Research Article

Toxicological Assessments of a Proprietary Blend of Punica granatum Fruit Rind and Theobroma cacao Seed Extracts: Acute, Subchronic, and Genetic Toxicity Studies

Table 12

Cytotoxicity and mutagenicity of LN18178 in mouse lymphoma cells, L5178Y TK+/−

Experiment durationConcentration (μg/mL)Metabolic activation systemRSG (%)RCE (%)RTG (%)Cloning efficiency (CEV)Cloning efficiency (CEM)Mutant frequency (10−6 cells)% SC

3 hr0 (NC)118.2090.56107.051.0072.797324
+116.2287.16101.300.97111.9611816
0 (VC)100.00100.00100.001.1095.898717
+100.00100.00100.001.11108.729815
62.580.6196.7377.971.06118.5911120
+79.1993.9674.411.0594.389020
12571.6596.5269.161.0697.459226
+56.5088.0449.740.98102.5310421
25039.7193.2537.031.03104.0810512
+29.5986.1625.500.96123.4412923
50019.1691.9817.621.01125.9112511
+12.55100.8212.661.1277.417119
0.1 (NQO)50.1777.5438.900.85402.4247257
5 (CPC)+30.3781.5624.770.91500.4556949

24 hr0 (NC)115.9187.34101.230.9075.78869
0 (VC)100.00100.00100.001.03102.439921
15.6368.75106.1472.971.1083.527615
31.2547.31102.9448.701.06139.3213120
62.5031.99100.1332.031.03126.8212314
125.0015.5898.4915.341.0299.069822
0.1 (NQO)31.7779.5825.280.81681.6983165

NC, negative control (water); VC, vehicle control (1%, DMSO); NQO, 4-nitroquinoline-1-oxide; CPC, cyclophosphamide; SC, small colony; RSG, relative suspension growth; RCE, relative cloning efficiency; RTG, relative total growth; CEV, cloning efficiency (viable count) plates, CEM, cloning efficiency mutant selection plates.