Determination of anions, cations, and sugars in coconut water by capillary electrophoresis
Open accessAbstract
This work presents the determination of several analytes in coconut water by using capillary electrophoresis with contactless conductivity detection (CCD). It was analyzed 5 different samples: two unprocessed (natural) coconut water and three processed (commercial) ones. The samples were injected without pretreatment and only a simple dilution was necessary. The technique was applied to quantify 12 analytes: chloride, sulfate, phosphate, malate, ascorbate, potassium, sodium, calcium, magnesium, fructose, glucose, and sucrose with limit of detection (LOD) of 0.09, 0.12, 0.50, 0.97, 1.2, 0.05, 0.17, 0.12, 0.08, 5.4, 7.4, and 8.9 mg L-1, respectively. These analysis were done utilizing four different running buffers.
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Potassium is the main mineral element in coconut water.
“Authors agreed that potassium is the main mineral element in coconut water [33,38,39].”
From Coconut water uses, composition and properties: a review (2012) · cites this paper as [38]
The osmolarity of coconut water is about 300 mOsm/L.
“The osmolarity of coconut water is about 300 mOsm•L -1 [36][37][38].”
From Coconut water uses, composition and properties: a review (2012) · cites this paper as [38]
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- Authors
- Richter, E. M., Jesus, D. P. D., Muñoz, R. A. A., Lago, C. L. D., & Angnes, L.
- Affiliations
- Universidade de São Paulo (BR)
- Corresponding author
- Angnes, Lúcio
- Venue
- Journal of the Brazilian Chemical Society
- Published
- 2005-12
- Volume
- 16
- Issue
- 6a
- ISSN
- 0103-5053 (ISSN-L)
- OpenAlex
- W2165293467
- Cited by
- 50
- References
- 4
- Citations by year
- 2026: 1 · 2024: 1 · 2023: 2 · 2022: 5 · 2021: 2 · 2019: 2 · 2018: 2 · 2017: 1 · 2016: 3 · 2015: 5 · 2014: 3 · 2013: 5 · 2012: 4
- FWCI
- 0.99
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- cc-by-nc
- Locations
- Journal of the Brazilian Chemical Society (publishedVersion, cc-by-nc)
- LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (publishedVersion, other-oa)
- Americanae (AECID Library) (submittedVersion, other-oa)
- Funders
- Fundação de Amparo à Pesquisa do Estado de São Paulo
- Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
- Conselho Nacional de Desenvolvimento Científico e Tecnológico
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Microfluidic and Capillary Electrophoresis Applications
- Physical Sciences › Chemistry › Inorganic Chemistry › Coconut Research and Applications
- Physical Sciences › Chemistry › Spectroscopy › Analytical Chemistry and Chromatography
- Keywords
- coconut water, negative ions, cations, sugar, chloride, sulfate, phosphate, malate, vitamin C, potassium, sodium, calcium, magnesium, fructose, glucose, sucrose, contactless conductivity detection, capillary electrophoresis
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