Effect of extrusion on folic acid concentration and mineral element dialyzability in Great Northern beans (Phaseolus vulgaris L.)

Paridhi Gulati, Devin J. Rose

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Great Northern beans (GNB) contain appreciable magnesium (Mg), potassium (K), phosphorus (P), and iron (Fe), together with the heat-labile vitamin, folate, and the anti-nutritional compound phytate. Thus, the objective was to increase dialyzability of essential mineral elements while degrading phytate and minimizing destruction of folate through extrusion of GNB. Extrusion resulted in significant (p < 0.05) increases in dialyzability of Mg, P, K, and Fe by as much as 50%, 30%, 5%, and 79%, respectively, while decreasing cadmium (Cd) dialyzability. Screw speed (SS) had a significant quadratic effect on dialyzability of all elements. Low MC resulted in a significant reduction (46%) in phytate, although this was accompanied by as much as 24% destruction of folate. In conclusion, low barrel temperature, medium MC and high SS were identified as the optimum conditions to maximize essential mineral element dialyzability and folate retention while minimizing phytate and dialyzable Cd.

Original languageEnglish (US)
Pages (from-to)118-124
Number of pages7
JournalFood Chemistry
Volume269
DOIs
StatePublished - Dec 15 2018

Fingerprint

Great Northern beans
Phytic Acid
Phaseolus
phytic acid
Folic Acid
extrusion
folic acid
Phaseolus vulgaris
Minerals
Extrusion
minerals
screws
Cadmium
Magnesium
cadmium
magnesium
Vitamins
Phosphorus
vitamins
Potassium

Keywords

  • Bio-accessibility
  • Dry beans
  • Folic acid
  • Iron
  • Magnesium
  • Phytic acid

ASJC Scopus subject areas

  • Analytical Chemistry
  • Food Science

Cite this

Effect of extrusion on folic acid concentration and mineral element dialyzability in Great Northern beans (Phaseolus vulgaris L.). / Gulati, Paridhi; Rose, Devin J.

In: Food Chemistry, Vol. 269, 15.12.2018, p. 118-124.

Research output: Contribution to journalArticle

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