Sammanfattning

The concentration of antioxidants in fresh produce is important in terms of human nutrition. The main antioxidants, found in relatively high concentrations in leafy vegetables, are ascorbic acid (AsA), carotenoids and flavonoids. There is an increasing interest in finding ways to improve the nutritional quality of vegetables by increasing or maintaining antioxidant content during storage. This study has investigated the effect of postharvest high temperature treatments on nutritional quality changes in spinach during subsequent storage. Ascorbic acid was determined by HPLC during storage. The hot water (40 degrees C) pre-treatment reduced AsA loss during storage of spinach. However, the treatment was only effective in the case of spinach leaves subsequently stored at 0 degrees C, while in spinach leaves stored at 6 degrees C this effect was lost. In conclusion, hot water (40 degrees C) treatment can potentially be used for nutritional quality preservation in spinach leaves. Physiological processes induced by hot water treatment require further investigation.

Nyckelord

ascorbic acid; leafy vegetables; shelf life; temperature treatments

Publicerad i

Acta Horticulturae
2018, Volym: 1209, sidor: 123-127
Titel: Proceedings of the II International Conference on Quality Management of Fresh Cut Produce: Convenience Food for a Tasteful Life Torino, Italy, July 17 - 21, 2011
Utgivare: International Society for Horticultural Science

Konferens

2nd International Conference on Quality Management of Fresh Cut Produce - Convenience Food for a Tasteful Life, JUL 17-21, 2011, Torino, ITALY

SLU författare

• Mogren, Lars

  • Hortikultur, Sveriges lantbruksuniversitet
    

UKÄ forskningsämne

Trädgårdsvetenskap/hortikultur


Publikationens identifierare

DOI: https://doi.org/10.17660/ActaHortic.2018.1209.18

Permanent länk till denna sida (URI)

https://res.slu.se/id/publ/96800