دورية أكاديمية
Antioxidant Activity and Metabolomic Analysis of Cagaitas (Eugenia dysenterica) using Paper Spray Mass Spectrometry
| العنوان: | Antioxidant Activity and Metabolomic Analysis of Cagaitas (Eugenia dysenterica) using Paper Spray Mass Spectrometry |
|---|---|
| المؤلفون: | Silva, Mauro R., Freitas, Lucas G., Souza, Amauri G., Araújo, Raquel L. B., Lacerda, Inayara C. A., Pereira, Hebert V., Augusti, Rodinei, Melo, Júlio O. F. |
| المصدر: | Journal of the Brazilian Chemical Society. May 2019 30(5) |
| بيانات النشر: | Sociedade Brasileira de Química, 2019. |
| سنة النشر: | 2019 |
| مصطلحات موضوعية: | paper spray, principal components analysis, ABTS, FRAP, DPPH |
| الوصف: | Cagaita is a fruit from Brazilian cerrado, belongs to Myrtaceae family, and has important economic value. This work aimed to determine the total antioxidant capacity (extractable and non-extractable fractions) by different methods and to evaluate the use of paper spray mass spectrometry to obtain fingerprints of cagaita from different regions with the aid of principal components analysis. Cagaitas had higher antioxidant activity than those found in other fruits mentioned in literature, and the non-extractable fraction was 18.90 to 21.05% of the antioxidant capacity. The analysis of paper spray mass spectrometry in positive and negative ionization modes identified several substances, including organic acids, sugars, amino acids and several other classes of phenolic compounds. Analysis of the main components of cagaita samples permitted discrimination of the major constituents such as sugars and different kinds of phenolic compounds. Thus, this study demonstrated that paper spray mass spectrometry is a simple and ultrafast method with minimum sample preparation that allows the analysis of the chemical profile of cagaita. |
| نوع الوثيقة: | article |
| وصف الملف: | text/html |
| اللغة: | English |
| تدمد: | 0103-5053 |
| DOI: | 10.21577/0103-5053.20190002 |
| الوصول الحر: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532019000501034Test |
| حقوق: | info:eu-repo/semantics/openAccess |
| رقم الانضمام: | edssci.S0103.50532019000501034 |
| قاعدة البيانات: | SciELO |
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