Related Experiment Video
Updated: Jul 19, 2025
13:02
The Terroir Concept Interpreted through Grape Berry Metabolomics and Transcriptomics
Published on: October 5, 2016
10.5K
Characterizing wine terroir using strontium isotope ratios: a review
Bruna Saar de Almeida1, Lorenzo Fedele2, Massimo D'Antonio2
1Université du Québec à Montréal (UQAM)/GEOTOP, Montréal, Canada.
Isotopes in Environmental and Health Studies
|August 18, 2023
Summary
Strontium (Sr) isotope ratios, specifically 87Sr/86Sr, reliably trace wine
Area of Science:
- Geochemistry
- Food Science
- Analytical Chemistry
Background:
- Strontium (Sr) isotope ratios (87Sr/86Sr) in wine reflect vineyard soil composition.
- This geochemical fingerprinting is crucial for wine authentication and provenance studies.
Purpose of the Study:
- To review the application of 87Sr/86Sr isotope systematics in wine provenance.
- To evaluate analytical methods and discuss the global applicability of Sr isotope tracing for wine authentication.
Main Methods:
- Bibliometric analysis of published 87Sr/86Sr wine data (1993-2021) from 22 countries.
- Evaluation of analytical procedures and isotope ratio ranges.
- Integration of Sr isotope data with geological and soil characteristics.
Main Results:
- 87Sr/86Sr isotope tracing is effective for wine authentication, particularly at regional scales.
- Limitations exist for global-scale applications.
- Wines from volcanic soils in Central and Southern Italy can be uniquely identified.
Conclusions:
- 87Sr/86Sr isotope analysis is a powerful tool for determining wine's geographical origin.
- Combining isotope data with soil and geological information enhances wine authentication accuracy.
- A detailed protocol for Sr isotope application in wine authentication is presented.
Related Concept Videos
02:48Radioactive Decay and Radiometric Dating
34.3K
Radioactivity is a spontaneous disintegration of an unstable nuclide and is a random process, as all the nuclei in the sample do not decay simultaneously. The number of disintegrations per unit time is called the activity (A), which is directly proportional to the number of nuclei in the sample. The decay constant (λ) is an average probability of decay per nucleus in unit time.
34.3K
03:46Qualitative Analysis
22.4K
For solutions containing mixtures of different cations, the identity of each cation can be determined by qualitative analysis. This technique involves a series of selective precipitations with different chemical reagents, each reaction producing a characteristic precipitate for a specific group of cations. Metal ions within a group are further separated by varying the pH, heating the mixture to redissolve a precipitate, or adding other reagents to form complex ions.
For instance, group IV...
For instance, group IV...
22.4K
01:13Mass Spectrometry: Isotope Effect
2.2K
Most elements exist in nature as a mixture of isotopes. The isotopes differ in weight due to their respective number of neutrons. The molecular weight of a molecule is different depending on the specific isotope of its elements involved. As a result, the mass spectrum of the molecule exhibits peaks from the same fragment at multiple positions. The positions of these mass signals depend on the difference between the molecular mass. Furthermore, the intensity of these signals is dependent on the...
2.2K
00:49Gravimetry: Inorganic And Organic Precipitating Agents
1.3K
In gravimetry, the precipitant is chosen carefully to obtain a pure solid that can be easily filtered. Common inorganic precipitants can be used to determine several cations and anions. In some cases, the formation of the same precipitate can be used to determine the cation and the anion. For example, the reaction of barium and chromate ions to give barium chromate is used to determine both barium and chromate. However, precipitates such as hydroxides, oxalates, and metal ammonium phosphates...
1.3K