Development Of Fermented Water Kefir Amaranth Drink

The aim of this study is to develop fermented water kefir drink from vegetable amaranth juice as an alternative for vegetarians and lactose intolerants to replace dairy beverages. Various analyses were conducted on fermented water kefir red amaranth (Amaranthus tricolor) and green amaranth (Amaranth...

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Main Author: Chin, Wen Yi
Format: Monograph
Language:English
Published: Universiti Sains Malaysia 2020
Subjects:
Online Access:http://eprints.usm.my/47044/
http://eprints.usm.my/47044/1/CHIN%20WEN%20YI.pdf
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author Chin, Wen Yi
author_facet Chin, Wen Yi
author_sort Chin, Wen Yi
building USM Institutional Repository
collection Online Access
description The aim of this study is to develop fermented water kefir drink from vegetable amaranth juice as an alternative for vegetarians and lactose intolerants to replace dairy beverages. Various analyses were conducted on fermented water kefir red amaranth (Amaranthus tricolor) and green amaranth (Amaranthus blitum) drinks fermented with selected sugar levels (5% and 7%). Both fermented red and green amaranth samples with 7% sugar achieved significant (p<0.05) decrement in pH value, total soluble solids, and sucrose concentration which represented efficient water kefir fermentation. Fermented red amaranth sample showed significant (p>0.05) increment in antioxidants activity and total phenolic content after fermentation represented higher nutritional value. Both fermented red and green amaranth samples were able to claim probiotic properties due to the achievement of minimum 106 CFU/mL of lactobacillus after 2 weeks of storage. Results from microbiological analyses showed a significantly (p<0.05) higher lactobacilli count (13.39 x 106 CFU/mL) and yeast and mold count (25.23 x 106 CFU/mL) in fermented red amaranth drink with 7% sugar level compared to green amaranth. Both samples had acceptable range of coliform count and absence of fecal coliforms represented the stable microbial quality. However, red and green amaranth vegetable juice were not fully suitable to use as water kefir substrate due to low titratable acidity and total viable cell count. As an overall, fermented red and green amaranth water kefir drinks were successfully produced.
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institution Universiti Sains Malaysia
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language English
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spelling usm-470442020-09-01T03:09:44Z http://eprints.usm.my/47044/ Development Of Fermented Water Kefir Amaranth Drink Chin, Wen Yi T1-995 Technology(General) The aim of this study is to develop fermented water kefir drink from vegetable amaranth juice as an alternative for vegetarians and lactose intolerants to replace dairy beverages. Various analyses were conducted on fermented water kefir red amaranth (Amaranthus tricolor) and green amaranth (Amaranthus blitum) drinks fermented with selected sugar levels (5% and 7%). Both fermented red and green amaranth samples with 7% sugar achieved significant (p<0.05) decrement in pH value, total soluble solids, and sucrose concentration which represented efficient water kefir fermentation. Fermented red amaranth sample showed significant (p>0.05) increment in antioxidants activity and total phenolic content after fermentation represented higher nutritional value. Both fermented red and green amaranth samples were able to claim probiotic properties due to the achievement of minimum 106 CFU/mL of lactobacillus after 2 weeks of storage. Results from microbiological analyses showed a significantly (p<0.05) higher lactobacilli count (13.39 x 106 CFU/mL) and yeast and mold count (25.23 x 106 CFU/mL) in fermented red amaranth drink with 7% sugar level compared to green amaranth. Both samples had acceptable range of coliform count and absence of fecal coliforms represented the stable microbial quality. However, red and green amaranth vegetable juice were not fully suitable to use as water kefir substrate due to low titratable acidity and total viable cell count. As an overall, fermented red and green amaranth water kefir drinks were successfully produced. Universiti Sains Malaysia 2020-07 Monograph NonPeerReviewed application/pdf en http://eprints.usm.my/47044/1/CHIN%20WEN%20YI.pdf Chin, Wen Yi (2020) Development Of Fermented Water Kefir Amaranth Drink. Project Report. Universiti Sains Malaysia. (Submitted) http://ethesis.usm.my:8080/jspui/
spellingShingle T1-995 Technology(General)
Chin, Wen Yi
Development Of Fermented Water Kefir Amaranth Drink
title Development Of Fermented Water Kefir Amaranth Drink
title_full Development Of Fermented Water Kefir Amaranth Drink
title_fullStr Development Of Fermented Water Kefir Amaranth Drink
title_full_unstemmed Development Of Fermented Water Kefir Amaranth Drink
title_short Development Of Fermented Water Kefir Amaranth Drink
title_sort development of fermented water kefir amaranth drink
topic T1-995 Technology(General)
url http://eprints.usm.my/47044/
http://eprints.usm.my/47044/
http://eprints.usm.my/47044/1/CHIN%20WEN%20YI.pdf