SUSTAINABLE CHEMICAL PRODUCTS AND PROCESSES

Authors: Kumoro, AC; Retnowati, DS; Ratnawati; Budiyati, CS;

A simplified kinetics model of natural and iron complex catalysed hydrogen peroxide oxidation of starch

ASIA-PACIFIC JOURNAL OF CHEMICAL ENGINEERING

Authors: Kumoro, AC; Ratnawati, R; Retnowati, DS;

Preparation and characterization of physicochemical properties of glacial acetic acid modified Gadung (Diocorea hispida Dennst) flours

JOURNAL OF FOOD SCIENCE AND TECHNOLOGY-MYSORE

Authors: Kumoro, AC; Amalia, R; Budiyati, CS; Retnowati, DS; Ratnawati, R;

Effect of Pulsed Corona Discharge Voltage and Feed Gas Flow Rate on Dissolved Ozone Concentration

INTERNATIONAL CONFERENCE OF CHEMICAL AND MATERIAL ENGINEERING (ICCME) 2015: GREEN TECHNOLOGY FOR SUSTAINABLE CHEMICAL PRODUCTS AND PROCESSES

Authors: Prasetyaningrum, A; Ratnawati; Jos, B;

A BIODEGRADABLE FILM FROM JACKFRUIT (ARTOCARPUS HETEROPHYLLUS) AND DURIAN (DURIO ZIBETHINUS) SEED FLOURS

SCIENTIFIC STUDY AND RESEARCH-CHEMISTRY AND CHEMICAL ENGINEERING BIOTECHNOLOGY FOOD INDUSTRY

Authors: Retnowati, DS; Ratnawati, R; Purbasari, A;