Journal
FOOD CHEMISTRY
Volume 317, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2020.126380
Keywords
Cluster analysis; Glycine max (L.) Merrill; Postharvest storage; Modified atmosphere packaging; Nutrient; Metabolomics; Principal component analysis; Vegetable
Funding
- Japan Society for the Promotion of Science [15KT0026]
- Towa Foundation for Food Science Research
- Grants-in-Aid for Scientific Research [15KT0026] Funding Source: KAKEN
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Influence of atmosphere and storage period on the physicochemical and biological properties of harvested vegetable soybeans stored for 10 d at 25 degrees C was investigated. Storing vegetable soybeans under modified atmosphere (low O-2 and high CO2), was more effective in maintaining its green color and mass than storing them under normoxia. Principal component 1 (PC1; contribution rate: 25%) was related to the atmospheres, whereas PC2 (contribution rate: 19%) was related to storage period. Cluster analysis showed that some types of sugars decreased, whereas some types of organic and amino acids increased with deterioration. Alanine, an indicator of low O-2 stress, was maintained for 3 d under modified atmospheres, whereas alanine significantly decreased under normoxia. The concentrations of inositol and niacinamide (functional ingredients) under the modified atmospheres were significantly higher than those under normoxia. Thus, storage under modified atmospheres was effective in maintaining freshness and increasing the nutritional content of vegetable soybeans.
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