2024
DOI: 10.21203/rs.3.rs-3927104/v1
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Discrimination of Chinese Huzhu Qingke Liquor by using Ultra-Violet Spectroscopy Combined with Chemometrics

Yuxia Zhao,
Shizhi Zhang,
Cunhua Ma
et al.

Abstract: Qingke liquor, a renowned Tibetan alcoholic beverage derived from hull-less highland barley exclusively cultivated in the Qinghai-Tibetan Plateau, has witnessed a surge in sales. However, the issue of adulteration has emerged as a pressing concern demanding immediate attention. The research focuses on the rapid identification methods of 'Huzhu' brand Qingke liquor, a geographical indications protection product, using UV spectroscopy. Two approaches are proposed: principal component analysis-support vector mach… Show more

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