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Copyright: ©Author(s) 2026.
World J Diabetes. Jun 15, 2026; 17(6): 118650
Published online Jun 15, 2026. doi: 10.4239/wjd.118650
Table 1 The content of 8 ingredients of Tangwang formula were detected by high-performance liquid chromatography (mean ± SD, n = 3)
Number
Compound name
Standard curve
Content (μg/100 mg)
Source
1P-Coumaric acid (CAS No. 501-98-4)y = 21.85x - 5.99, r = 0.9994717.03 ± 1.34Lycium barbarum L. (Lycii Fructus), TAL
2Calycosin-7-O-β-D-glucoside (CAS No. 20633-67-4)y = 18.38x - 16.94, r = 0.999148.10 ± 3.28AMB
3Isorhamnetin-3-O-neohespeidoside (CAS No. 55033-90-4)y = 12.71x + 6.18, r = 0.9998319.96 ± 0.97EBK, TAL
4Ononin (CAS No. 486-62-4)y = 22.37x - 14.94, r = 0.9998720.84 ± 1.29AMB, CCP
5Calycosin (CAS No. 20575-57-9)y = 25.05x + 31.40, r = 0.999911.71 ± 0.64AMB
6Cinnamic acid (CAS No. 140-10-3)y = 71.62x - 19.12, r = 0.9998820.92 ± 1.41CCP
7Naringenin (CAS No. 480-41-1)y = 14.49x + 15.74, r = 0.999636.48 ± 0.33EBK, TAL, CCP
8Formononetin (CAS No. 485-72-3)y = 32.87x - 37.86, r = 0.999924.81 ± 0.42AMB, CCP


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