Relationship Between Sugar Profile and D-Pinitol Content of Pods of Wild and Cultivated Types of Carob Bean (Ceratonia siliqua L.)

Figures & data

Table 1  Some descriptive properties of carob pods

	Cultivated (n = 32)			Wild (n = 38)
Features	Min.	Max.	Mean	Min.	Max.	Mean
pH value	5.14 ± 0.16	5.70 ± 0.05	5.37 ± 0.14	5.08 ± 0.13	5.85 ± 0.12	5.44 ± 0.15
Soluble solids (Brix)	58.00 ± 5.06	82.50 ± 5.17	67.32 ± 5.80	51.00 ± 2.75	83.50 ± 9.92	62.05 ± 6.92
Total dry matter (g/100 g)	86.62 ± 0.34	97.93 ± 2.10	91.87 ± 2.10	88.60 ± 2.23	98.07 ± 3.83	93.48 ± 1.98
Total acidity (g/100 g)	0.47 ± 0.04	0.98 ± 0.11	0.77 ± 0.12	0.40 ± 0.08	1.09 ± 0.13	0.73 ± 0.18
Total fiber (%)	2.04 ± 0.18	3.65 ± 0.47	2.88 ± 0.40	2.31 ± 0.63	5.21 ± 0.32	3.45 ± 0.70
All values shown are means ± standard deviations.

Table 2  D-Pinitol and sugar concentrations of carob pods

	Cultivated (n = 32)			Wild (n = 38)
Features	Min.	Max.	Mean	Min.	Max.	Mean
D-Pinitol (g/kg)	19.18 ± 0.03	61.88 ± 1.28	37.77 ± 0.03	10.14 ± 0.01	84.59 ± 1.04	42.59 ± 1.09
Sucrose (g/kg)	348.78 ± 19.15	518.46 ± 44.66	437.52 ± 40.82	171.52 ± 33.48	464.87 ± 43.35	354.94 ± 64.46
Fructose (g/kg)	52.01 ± 8.75	124.59 ± 15.51	92.03 ± 16.51	64.12 ± 20.56	146.51 ± 12.59	97.81 ± 14.17
Glucose (g/kg)	35.00 ± 3.76	80.57 ± 4.05	57.28 ± 9.70	18.54 ± 8.73	101.79 ± 6.13	64.46 ± 5.13
All values shown are means ± standard deviations.

Figure 1 D-Pinitol concentrations of cultivated and wild types of carob pods.

Figure 2 Correlations between sugar and D-pinitol concentrations of cultivated type carob pods.

Figure 3 Correlations between sugar and D-pinitol concentrations of wild type carob pods.