Research Article

High-Throughput Screening of Sensory and Nutritional Characteristics for Cultivar Selection in Commercial Hydroponic Greenhouse Crop Production

Table 11

LS mean values1 of organic acids (mg/100 g DW) of hydroponically grown (GH) and store-bought (SB) cherry tomato, beefsteak tomato, cucumber, arugula, and bibb lettuce evaluated using high pressure liquid chromatography (HPLC).

CropsVarietiesAscorbic acidMalic acidCitric acidFumaric acid

Cherry tomato
GHApero108.1525.482.040.14
GHApero-6317.525.305.600.24
GHFavorita85.0111.934.100.16
GHFavorita-644.944.452.010.13
GHJuanita81.7418.994.820.19
GHJuanita-6241.303.211.600.15
SBJardino82.8237.444.200.24
SBCherries119.2958.921.590.09
SBFruiterie84.2832.980.500.16

Mean129.4522.082.970.17

Beefsteak tomato
GHArbason117.724.332.590.26
GHCaramba125.166.382.710.26
GHGeronimo46.46109.650.090.16
GHTrust178.784.111.040.21
SBKaliroy497.976.343.540.10
SBBionatureL306.2310.143.920.18
SBBionatureP119.001.212.100.08

Mean198.7620.312.290.18

Cucumber
GHDiva55.4185.4314.150.50
GHDiva-34.92102.2716.220.02
GHDiva-687.5019.674.720.14
SBCool Cukes20.32104.4618.110.30
SBLebanese43.1893.0411.040.34
SBMini Cucumber15.60108.317.670.01

Mean37.8285.5311.980.22

Arugula
GHAstro87.0767.201.210.06
GHAstro-656.91183.180.150.01
SBADO31.4512.181.210.02
SBBW112.974.810.250.004
SBPRO80.2182.890.080.14

Mean73.7270.050.360.05

Bibb lettuce
GHRexMT065.72221.800.040.02
GHRexMT0-685.29814.060.080.06
SBADO54.301028.700.110.12
SBIGA63.381323.560.140.07

Mean67.17847.030.090.07

LS means were compared using Scheffe’s Multiple Comparison Test. Small case superscripts within species and large case superscripts between species not sharing the same letter are significantly different (). Produce (based on availability) was fridge-stored (4°C) for 3 and/or 6 days.