Separation of lactose from raw goat's milk by cross-flow hollow fiber ultrafiltration membrane

An extensive amount of research has reported on the use of ultrafiltration (UF) membrane, particularly in the improvement of membrane performance efficiency on cow’s milk. However, a very limited number of researches reported on using UF for producing low-lactose goat’s milk due to inherently low la...

Full description

Saved in:
Bibliographic Details
Main Authors: Zainul Abidin, Nur Sofuwani, Hussain, Siti Aslina, Mustapa Kamal, Siti Mazlina
Format: Article
Language:English
Published: Faculty of Food Science and Technology, Universiti Putra Malaysia 2016
Online Access:http://psasir.upm.edu.my/id/eprint/50540/1/%2830%29%20IFRJ-16563%20Siti%20Aslina.pdf
http://psasir.upm.edu.my/id/eprint/50540/
http://www.ifrj.upm.edu.my/23%20(06)%202016%20supplementary/(30)%20IFRJ-16563%20Siti%20Aslina.pdf
Tags: Add Tag
No Tags, Be the first to tag this record!
Institution: Universiti Putra Malaysia
Language: English
id my.upm.eprints.50540
record_format eprints
spelling my.upm.eprints.505402020-04-15T16:54:55Z http://psasir.upm.edu.my/id/eprint/50540/ Separation of lactose from raw goat's milk by cross-flow hollow fiber ultrafiltration membrane Zainul Abidin, Nur Sofuwani Hussain, Siti Aslina Mustapa Kamal, Siti Mazlina An extensive amount of research has reported on the use of ultrafiltration (UF) membrane, particularly in the improvement of membrane performance efficiency on cow’s milk. However, a very limited number of researches reported on using UF for producing low-lactose goat’s milk due to inherently low lactose. Nonetheless, goat’s milk is still not suitable to be consumed in a large amount by people who are lactose intolerant, especially among Asians, where over 90% of the populations are suffering from lactose intolerance. Until today, fouling and concentration polarization (CP) on membrane surface in cross-flow hollow fiber UF unit are the major problems in the dairy industry. Discovery on how to overcome the problem is still in a hot debate due to the nature’s complex composition in milk. One way to overcome this problem is by evaluating the effects of processing parameters such as trans-membrane pressure (TMP) and feed-flow rate on flux (J), lactose rejection (Ri), concentration factor (CF), and accumulation rate (AR) during the fractionation of lactose. In terms of lactose fractionation for 5 KDa and 10 KDa UF membranes, the TMPs examined were 0.41, 0.55, and 0.69 bars, while feed flow-rates examined were 0.18, 0.34, 0.54, and 0.74 L/min. 5 KDa membrane shows that feed flow-rate and flux behave in a direct relationship, while an inverse relationship in 10 KDa membrane. Both membranes showed that TMP 0.55 bar exhibit the best flux value without reaching the limiting flux region, but with feed flow rate of 0.74 L/min in 5 KDa, while 0.18 L/min in 10 KDa membrane. Lactose rejection percentage (%Ri) is the lowest with 77.71% in 5 KDa membrane while 66.28% in 10 KDa membrane. This can be summarized that the best parameters for 5 KDa membrane is at TMP 0.55 bar with feed flow-rate of 0.74 L/min, while for 10 KDa membrane is at TMP 0.55 bar with feed flow-rate of 0.18 L/min. Due to higher flux value and lowest lactose rejection obtained from low feed flow-rate, 10 KDa UF membrane size was chosen over 5 KDa. As a conclusion, a high degree of lactose removal from goat’s milk could be achieved by 10 KDa UF membrane in a cross-flow hollow fiber system, which proved that different outcomes between 5 KDa and 10 KDa membranes and feed flow-rate required is closely associated to UF pore size and molecular weight of feed solute particles. Faculty of Food Science and Technology, Universiti Putra Malaysia 2016 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/50540/1/%2830%29%20IFRJ-16563%20Siti%20Aslina.pdf Zainul Abidin, Nur Sofuwani and Hussain, Siti Aslina and Mustapa Kamal, Siti Mazlina (2016) Separation of lactose from raw goat's milk by cross-flow hollow fiber ultrafiltration membrane. International Food Research Journal, 23 (suppl.). S209-S219. ISSN 1985-4668; ESSN: 2231-7546 http://www.ifrj.upm.edu.my/23%20(06)%202016%20supplementary/(30)%20IFRJ-16563%20Siti%20Aslina.pdf
