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. 2013 Feb 21;51(12):4126–4131. doi: 10.1007/s13197-013-0932-z

Table 2.

Quality characteristics of lycopene fortified guava beverage formulations

Parameters Fortified guava beverage formulations1
Guava pulp (g) : Tomato puree (g)
Pink guava pulp Tomato puree A (20:0) B (18:2) C (16:4) D (14:6) E (12:8)
Total soluble solids (°Brix) 9.1 ± 0.10 12 ± 0.10 12.1a 12.2a 12.1a 12.2a 12.1a
pH 4.1 ± 0.12 3.5 ± 0.10 3.1a 3.1a 3.1a 3.1a 3.1a
Acidity (g/100 g) 0.40 ± 0.01 0.46 ± 0.01 0.29 ± 0.01a 0.28 ± 0.01a 0.3 ± 0.01b 0.31 ± 0.01b 0.27 ± 0.01a
Reducing sugars (g/100 g) 6.2 ± 0.30 6.3 ± 0.30 4.4 ± 0.08a 4.5 ± 0.06a 4.6 ± 0.07b 4.8 ± 0.07c 5.0 ± 0.09d
Total sugars (g/100 g) 7.7 ± 0.30 7.4 ± 0.30 11.6 ± 0.08b 11.5 ± 0.07a 11.8 ± 0.08b 11.4 ± 0.08a 11.3 ± 0.10a
Ascorbic acid (mg/100 g) 96.4 ± 2.10 18.75 ± 1.50 19.58 ± 0.15c 18.09 ± 0.17c 15.01 ± 0.13b 12.75 ± 0.15a 10.67 ± 0.12a
Lycopene (μg/100 g) 6900 ± 80 15500 ± 85 760 ± 15a 1400 ± 18b 1850 ± 20c 1880 ± 20c 2010 ± 25d
Hunter colour Values2
 L 50.6 ± 0.42 ND 32.7 ± 0.05b 32 ± 0.03b 30.1 ± 0.02a 30 ± 0.05a 29.3 ± 0.02a
 a 33.3 ± 0.91 ND 6.9 ± 0.02a 7.1 ± 0.02a 8.2 ± 0.04b 8.6 ± 0.03b 9.2 ± 0.04b
 b 17.6 ± 0.57 ND 6.2 ± 0.05a 7 ± 0.04a 8. ± 0.04b 9.7 ± 0.05c 10.1 ± 0.04c
 a/b 1.89 ND 1.12a 1.01a 1.01a 0.89a 0.90a
Sensory quality2
 Colour ND ND 7.2 ± 0.04c 7.5 ± 0.05c 7.8 ± 0.05b 8.3 ± 0.04a 8.2 ± 0.05a
 Flavour ND ND 8.5 ± 0.05a 8.5 ± 0.04a 8.3 ± 0.05a 8.5 ± 0.03a 7.2 ± 0.04b
 Taste ND ND 8.2 ± 0.03b 8.3 ± 0.05a 8.4 ± 0.04a 8.5 ± 0.05a 6.8 ± 0.05c
 Overall Quality ND ND 8.2 ± 0.04b 8.2 ± 0.05b 8.4 ± 0.05a 8.5 ± 0.04a 6.8 ± 0.05c

Mean ± S.D (n = 3); 1 g of pink guava pulp and tomato puree used for the preparation of 100 g of beverage, Means in the rows with the same superscript are not significantly different (p 0.05) 2Mean ± S.D (n = 10) ; L = Lightness ; a = Redness ; b = Yellowness ; a/b = ratio of redness and yellowness ; ND = Not Done ; A,B,C,D,E are different ratio of guava and tomato puree