Document Detail


Studies on aluminium leaching from cookware in tea and coffee and estimation of aluminium content in toothpaste, baking powder and paan masala.
MedLine Citation:
PMID:  9092078     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Studies were conducted in order to assess the level of aluminium (Al) in samples of Indian tea, coffee, toothpaste, paan masala (mouth freshener) and baking powder. Leaching of Al from cookware while preparing tea and coffee was also studied. Experiments were also conducted to study the sequential leaching of Al from cookware by preparing tea and coffee in the presence of standard size Al sheets (coupons). A small amount of Al was found to have leached from coupons during preparation of tea. Tea leaves, were found to be a rich source of Al and a maximum of 2.2% Al is extracted in tea infusions. Coffee powder on the other hand was not found to be a rich source of Al. Baking powder was found to be a rich source of Al and 1 kg of cake prepared with 1-3 teaspoon of baking powder may contain 2-12.7 mg of Al in each serving (25 g). Toothpaste also contains a significant quantity of Al, more so, when packed in Al tubes. Ingestion pattern of Al from these items by humans is also discussed.
Authors:
P Rajwanshi; V Singh; M K Gupta; V Kumari; R Shrivastav; M Ramanamurthy; S Dass
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The Science of the total environment     Volume:  193     ISSN:  0048-9697     ISO Abbreviation:  Sci. Total Environ.     Publication Date:  1997 Jan 
Date Detail:
Created Date:  1997-04-04     Completed Date:  1997-04-04     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0330500     Medline TA:  Sci Total Environ     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  243-9     Citation Subset:  IM    
Affiliation:
Department of Chemistry, Faculty of Science, Dayalbagh Educational Institute, Agra, India.
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MeSH Terms
Descriptor/Qualifier:
Alum Compounds / chemistry*
Aluminum / analysis*,  metabolism,  pharmacology
Areca / chemistry
Calcium Sulfate / chemistry*
Coffee / chemistry*
Cooking and Eating Utensils
Humans
India
Plants, Medicinal
Plants, Toxic
Sodium Bicarbonate / chemistry*
Starch / chemistry*
Tea / chemistry*
Tobacco, Smokeless / chemistry
Toothpaste / analysis*
Chemical
Reg. No./Substance:
0/Alum Compounds; 0/Coffee; 0/Tea; 0/Toothpaste; 0/baking powder; 144-55-8/Sodium Bicarbonate; 7429-90-5/Aluminum; 7778-18-9/Calcium Sulfate; 9005-25-8/Starch

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


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