# Discriminant Analysis of the Geographical Origin of Asian Red Pepper Powders Using Second-Derivative FT-IR Spectroscopy

> Research article (Foods, 2021) · cited 12× · AI/ML

**Wikidata**: [openalex:W3160288675](https://www.wikidata.org/wiki/openalex:W3160288675)  
**Source**: https://4ort.xyz/entity/discriminant-analysis-of-the-geographical-origin-of-asian-red-pepper-powders-using-second-derivative-ft-ir-spectroscopy