Effect of sweet potato leaf powder addition on bread quality, antioxidant properties, and starch digestibility

  • DONG Xiaolin ,
  • MA Liping ,
  • BIAN Xuejie ,
  • JIAO Kunpeng ,
  • YANG Haokun ,
  • WANG Chengyuan
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  • (College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471023, China)

Received date: 2022-08-19

  Revised date: 2022-10-13

  Online published: 2024-01-31

Abstract

To investigate the effect of sweet potato leaf (SPL) powder on the quality of bread, this study measured the basic indexes and sensory evaluation of bread with different additive amounts of SPL powder, and the effect of SPL powder on the antioxidant and in vitro digestive properties of bread was analyzed by in vitro experiments. Results showed that the specific volume of SPL bread decreased, the moisture content increased, and the color became darker compared with the control bread. There was no significant difference in the textural properties of the bread with 0.5% and 1% SPL powder, and the total sensory evaluation score was higher than that of the control bread. The total phenolic content (0.67-3.10 mg GAE/g), DPPH radical scavenging ability (24.15%-67.47%), and the relative content of resistant starch (6.48%-27.47%) of the bread increased significantly with the increase of SPL powder. In conclusion, the addition of SPL powder can improve the antioxidant and anti-digestive properties of bread, which provides a reference for the application of SPL in bread-based baked foods.

Cite this article

DONG Xiaolin , MA Liping , BIAN Xuejie , JIAO Kunpeng , YANG Haokun , WANG Chengyuan . Effect of sweet potato leaf powder addition on bread quality, antioxidant properties, and starch digestibility[J]. Food and Fermentation Industries, 2024 , 50(1) : 196 -203 . DOI: 10.13995/j.cnki.11-1802/ts.033380

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