Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Effects of EDTA on End-Point Detection Methods

Effects of EDTA on End-Point Detection Methods

Different methods, such as visual observance of metal-ion indicators, spectroscopic techniques, and potentiometric methods, can determine the endpoint of an EDTA titration.
In the visual method, metal-ion indicators (metallochromic dyes), which have distinct colors in their free and complex forms, are added to the mixture to signal the titration's end point. They form stable complexes with metal ions, but these complexes are weaker than the corresponding metal–EDTA complexes. As a result, EDTA...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

The Hazardous Level of Heavy Metals in Different Medicinal Plants and Their Decoctions in Water: A Public Health Problem in Brazil.

BioMed research international·2020

Same author

Oxidative stress in coronary artery bypass surgery.

Revista brasileira de cirurgia cardiovascular : orgao oficial da Sociedade Brasileira de Cirurgia Cardiovascular·2016

Same author

Zinc and cardiomyopathies.

International journal of cardiology·2014

Same author

Structural modeling of djenkolic acid with sulfur replaced by selenium and tellurium.

Molecules (Basel, Switzerland)·2014

Same author

Hematologic parameters and copper levels in patients with cardiomyopathies.

International journal of cardiology·2014

Same author

Computerized modeling of adenosine triphosphate, adenosine triarsenate and adenosine trivanadate.

Molecules (Basel, Switzerland)·2012

Search research articles

Related Experiment Video

Updated: May 27, 2026

Fruit Volatile Analysis Using an Electronic Nose

Fruit Volatile Analysis Using an Electronic Nose

Published on: March 30, 2012

Trace elements in fruit juices.

Victor Luiz Cordoba Bragança¹, Petr Melnikov, Lourdes Z Zanoni

¹Federal University of Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, Brazil.

Biological Trace Element Research

|November 10, 2011

Summary

Mineral content in tropical fruit juices was analyzed. Levels of essential minerals like copper and zinc were found, while toxic metals were very low, ensuring safety within legal limits.

Area of Science:

Food Science
Environmental Chemistry
Public Health

Background:

Fruit juices are popular beverages in tropical regions.
Assessing mineral content is crucial for dietary intake and safety.

Purpose of the Study:

To quantify mineral concentrations in commercially available tropical fruit juices.
To evaluate the safety of these juices based on local legislation.

Main Methods:

Analysis of four commercial fruit juice brands.
Quantification of cadmium, lead, copper, zinc, aluminum, iron, chromium, manganese, and molybdenum using analytical techniques.

Main Results:

Copper, zinc, aluminum, iron, and manganese were detected at varying levels.

More Related Videos

Profiling Volatile Compounds in Blackcurrant Fruit using Headspace Solid-Phase Microextraction Coupled to Gas Chromatography-Mass Spectrometry

Profiling Volatile Compounds in Blackcurrant Fruit using Headspace Solid-Phase Microextraction Coupled to Gas Chromatography-Mass Spectrometry

Published on: June 9, 2021

Related Experiment Videos

Last Updated: May 27, 2026

Fruit Volatile Analysis Using an Electronic Nose

Fruit Volatile Analysis Using an Electronic Nose

Published on: March 30, 2012

Profiling Volatile Compounds in Blackcurrant Fruit using Headspace Solid-Phase Microextraction Coupled to Gas Chromatography-Mass Spectrometry

Profiling Volatile Compounds in Blackcurrant Fruit using Headspace Solid-Phase Microextraction Coupled to Gas Chromatography-Mass Spectrometry

Published on: June 9, 2021

Cadmium, lead, and chromium were found to be very low or undetectable.

All analyzed metal concentrations were within the limits set by local legislation.

Conclusions:

Tropical fruit juices contain essential minerals and minimal toxic metals.
The mineral profiles are influenced by agricultural and manufacturing factors.
The analyzed fruit juices are safe for consumption according to current regulations.