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Acorn starches granules presented a round and oval shape, consisting of medium\/small granules, with a mean granule size ranging between 9 and 13\u2009\u00b5m. Isolated acorn starches appear as light grayish-brown in naked eye, with high values of <jats:italic>L<\/jats:italic>* for starches isolated by the ENZ method, and QR starches were duller than QS. No differences were observed for all the samples in FTIR spectra results. Acorn starches showed a C-type pattern, with a relative crystallinity between 43.1 and 46.6%. The <jats:sup>13<\/jats:sup>C CP\/MAS NMR spectra are different for the used isolation methods but are similar for both acorn species. However, acorn-isolated starches presented a predominant A-type allomorph packing type, and the A3S starches showed a higher degree of crystalline material. Those differences in the structure of acorn starches would be helpful to better understand the relationships among structure and functional properties for a possible potential industrial application of chestnut starches.<\/jats:p>","DOI":"10.1515\/opag-2021-0214","type":"journal-article","created":{"date-parts":[[2021,2,14]],"date-time":"2021-02-14T23:11:42Z","timestamp":1613344302000},"page":"37-46","source":"Crossref","is-referenced-by-count":13,"title":["Morphology and structure of acorn starches isolated by enzymatic and alkaline methods"],"prefix":"10.1515","volume":"6","author":[{"given":"Paula M. 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