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Total Nitorgen Content from Earthworm (Eisenia Foetida) Using The Kjeldahl Method

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Main Authors: Zarina, Zakaria, Alina Rahayu, Mohamed, Noor Hasyierah, Mohd Salleh, Siti Nursheela, Abu Mansor
Other Authors: zarinaz@unimap.edu.my
Format: Article
Language:English
Published: IIUM Press, International Islamic University Malaysia 2020
Subjects:
Nitrogen content
Earthworm
Kjeldahl method
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/68509
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spelling my.unimap-685092020-10-26T04:54:49Z Total Nitorgen Content from Earthworm (Eisenia Foetida) Using The Kjeldahl Method Zarina, Zakaria Alina Rahayu, Mohamed Noor Hasyierah, Mohd Salleh Siti Nursheela, Abu Mansor zarinaz@unimap.edu.my Nitrogen content Earthworm Kjeldahl method Link to publisher's homepage at https://journals.iium.edu.my/ In the fish aquaculture management, fish feed is identified as a major problem. The high cost and scarcity of fishmeal in formulated feeds have led to the use of other protein sources such as earthworms and animal by-product. Earthworm is an alternative source of protein to replace the fish meal in the fish feed formulation. In this study, total nitrogen content in the earthworm powder is determined using the Kjeldahl method by employing the statistical software, Full Factorial Design (FFD) which could provide the significant information about the studied parameters. The parameters are, the digestion time (min) and the volume of sulfuric acid (H2SO4) (ml). From the analysis of variance (ANOVA), the volume of H2SO4 and the interaction between digestion time and the volume of H2SO4 are found to be important parameters in the nitrogen determination process via the Kjeldahl method. The highest nitrogen content obtained was 12.23%, when using 15 ml H2SO4 and 60 mins of digestion time. The value of R2 is 0.9986, which shows that the selected parameters (the digestion time and the volume of H2SO4) and its corresponding levels are highly correlated to the percentage nitrogen content in earthworm powder using the Kjeldahl method. 2020-10-26T04:54:49Z 2020-10-26T04:54:49Z 2013 Article IIUM Engineering Journal, vol.14(1), 2013, pages 43-51 1511-788X (print) 2289-7860 (online) http://dspace.unimap.edu.my:80/xmlui/handle/123456789/68509 https://journals.iium.edu.my/ en IIUM Press, International Islamic University Malaysia
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Nitrogen content
Earthworm
Kjeldahl method
spellingShingle Nitrogen content
Earthworm
Kjeldahl method
Zarina, Zakaria
Alina Rahayu, Mohamed
Noor Hasyierah, Mohd Salleh
Siti Nursheela, Abu Mansor
Total Nitorgen Content from Earthworm (Eisenia Foetida) Using The Kjeldahl Method
description Link to publisher's homepage at https://journals.iium.edu.my/
author2 zarinaz@unimap.edu.my
author_facet zarinaz@unimap.edu.my
Zarina, Zakaria
Alina Rahayu, Mohamed
Noor Hasyierah, Mohd Salleh
Siti Nursheela, Abu Mansor
format Article
author Zarina, Zakaria
Alina Rahayu, Mohamed
Noor Hasyierah, Mohd Salleh
Siti Nursheela, Abu Mansor
author_sort Zarina, Zakaria
title Total Nitorgen Content from Earthworm (Eisenia Foetida) Using The Kjeldahl Method
title_short Total Nitorgen Content from Earthworm (Eisenia Foetida) Using The Kjeldahl Method
title_full Total Nitorgen Content from Earthworm (Eisenia Foetida) Using The Kjeldahl Method
title_fullStr Total Nitorgen Content from Earthworm (Eisenia Foetida) Using The Kjeldahl Method
title_full_unstemmed Total Nitorgen Content from Earthworm (Eisenia Foetida) Using The Kjeldahl Method
title_sort total nitorgen content from earthworm (eisenia foetida) using the kjeldahl method
publisher IIUM Press, International Islamic University Malaysia
publishDate 2020
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/68509
_version_ 1698698470467043328
score 13.214268

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