EUROPEAN JOURNAL OF
PHARMACEUTICAL AND MEDICAL RESEARCH

( An ISO 9001:2015 Certified International Journal )

An International Peer Reviewed Journal for Pharmaceutical, Medical & Biological Sciences

An Official Publication of Society for Advance Healthcare Research (Reg. No. : 01/01/01/31674/16)

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Abstract

ASSESSMENT OF FLOURIDE CONTENT IN VARIOUS POPULAR INDIAN TEA BRANDS.

*Dr. Nagarjuna P., Dr. Chandra Sekhara Reddy V., Dr. Afroz Anjum, Dr. Aripaka Sravani, Dr. Saudagar M. Ziauddin and Dr. Roshan Dhonge

ABSTRACT

Background: Tea (Camellia sinensis) is a naturally rich source of fluoride. The quantity of fluoride intake is important in optimizing its dental caries- preventive role. Intense concentration of fluoride in tea, can lead to excessive fluoride intake which may cause health problems in turn. The measurement of fluoride intake usually requires information on the fluoride concentration in food and beverages. Objectives: To estimate the fluoride content in various commercial brands of tea available in Indian market. Methods: A total of 15 tea brands among which five different popular brands of green tea and ten different popular brands of black tea was purchased from local supermarkets available in Nellore city. Tea infusions were prepared in a customary way at different brewing time i.e. 3 minutes, 5 minutes and 7 minutes. Fluoride content of all samples was determined by SPADNS method using a spectrophotometer. The top 3 tea brands which release high fluoride content among 15 tea brands were again assessed to determine the effect of adding milk and sugar/honey on the fluoride release. The data was analysed using SPSS (statistical package for social sciences), version 22. Mean and standard deviations were calculated and ANOVA was used to compare the fluoride concentration in tea infusions prepared by different methods. Results: Mean concentration of fluoride in the black tea was 0.94±0.02 mg/lit without boiling, 1.04±0.09 mg/lit at 3 minutes, 2.07±0.14 mg/lit at 5 minutes and 2.81±0.18 mg/lit at 7 minutes. Corresponding concentrations in green tea were 1.25±0.07 mg/lit, 2.15±0.05 mg/lit, 2.96±0.07 mg/lit and 3.21±0.08 mg/lit respectively. Fluoride concentration was significantly higher in green tea in all four types of infusions. Conclusion: The study shows that tea contains significant amount of fluoride that should be taken into consideration. Currently, there is no strict regulations for the labeling of fluoride content on tea bags/packs in India and many other countries. So regulations concerning labeling should be issued.

Keywords: .


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Google Scholar Indian Science Publications InfoBase Index (In Process) SOCOLAR, China Research Bible, Fuchu, Tokyo. JAPAN International Society for Research activity (ISRA) Scientific Indexing Services (SIS) Polish Scholarly Bibliography Global Impact Factor (GIF) (Under Process) Universal Impact Factor International Scientific Indexing (ISI), UAE Index Copernicus CAS (A Division of American Chemical Society) USA (Under Process) Directory of Open Access Journal (DOAJ, Sweden, in process) UDLedge Science Citation Index CiteFactor Directory Of Research Journal Indexing (DRJI) Indian citation Index (ICI) Journal Index (JI, Under Process) Directory of abstract indexing for Journals (DAIJ) Open Access Journals (Under Process) Impact Factor Services For International Journals (IFSIJ) Cosmos Impact Factor Jour Informatics (Under Process) Eurasian Scientific Journal Index (ESJI) International Innovative Journal Impact Factor (IIJIF) Science Library Index, Dubai, United Arab Emirates Pubmed Database [NLM ID: 101669306] (Under Process) IP Indexing (IP Value 2.40) Web of Science Group (Under Process) Directory of Research Journals Indexing Scholar Article Journal Index (SAJI) International Scientific Indexing ( ISI ) Scope Database Academia