AI Article Synopsis

  • * The structurally characterized SDF from citric acid extraction is more porous and demonstrates superior water and oil-holding capacities.
  • * Animal studies reveal that this SDF not only aids in faster bowel movements but also improves intestinal health, suggesting its potential as a health food ingredient for treating constipation.

Article Abstract

Background/objectives: Sunflower receptacles are the main by-product of the processing of L.

Methods: In this study, several extraction methods of soluble dietary fiber (SDF) from sunflower receptacles were evaluated, and then, the physicochemical structure and functional properties of these SDFs were examined. Finally, a mouse constipation model was established to explore its therapeutic potential for constipation.

Results: The results showed that the SDF yield of citric acid extraction and enzyme extraction was better than that of hot-water extraction. Structural characterization showed that the three SDF functional groups were similar and amorphous, while the surface distribution of the SDF obtained by the citric acid extraction method (ASDF) had more fine pores. Physicochemical analysis showed that ASDF had the best water-holding capacity, oil-holding capacity, and expansion force. Animal experiments showed that the first black stool defecation time of the model group changed significantly ( < 0.001), indicating that the model was successful. Compared with the model group, the middle- and high-dose groups reduced the first black stool defecation time ( < 0.05 or < 0.01) and increased the fecal water content ( < 0.05). The high-dose group significantly promoted the intestinal peristalsis of mice ( < 0.05). From hematoxylin-eosin (H&E) staining, it can be seen that the three dose groups of ASDF can improve the damage of mouse colon tissue induced by loperamide hydrochloride to a certain extent.

Conclusions: Our results show that ASDF has good physical and chemical properties and laxative properties and has broad development space in the field of health food.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11547490PMC
http://dx.doi.org/10.3390/nu16213650DOI Listing

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