期刊
MOLECULES
卷 28, 期 5, 页码 -出版社
MDPI
DOI: 10.3390/molecules28052359
关键词
jabuticaba; jambolan; peel; pulp; seed; chemical profile; PS-MS
This study determined the chemical profiles of jabuticaba and jambolan fruits using paper spray mass spectrometry and found that they are rich in phenolic compounds. The different parts of the fruits produced different chemical fingerprints when extracted using different solvents. These compounds in jabuticaba and jambolan have the potential to positively impact human health and nutrition.
Jabuticaba (Plinia cauliflora) and jambolan (Syzygium cumini) fruits are rich in phenolic compounds with antioxidant properties, mostly concentrated in the peel, pulp, and seeds. Among the techniques for identifying these constituents, paper spray mass spectrometry (PS-MS) stands out as a method of ambient ionization of samples for the direct analysis of raw materials. This study aimed to determine the chemical profiles of the peel, pulp, and seeds of jabuticaba and jambolan fruits, as well as to assess the efficiency of using different solvents (water and methanol) in obtaining metabolite fingerprints of different parts of the fruits. Overall, 63 compounds were tentatively identified in the aqueous and methanolic extracts of jabuticaba and jambolan, 28 being in the positive ionization mode and 35 in the negative ionization mode. Flavonoids (40%), followed by benzoic acid derivatives (13%), fatty acids (13%), carotenoids (6%), phenylpropanoids (6%), and tannins (5%) were the groups of substances found in greater numbers, producing different fingerprints according to the parts of the fruit and the different extracting solvents used. Therefore, compounds present in jabuticaba and jambolan reinforce the nutritional and bioactive potential attributed to these fruits, due to the potentially positive effects performed by these metabolites in human health and nutrition.
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