From:  Edible canna starch: a comprehensive review of its characteristics related to food uses

 Relationship between Canna indica starch features and technological properties.

Starch featureRelated technological/functional property
High organic phosphorus content (371–420 ppm)Paste clarity and consistency: High phosphorus is directly linked to the production of exceptionally transparent pastes and high initial consistency.
Exceptional granule size (very large, typically 10 to 100–140 µm)High peak viscosity: Larger granules generally correlate with higher peak viscosity and swelling power.
High amylose content (reported ranges: 13.7% to ~40%)Strong retrogradation: High amylose levels drive the rapid reassociation of starch chains, creating firm, elastic gels. Noodle quality: essential for providing the high tensile strength and “bite” required for high-quality transparent noodles.
B-type crystalline patternEnzyme resistance: low enzymatic susceptibility, resulting in high resistant starch content.