Table 8.1 Chemical composition and other constituents which are present in various parts of the
B. nigra plant (AII and BII indicates protein fractions)
Chemical composition/
constituents
Part of
the plant Amount present
Reference
Carbohydrates –
Seed
0.74 w/w of seed weight
MacKenzie and
Blakely (1972)
Sucrose
74.7 mol/g and 2.6 w/w of
seed weight
Andersen et al.
(2005)
Raffinose
9.0 mol/g
Stachyose
19.4 mol/g
Verbascose
ND
Ajugose
ND
–
Leaf
5.56 g/100 g
Saha et al. (2015)
Proteins
(amino acids)
Lysine
Seed
0.27 mol/g
AII protein
0.57 mol/g
BII protein
MacKenzie and
Blakely (1972)
Histidine
0.15 mol/g
AII protein
0.47 mol/g
BII protein
Ammonia
2.06 mol/g
AII protein
1.42 mol/g
BII protein
Arginine
0.43 mol/g
AII protein
0.40 mol/g
BII protein
Aspartic acid
0.88 mol/g
AII protein
0.18 mol/g
BII protein
Threonine
0.38 mol/g
AII protein
0.26 mol/g
BII protein
Serine
0.52 mol/g
AII protein
0.39 mol/g
BII protein
Glutamic acid
1.22 mol/g
AII protein
1.44 mol/g
BII protein
Proline
0.78 mol/g
AII protein
1.64 mol/g
BII protein
Glycine
1.01 mol/g
AII protein
0.56 mol/g
BII protein
Alanine
0.63 mol/g
AII protein
0.52 mol/g
BII protein
Valine
0.54 mol/g
AII protein
0.55 mol/g
BII protein
Isoleucine
0.43 mol/g
AII protein
0.38 mol/g
BII protein
Leucine
0.79 mol/g
AII protein
0.79 mol/g
BII protein
Tyrosine
0.16 mol/g
AII protein
0.06 mol/g
BII protein
Phenylalanine
0.33 mol/g
AII protein
0.23 mol/g
BII protein
Crude protein –
Leaf
4.03 g/100 g
Saha et al. (2015)
Lipids
–
Seed
36.5 w/w of seed weight
MacKenzie and
Blakely (1972)
–
Leaf
4.19 g/100 g
Saha et al. (2015)
194
H. K. S. De Zoysa and V. Y. Waisundara