• Nenhum resultado encontrado

An improved and fast UHPLC PDA methodology for determination of L ascorbic and dehydroascorbic

N/A
N/A
Protected

Academic year: 2018

Share "An improved and fast UHPLC PDA methodology for determination of L ascorbic and dehydroascorbic"

Copied!
10
0
0

Texto

Loading

Imagem

Table 2 Repeatability of the assayed UHPLC-PDA method, calculated as the RSD for six replicate (n06) injections at one concentration level (10 μg/mL)
Table 3 Recovery of the assayed UHPLC-PDA method to determine L-AA and total vitamin C in fruits and vegetables
Fig. 2 Typical chromatograms of: (a) standard of L-AA (50 μg/mL;
Fig. 4 Profile of total vitamin C (L-AA + DHAA) content on local and imported vegetables and its degradation with storage time

Referências

Documentos relacionados

(2012) evaluated the chemical composition, bioactive compounds and the present antioxidant activity in the pulp of five types of fruits of Brazilian Cerrado, including the species

Based on the premise that L-ascorbic acid can positively influence the preservation of bioactive compounds (total phenols, total anthocyanins and total carotenoids) of red and

Being the papaya a good source of ascorbic acid, β -carotene and licopene this research aimed at determining L-ascorbic acid, β -carotene and licopene content in papaya fruits,

The aim of this study was to evaluate the effects of increasing doses of ascorbic acid (AA) and citric flavonoids (quercetin and rutin) on the performance and meat

The transformation law of the Maillard reaction products with three different reactants ratios - equimolar reactants, excess L-glutamic acid and excess L-ascorbic acid

Therefore the aim of this study was to determine antioxidant activity (ABTS, DPPH and FRAP methods), ascorbic acid, total phenolics and total carotenoids in those alcoholic

Dessa forma, a divulgação de informações acerca do uso do PEP e de seus benefícios é de extrema relevância tanto social quanto acadêmica pois, faz uma ressalva acerca

No que se refere à “imagem-síntese”, as festas (e não apenas o São João) são espaços-tempos bem explorados, pelo poder público local, para afirmação e projeção midiática