Table 1.

Size parameters of different beans

	Measured parameters		Zolfino	Borlotto	Cannellino	Corona
1	Weight (g)a		0.34±0.01	0.58±0.02	0.72±0.02	2.40±0.12
2	Weight of tegument (g)b		0.021±0.002	0.044±0.008	0.050±0.006	0.382±0.03
3	Tegument w/total w (w/w %)		6.18	7.59	6.94	15.91
4	Volume (cm3)c		0.27±0.02	0.47±0.04	0.55±0.02	2.58±0.04
5	Length (cm)		1.04±0.13	1.39±0.08	1.63±0.08	2.77±0.13
6	Minor section (thickness) (cm)		0.64±0.05	0.67±0.05	0.73±0.04	0.98±0.10
7	Major section (width) (cm)		0.71±0.08	0.89±0.06	0.82±0.04	1.70±0.09
8	Equatorial surface by weight (cm2)		0.65±0.13	0.98±0.13	1.12±0,14	3.48±0.40
9	Equatorial surface by Klonkd (cm2)		0.55±0.08	0.91±0.10	0.97±0.11	3.44±0.45
10	Perimeter by Klonkd (cm)		3.35±0.26	4.39±0.30	4.70±0.22	8.60±0.63
11	Tegument thickness	By calipere	79±34	160±49	112±59	270±98
12		By image analysis	93±8	147±14	133±10	312±21
13		Density (g/cm3)	1.26±0.1	1.23±0.11	1.31± 0.06	0.93±0.05
	Calculated parameters
14	Surface (cm2)	Method Ad	2.1	3.2	3.7	10.8
15		Method Bd	2.0	3.3	3.5	11.7
16		A, B average	2.0	3.2	3.6	11.3
17	Surface/volume (cm−1)		7.7	6.9	6.5	4.4
18	Tegument weight/surface (g/cm2)		0.010	0.013	0.014	0.034
19	Thickness (µm)	Referred to Zolfino	93	121	130	316
20		Referred to Corona	92	120	128	312

^a20 independent measurements of groups of 30 beans.

^b3 independent measurements of groups of 10 beans.

^c10 independent measurements of groups of 10 beans.

^dSee Methods.

^eAt least 15 independent measurements.