Lipase Mediated Hydrolysis Of Crude Palm Oil In Enzymatic Membrane Reactor And Recovery Of Carotenes And Tocopherol

Production of fatty acid and glycerol from oils are important especially in oleochemical industries. Nowadays, researchers prefer to use enzyme to conduct hydrolysis in order to reduce energy consumption and minimize thermal degradation of the products. The advantages of the enzyme hydrolysis techni...

Full description

Saved in:
Bibliographic Details
Main Author: Serri, Noor Aziah
Format: Thesis
Language:English
Published: 2012
Subjects:
Online Access:http://eprints.usm.my/49044/1/NOOR%20AZIAH%20SERRI_hj.pdf
Tags: Add Tag
No Tags, Be the first to tag this record!
id my-usm-ep.49044
record_format uketd_dc
spelling my-usm-ep.490442021-04-28T02:59:25Z Lipase Mediated Hydrolysis Of Crude Palm Oil In Enzymatic Membrane Reactor And Recovery Of Carotenes And Tocopherol 2012-07 Serri, Noor Aziah TP1-1185 Chemical technology Production of fatty acid and glycerol from oils are important especially in oleochemical industries. Nowadays, researchers prefer to use enzyme to conduct hydrolysis in order to reduce energy consumption and minimize thermal degradation of the products. The advantages of the enzyme hydrolysis technique include; the use of bio-route technology that only requires a mild temperature, simple operational procedure and low cost as well as energy consumption. The present investigation focuses on hydrolysis of triglyceride to produce free fatty acids and glycerol from crude palm oil (CPO) using Candida rugosa lipase in batch and enzymatic membrane reactor (EMR). At the same time, the recovery of carotenes and tocopherol was also studied. The optimization in hydrolysis of CPO for batch process was carried out using Design of Experiment that focuses on response surface methodology (RSM) to optimize the hydrolysis reaction. The process variables which were taken into account include; enzyme loading, A (0.30 – 0.80 g), oil loading, B (0.15 – 0.35 g/ml), reaction temperature, C (40oC - 50oC) and pH of buffer solution D, (6.5-7.5). The optimum conditions found for the enzymatic hydrolysis of CPO under investigation are: 0.43 grams of enzyme, 0.15 g/ml of oil with temperature of 45oC and buffer solutions at pH 7.0. The yield predicted for fatty acids produced can reach up to 90.95% and the actual value was found to be 90.67% (5.59 x 10-5 mol hr-1 g-1 enzyme). 2012-07 Thesis http://eprints.usm.my/49044/ http://eprints.usm.my/49044/1/NOOR%20AZIAH%20SERRI_hj.pdf application/pdf en public phd doctoral Universiti Sains Malaysia Pusat Pengajian Kejuruteraan Kimia
institution Universiti Sains Malaysia
collection USM Institutional Repository
language English
topic TP1-1185 Chemical technology
spellingShingle TP1-1185 Chemical technology
Serri, Noor Aziah
Lipase Mediated Hydrolysis Of Crude Palm Oil In Enzymatic Membrane Reactor And Recovery Of Carotenes And Tocopherol
description Production of fatty acid and glycerol from oils are important especially in oleochemical industries. Nowadays, researchers prefer to use enzyme to conduct hydrolysis in order to reduce energy consumption and minimize thermal degradation of the products. The advantages of the enzyme hydrolysis technique include; the use of bio-route technology that only requires a mild temperature, simple operational procedure and low cost as well as energy consumption. The present investigation focuses on hydrolysis of triglyceride to produce free fatty acids and glycerol from crude palm oil (CPO) using Candida rugosa lipase in batch and enzymatic membrane reactor (EMR). At the same time, the recovery of carotenes and tocopherol was also studied. The optimization in hydrolysis of CPO for batch process was carried out using Design of Experiment that focuses on response surface methodology (RSM) to optimize the hydrolysis reaction. The process variables which were taken into account include; enzyme loading, A (0.30 – 0.80 g), oil loading, B (0.15 – 0.35 g/ml), reaction temperature, C (40oC - 50oC) and pH of buffer solution D, (6.5-7.5). The optimum conditions found for the enzymatic hydrolysis of CPO under investigation are: 0.43 grams of enzyme, 0.15 g/ml of oil with temperature of 45oC and buffer solutions at pH 7.0. The yield predicted for fatty acids produced can reach up to 90.95% and the actual value was found to be 90.67% (5.59 x 10-5 mol hr-1 g-1 enzyme).
format Thesis
qualification_name Doctor of Philosophy (PhD.)
qualification_level Doctorate
author Serri, Noor Aziah
author_facet Serri, Noor Aziah
author_sort Serri, Noor Aziah
title Lipase Mediated Hydrolysis Of Crude Palm Oil In Enzymatic Membrane Reactor And Recovery Of Carotenes And Tocopherol
title_short Lipase Mediated Hydrolysis Of Crude Palm Oil In Enzymatic Membrane Reactor And Recovery Of Carotenes And Tocopherol
title_full Lipase Mediated Hydrolysis Of Crude Palm Oil In Enzymatic Membrane Reactor And Recovery Of Carotenes And Tocopherol
title_fullStr Lipase Mediated Hydrolysis Of Crude Palm Oil In Enzymatic Membrane Reactor And Recovery Of Carotenes And Tocopherol
title_full_unstemmed Lipase Mediated Hydrolysis Of Crude Palm Oil In Enzymatic Membrane Reactor And Recovery Of Carotenes And Tocopherol
title_sort lipase mediated hydrolysis of crude palm oil in enzymatic membrane reactor and recovery of carotenes and tocopherol
granting_institution Universiti Sains Malaysia
granting_department Pusat Pengajian Kejuruteraan Kimia
publishDate 2012
url http://eprints.usm.my/49044/1/NOOR%20AZIAH%20SERRI_hj.pdf
_version_ 1747821978529562624