Excluded studies after full text review and reasons for exclusion.
| Article title | Year of publication | Reason for exclusion | Reference |
|---|---|---|---|
| Effect of ultrasonic treatments on nanoparticle preparation of acid-hydrolyzed waxy maize starch | 2013 | Lower crystallinity | [10] |
| Starch nanocrystal stabilized Pickering emulsion polymerization for nanocomposites with improved performance | 2014 | Crystallinity of Starch nanocrystal (SNC) not reported | [16] |
| Starch nanocrystals based hydrogel: construction, characterizations and transdermal application | 2016 | Comparison 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 cells | 2024 | No 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 naproxen | 2019 | Qualitative 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 strain | 2020 | Crystallinity of SNC not reported | [25] |
| Acetylated starch nanocrystals: preparation and antitumor drug delivery study | 2016 | Nanostarch structured modified | [23] |
| Effect of the mode of incorporation on the disintegrant properties of acid modified water and white yam starches | 2012 | Crystallinity of SNC not reported | [29] |
| Design of bilayer tablets using modified Dioscorea starches as novel excipients for immediate and sustained release of aceclofenac sodium | 2015 | The 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 pellet | 2018 | Crystallinity of SNC not reported | [28] |
| Evidence of micro- and nanoscaled particles during starch nanocrystals preparation and their isolation | 2011 | Crystallinity of SNC not reported | [30] |
| Evaluation of rheological behavior of starch nanocrystals by acid hydrolysis and starch nanoparticles by self-assembly: a comparative study | 2016 | Insufficient 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 Emulsions | 2023 | Crystallinity of SNC not reported | [18] |
| Surface chemical compositions and dispersity of starch nanocrystals formed by sulfuric and hydrochloric acid hydrolysis | 2014 | Crystallinity of SNC not reported | [32] |
| Characterization of nanoparticles prepared by acid hydrolysis of various starches | 2012 | Lower crystallinity | [9] |
| Characterization of acid hydrolysis of granular potato starch under induced electric field | 2017 | Lower crystallinity | [33] |
| Enhancement of the gut-retention time of resveratrol using waxy maize starch nanocrystal-stabilized and chitosan-coated Pickering emulsions | 2021 | Crystallinity of SNC not reported | [34] |