Severity: Warning
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File: /var/www/html/application/helpers/my_audit_helper.php
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Function: file_get_contents
File: /var/www/html/application/helpers/my_audit_helper.php
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Function: simplexml_load_file_from_url
File: /var/www/html/application/helpers/my_audit_helper.php
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Function: getPubMedXML
File: /var/www/html/application/controllers/Detail.php
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Function: pubMedSearch_Global
File: /var/www/html/application/controllers/Detail.php
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Function: pubMedGetRelatedKeyword
File: /var/www/html/index.php
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Function: require_once
Severity: Warning
Message: Attempt to read property "Count" on bool
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File: /var/www/html/application/helpers/my_audit_helper.php
Line: 3100
Function: _error_handler
File: /var/www/html/application/controllers/Detail.php
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Function: pubMedSearch_Global
File: /var/www/html/application/controllers/Detail.php
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Function: pubMedGetRelatedKeyword
File: /var/www/html/index.php
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Function: require_once
The craft beer industry is becoming increasingly interested in the production of innovative beers. A novel approach, designated as "primary souring," employs diverse yeast species, including Lachancea thermotolerans, to produce sour beers. Furthermore, there is a growing interest in utilising unconventional yeasts to produce beers with distinctive flavours. For the first time, yeast strains of L. thermotolerans, isolated from sugar extracts of manna ash, were evaluated for their ability to produce and improve the sensory properties of sour beers. In particular, five strains exhibited notable resistance to ethanol, sugar and hops, as well as comparable lactic acid production (ranging from 0.33 to 0.45 g/L). Experimental beers produced using MNF105 (T1) were perceived as the most "fruity". This is the first study to examine the impact of this novel indigenous strain, derived from unconventional matrixes such as manna, on the organoleptic quality of craft sour beers. Consequently, elevated levels of ethyl decanoate, ethyl hexanoate, ethyl octanoate and ethyl nonanoate were found in T1 beer, exceeding the perception threshold. The ability of this strain to perform light bio-acidification is a valuable feature for the development of new brewing techniques, particularly for the creation of sour beers with balanced acidity and innovative flavours. The yeast L. thermotolerans MNF105, which is related to manna, has excellent technological properties and is a promising starter for beer production with the ability to light bio-acidify and modulate flavour.
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Source |
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http://dx.doi.org/10.1016/j.foodres.2024.115328 | DOI Listing |
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