查看文章

The purpose of the present study was to investigate the effect of solar and freeze drying approaches on the physico-chemical, thermal and pasting properties of raw and blanched elephant foot yam (Amorphophallus paeoniifolius). Morphologically, starch granules in blanched and solar dried flours were observed as heterogeneous and collapsed while raw freeze dried flour was the least affected. The amylose content was highest in IDSB (29.50%) followed by DSB, FDB, FDR, and IDSR while lowest in DSR (15.83%). Freeze dried flours had higher whiteness (L*) than solar dried flours. Freeze dried raw flour (19.38%) had the highest solubility while freeze dried blanched flour (8.39%) exhibited the lowest. Freeze dried flour samples had the least swelling power. Direct solar dried (raw and blanched) flours showed relatively lower syneresis than freeze dried flours. The differences in pasting profile, textural analysis …