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VIEWS & OPINIONS: Recovery of Resistant Starch by a Classical and a New Assay for Dietary Fiber¹

¹Statement of conflict of interest: C. C. Maningat is Vice President of Applications Technology and Technical Services and S. Bassi is a former executive of MGP Ingredients, Inc., the manufacturer of Fibersym and FiberRite, and P. A. Seib is a consultant for MGP Ingredients, Inc. ²MGP Ingredients, Inc., Atchison, KS 66002. ³Corresponding author. Phone: (913) 360-5419. Fax: (913) 360-5619. E-mail: ody.maningat@mgpingredients.com ⁴Kansas State University, Manhattan, KS 66506. ⁵Bassi Associates LLC, Overland Park, KS 66062.

In vitro assays of dietary fiber, which include enzymatic removal of starch and protein from a sample, give variable recovery of the resistant starch fraction, depending on the class of resistant starch and its resilience to different amylolytic conditions. This paper summarizes our views and opinions on the classical and the new assay for dietary fiber.