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Chemical fruit composition of Tunisian date palm 'Deglet Nour' collected at maturation from four different oases in Djerid region

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Academic year: 2021

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b a a b 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 b c c a Length (mm) Width (mm) S iz e ( mm) (a) 12 10 8 6 4 2 0 We ig ht ( g)

MCO MPP TCO TMO b a a c Variables (b) b a b b 40 35 30 25 20 15 10 5 0

MCO MPP TCO TMO Variables M ois tu re c on ten t (% )

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b c a d 1.00 0.95 0.90 0.85 0.80 0.75 W ate r ac tiv ity (% )

MCO MPP TCO TMO Variables

Va

lu

es

MCO MPP TCO TMO 12 10 8 6 4 2 0 d d c b b a a c pH Acidity (%) Variables a c b b Variables

MCO MPP TCO TMO 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 A

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3.5 3.0 2.5 2.0 1.5 1.0 0.5 0

MCO MPP TCO TMO Variables To ta l p or te in ( % ) a b c d 18.4 18.2 18.0 17.8 17.6 17.4 17.2 17.0 16.8 To ta l S olu ble S olid s (% ) a b d c Variables

MCO MPP TCO TMO

Va

lu

es

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7 6 5 4 3 2 1 0 a c b d b a b b Va lu es Variables

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88

Hue° Titratable A L* Aw pH MPT (%) Glucose Brix Fibres l Fibres S Width Moisture C Weight Fructose Length 0.75 0.5 0.25 0 -0.25 -0.5 -0.75 -1 -1 -0.75 -0.5 -0.25 0 0.25 0.5 0.75 1 (a) F2 (2 7. 28% ) (b) 15 10 5 0 -5 -10 -15 -20 –15 –10 –5 0 5 10 15 20 F2 (2 7. 28% ) F1 (63.84%) Moisture C% C% MCO L° Fructose Glucose TMO MPT (%) Weight Sucrose Length Brix pH Aw MPP Ash content Fibers S Fibers I Width Hue° TCO Titratable A

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