TWI612304B

• Main Authors: WANG, CHUNG HUANG, HUANG, PEI LING, CHU, YAN HWA, LEE, YU TSUNG
• Format: Patent
• Language: Chinese
• Published: 21.01.2018
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

A method for determining whether grease, such as lard, deteriorates. The method comprises the steps of: (a) extracting a grease sample to be tested to obtain an extract; (b) analyzing the extract for a selected set of mass-to-charge ratios using liquid chromatography followed by mass spectrometry, a...