Effect of storage temperature and time on the nutritional quality of walnut male inflorescences

The objective of this study was to investigate the effect of storage temperature and time on nutrients, bioactive compounds, and antioxidant activities of walnut male inflorescences. The results showed that the moisture, saccharides, fat, protein, amino acids, ascorbic acid, phenolic and flavonoid c...

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Bibliographic Details
Published in:Yàowu shi͡p︡in fenxi 2017-04, Vol.25 (2), p.374-384
Main Authors: Zhang, Wen-E, Wang, Chang-Lei, Shi, Bin-Bin, Pan, Xue-Jun
Format: Article
Language:English
Subjects:
Amino acids
antioxidant activity
Antioxidants
Ascorbic Acid
Bioactive compounds
Biological activity
Carbohydrates
Commodities
Crop diseases
Crops
Dietary fiber
Dietary minerals
Flowers
Food Preservation
Food Storage
Fruits
Horticulture
Inflorescence
Juglans
Nutrients
Nutritive Value
Original
Phenols
physicochemical changes
Potassium
Proteins
Quality
Saccharides
Senescence
Storage
Storage temperature
Temperature
Temperature effects
walnut male inflorescences
Walnuts
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Summary:The objective of this study was to investigate the effect of storage temperature and time on nutrients, bioactive compounds, and antioxidant activities of walnut male inflorescences. The results showed that the moisture, saccharides, fat, protein, amino acids, ascorbic acid, phenolic and flavonoid compound contents, and antioxidant activities of walnut male inflorescences were markedly influenced by storage temperature, and different degrees of decrease in these parameters were observed during the entire storage period. Moreover, higher storage temperature had a more significant effect on the nutrients, bioactive compounds, and antioxidant activities of walnut male flowers, and the loss rate of these components at 25°C was higher than that determined at 4°C. However, the results also presented that the ash and mineral contents did not appear to be influenced significantly by the storage temperature, and slightly significant changes were observed in crude fiber throughout storage, which indicated that the influence of storage on the individual mineral and crude fiber content was minimal. Based on the findings in this study, in order to maximize nutrients concentration, walnut male inflorescences should be kept at 4°C for
ISSN:1021-9498
2224-6614
DOI:10.1016/j.jfda.2016.05.010