Grape seed tannin; Full MALDI-TOF spectrum; Ion gate on; 441 scans per spectrum; Linear positive mode; ; Peak list; m/z 700 to 1000; 651.38; 655.78; 683.11; 691.49; 812.97; 826.56; 829.84; 845.78; 846.77;(main) 847.8; 849.77; 854.03; 983.36; m/z 1000 to 1500; 1041.02; 1083.08; 1103.76; 1179.39; 1243.63; 1298.86; 1313.2; 1336.55; 1426.31; 1457.58; 1466; m/z 1500 to 2000; 1556.05; 1577.31; 1669.01; 1710.28; 1745.44; 1831.42; 1863.06; 1907.33; 1953.09; m/z > 2000; 2011.95; 2109.35; 2115.8; 2189.18; 2244.45; 2270.29; 2347.21; 2367.39; 2406.47; 2417.88; 2441.87; 2485.36;