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description An extensive amount of research has reported on the use of ultrafiltration (UF) membrane, particularly in the improvement of membrane performance efficiency on cow’s milk. However, a very limited number of researches reported on using UF for producing low-lactose goat’s milk due to inherently low lactose. Nonetheless, goat’s milk is still not suitable to be consumed in a large amount by people who are lactose intolerant, especially among Asians, where over 90% of the populations are suffering from lactose intolerance. Until today, fouling and concentration polarization (CP) on membrane surface in cross-flow hollow fiber UF unit are the major problems in the dairy industry. Discovery on how to overcome the problem is still in a hot debate due to the nature’s complex composition in milk. One way to overcome this problem is by evaluating the effects of processing parameters such as trans-membrane pressure (TMP) and feed-flow rate on flux (J), lactose rejection (Ri), concentration factor (CF), and accumulation rate (AR) during the fractionation of lactose. In terms of lactose fractionation for 5 KDa and 10 KDa UF membranes, the TMPs examined were 0.41, 0.55, and 0.69 bars, while feed flow-rates examined were 0.18, 0.34, 0.54, and 0.74 L/min. 5 KDa membrane shows that feed flow-rate and flux behave in a direct relationship, while an inverse relationship in 10 KDa membrane. Both membranes showed that TMP 0.55 bar exhibit the best flux value without reaching the limiting flux region, but with feed flow rate of 0.74 L/min in 5 KDa, while 0.18 L/min in 10 KDa membrane. Lactose rejection percentage (%Ri) is the lowest with 77.71% in 5 KDa membrane while 66.28% in 10 KDa membrane. This can be summarized that the best parameters for 5 KDa membrane is at TMP 0.55 bar with feed flow-rate of 0.74 L/min, while for 10 KDa membrane is at TMP 0.55 bar with feed flow-rate of 0.18 L/min. Due to higher flux value and lowest lactose rejection obtained from low feed flow-rate, 10 KDa UF membrane size was chosen over 5 KDa. As a conclusion, a high degree of lactose removal from goat’s milk could be achieved by 10 KDa UF membrane in a cross-flow hollow fiber system, which proved that different outcomes between 5 KDa and 10 KDa membranes and feed flow-rate required is closely associated to UF pore size and molecular weight of feed solute particles.
format Article
author Zainul Abidin, Nur Sofuwani
Hussain, Siti Aslina
Mustapa Kamal, Siti Mazlina
spellingShingle Zainul Abidin, Nur Sofuwani
Hussain, Siti Aslina
Mustapa Kamal, Siti Mazlina
Separation of lactose from raw goat's milk by cross-flow hollow fiber ultrafiltration membrane
author_facet Zainul Abidin, Nur Sofuwani
Hussain, Siti Aslina
Mustapa Kamal, Siti Mazlina
author_sort Zainul Abidin, Nur Sofuwani
title Separation of lactose from raw goat's milk by cross-flow hollow fiber ultrafiltration membrane
title_short Separation of lactose from raw goat's milk by cross-flow hollow fiber ultrafiltration membrane
title_full Separation of lactose from raw goat's milk by cross-flow hollow fiber ultrafiltration membrane
title_fullStr Separation of lactose from raw goat's milk by cross-flow hollow fiber ultrafiltration membrane
title_full_unstemmed Separation of lactose from raw goat's milk by cross-flow hollow fiber ultrafiltration membrane
title_sort separation of lactose from raw goat's milk by cross-flow hollow fiber ultrafiltration membrane
publisher Faculty of Food Science and Technology, Universiti Putra Malaysia
publishDate 2016
url http://psasir.upm.edu.my/id/eprint/50540/1/%2830%29%20IFRJ-16563%20Siti%20Aslina.pdf
http://psasir.upm.edu.my/id/eprint/50540/
http://www.ifrj.upm.edu.my/23%20(06)%202016%20supplementary/(30)%20IFRJ-16563%20Siti%20Aslina.pdf
_version_ 1665895986339250176