From:  Acid-hydrolyzed nanocrystalline starch excipients for direct-compression tableting: a systematic review

 Excluded studies after full text review and reasons for exclusion.

Article titleYear of publicationReason for exclusionReference
Effect of ultrasonic treatments on nanoparticle preparation of acid-hydrolyzed waxy maize starch2013Lower crystallinity[10]
Starch nanocrystal stabilized Pickering emulsion polymerization for nanocomposites with improved performance2014Crystallinity of Starch nanocrystal (SNC) not reported[16]
Starch nanocrystals based hydrogel: construction, characterizations and transdermal application2016Comparison related to crystallinity not reported with native starch[21]
Native and modified starch nano-crystals loaded with doxorubicin mediated apoptosis in human breast cancer MCF7 cells2024No X-ray diffraction (XRD) based or quantitative crystallinity assessment was provided[22]
Native and modified Digitaria exilis starch nanoparticles as a carrier system for the controlled release of naproxen2019Qualitative structural changes were reported, but no quantitative XRD crystallinity comparison with native starch was provided[24]
First-line anti-tubercutilosis drugs-loaded starch nanocrystals for combating the threat of M. tuberculosis H37Rv strain2020Crystallinity of SNC not reported[25]
Acetylated starch nanocrystals: preparation and antitumor drug delivery study2016Nanostarch structured modified[23]
Effect of the mode of incorporation on the disintegrant properties of acid modified water and white yam starches2012Crystallinity of SNC not reported[29]
Design of bilayer tablets using modified Dioscorea starches as novel excipients for immediate and sustained release of aceclofenac sodium2015The modified Dioscorea starches were not identified or sufficiently characterized as acid-hydrolyzed nanocrystalline starch[27]
Use of cassava starch nanocrystals to make a robust rupturable pulsatile release pellet2018Crystallinity of SNC not reported[28]
Evidence of micro- and nanoscaled particles during starch nanocrystals preparation and their isolation2011Crystallinity of SNC not reported[30]
Evaluation of rheological behavior of starch nanocrystals by acid hydrolysis and starch nanoparticles by self-assembly: a comparative study2016Insufficient crystallinity characterization to confirm eligibility according to the review criteria[31]
Characterization of Starch Nanocrystals from Lablab purpureus (L.) Sweet and Its Application as a Stabilizer in Pickering Emulsions2023Crystallinity of SNC not reported[18]
Surface chemical compositions and dispersity of starch nanocrystals formed by sulfuric and hydrochloric acid hydrolysis2014Crystallinity of SNC not reported[32]
Characterization of nanoparticles prepared by acid hydrolysis of various starches2012Lower crystallinity[9]
Characterization of acid hydrolysis of granular potato starch under induced electric field2017Lower crystallinity[33]
Enhancement of the gut-retention time of resveratrol using waxy maize starch nanocrystal-stabilized and chitosan-coated Pickering emulsions2021Crystallinity of SNC not reported[34]