Changes on the quality of donuts using psyllium husk as powder and edible coatings

Hyeonbin Oh, Byung Bum Choi, Young Soon Kim

Research output: Contribution to journalArticle

Abstract

The aim of this study was to develop health functional donuts with reduced oil absorption using psyllium husk. Twenty-four donut samples were prepared using both methods of adding psyllium husk powder at 0∼10% to wheat flour with dough and applying a coating agent (4∼12 g/L) to the dough. The quality changes in the donuts were studied in terms of quality, oil absorption, antioxidant activity, and lipase inhibitory activities. The moisture content of the donuts increased with increasing addition of psyllium husk and concentration of coating agent. The oil absorption of the donut decreased compared to 14.76% of the control group. The hardness and chewiness of the donut changed significantly (P<0.05), and the color of the donut crumb became darker due to the unique color of the psyllium husk. The total polyphenol content increased from 0.36∼0.67 gallic acid equivalent mg/g (P<0.05). The total flavonoid content also increased from 0.23∼0.65 quercetin equivalent mg/g (P<0.05). The decrease in 2,2’-azino-bis(3-ethylbenzothiazoline-6-sulfonic-acid) IC50 and increase in inhibitory activity against porcine pancreatic lipase highlighted the enhancing functionality of donut by the addition of psyllium husk. Through this study, the possibility of the development of high-functional donut product was confirmed using psyllium husk.

Original languageEnglish
Pages (from-to)1127-1134
Number of pages8
JournalJournal of the Korean Society of Food Science and Nutrition
Volume48
Issue number10
DOIs
Publication statusPublished - 2019 Jan 1

Fingerprint

Psyllium
doughnuts
edible films
hulls
Powders
powders
Oils
Lipase
Color
dough
oils
Gallic Acid
coatings
Sulfonic Acids
Quercetin
Hardness
Polyphenols
Flour
Flavonoids
Inhibitory Concentration 50

Keywords

  • Antioxidant activities
  • Donut
  • Edible coating
  • Psyllium husk
  • Quality properties

ASJC Scopus subject areas

  • Food Science
  • Nutrition and Dietetics

Cite this

Changes on the quality of donuts using psyllium husk as powder and edible coatings. / Oh, Hyeonbin; Choi, Byung Bum; Kim, Young Soon.

In: Journal of the Korean Society of Food Science and Nutrition, Vol. 48, No. 10, 01.01.2019, p. 1127-1134.

Research output: Contribution to journalArticle

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