tp
2.The release rates of POC, TN and TP were in the sequence of POC > TN > TP.
4.Results The sensitivity of TP/HBsAg combo test strip was 92% to TP,and 80% to HBsAg, the specificity to both TP and HBsAg was 100%.
9.In a preservation experiment, TP (tea polyphenols), TP + CA (citric acid), TP + MA (malic acid) and TP + AA (ascorbic acid) were added to rape salad oil before AV (acid value) and POV (peroxidation value) in it were determined.

