# To keep or not to keep? Sorting out leftovers from a refrigerator

> Research article (Appetite, 2021) · cited 13× · AI/ML

**Wikidata**: [openalex:W3162515391](https://www.wikidata.org/wiki/openalex:W3162515391)  
**Source**: https://4ort.xyz/entity/to-keep-or-not-to-keep-sorting-out-leftovers-from-a-refrigerator