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Abstract ▼ AI-Helper

As a fundamental research for the development of pumpkin products, the changes of carotenoids were investigated in hot air dried pumpkin powder packed in PE/nylon film during storage at 2$0^{\circ}C$ under the dark and bright conditions. Total amounts of carotenoids in the dehydrated pum...

As a fundamental research for the development of pumpkin products, the changes of carotenoids were investigated in hot air dried pumpkin powder packed in PE/nylon film during storage at 2$0^{\circ}C$ under the dark and bright conditions. Total amounts of carotenoids in the dehydrated pumpkin powder were reduced by 65~70 percentage without effect of light after one month. The carotenoids of pumpkin powder were separated to five spots without effect of light by TLC, but difference of color was not significant throughout the storage period. By the analysis of HPLC, leutin, under bright condition, was increased from 15 days of storage but under dark condition it was not changed for one month. Meanwhile, p-carotene, under bright condition, was decreased from 15 days of storage but under drak condition it was decreased from 25 days. The contents of lycopene and $\alpha$ -carotene did not show any significant change throughout the storage period. In color analysis, yellowness value was de- creased in bright as well as dark condition from 10 day storage.

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