Document Detail


Sensory attributes of dishes containing shrimp paste with different concentrations of glutamate and 5'-nucleotides.
MedLine Citation:
PMID:  20600418     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The shrimp paste called belacan is a traditional umami taste condiment extensively used in Malaysia that is rich in glutamate and 5'-nucleotides. The aim of this study was to determine the concentration of glutamate and 5'-nucleotides of various types of foods prepared with belacan and to measure their sensory attributes. The concentration of free glutamic acid found in different brands of belacan was 180-530mg/100g and in local dishes 601-4207mg/100g. The total amount of 5'-nucleotides in belacan samples ranged from 0.85 to 42.25μg/g. A Quantitative Descriptive Analysis (QDA) using a list of 17 sensory attributes showed a good correlation between belacan concentration in the final food and a range of positive sensory attributes, except for bitter, sweet, sour taste and astringency. Belacan also contains bitter, sweet and sour compounds that change the positive attributes of belacan at higher concentrations. The highest aroma attributes were linked to nasi goreng belacan (belacan fried rice) while the highest flavour attributes were found in sambal belacan. There was a 32 folds significant increase of umami attributes with the addition of belacan to final foods. The optimum amount of belacan was 0.45% for asam pedas (tamarind flavoured dish with belacan), 18% for sambal belacan (chilli belacan), 1.5-2.5% for kangkong goreng belacan (stir fried water convolous with belacan), and 2% for nasi goreng belacan.
Authors:
S Jinap; A R Ilya-Nur; S C Tang; P Hajeb; K Shahrim; M Khairunnisak
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Publication Detail:
Type:  Journal Article     Date:  2010-06-19
Journal Detail:
Title:  Appetite     Volume:  55     ISSN:  1095-8304     ISO Abbreviation:  Appetite     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-09-13     Completed Date:  2010-12-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8006808     Medline TA:  Appetite     Country:  England    
Other Details:
Languages:  eng     Pagination:  238-44     Citation Subset:  IM    
Affiliation:
Centre of Excellence for Food Safety Research (CEFSR), Faculty of Food Science and Technology, Universiti Putra Malaysia, UPM, Serdang, Selangor, Malaysia. jinap@food.upm.edu.my
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MeSH Terms
Descriptor/Qualifier:
Female
Food Handling
Glutamic Acid / analysis*
Humans
Malaysia
Male
Nucleotides / analysis*
Shellfish*
Taste Threshold*
Chemical
Reg. No./Substance:
0/Nucleotides; 56-86-0/Glutamic Acid

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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