What question did this study set out to answer?

The aim is to evaluate the biodegradability of biopolymers made from cassava starch and cocoa husk.

Evaluation of the Biodegradability of Plastic Polymers Made From Residual Cocoa Husk ( Theobroma cacao L.) and Cassava Starch ( Manihot esculenta ), Lima, Peru

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Randomized trial evaluates biodegradability of biopolymers in controlled composting, suggesting material composition influences breakdown speed.

The aim is to evaluate the biodegradability of biopolymers made from cassava starch and cocoa husk.
Biopolymers produced through thermocompression with varying cocoa husk content.
Mechanical properties assessed via tensile tests (ASTM D‐638).
Biodegradability measured using a respirometric system under controlled composting conditions (ASTM D5338‐15).
Maximum tensile strength of 1.95 MPa and elastic modulus of 51.88 MPa achieved with 10% cocoa husk content.
T2 formulation reached 18.43% biodegradation after 42 days.
Composting accelerates degradation compared to soil burial, influenced by material composition.

Ricra et al. (2026) studied this question.

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Randomized trial evaluates biodegradability of biopolymers in controlled composting, suggesting material composition influences breakdown speed.