Nutritional Freshwater Life
10
Habitat: Freshwater and terrestrial
areas.
Description: Cells of this species are
1.5–13 µm wide and 2–15 µm long.
Chloroplast is more lobed with age.
Margins are irregularly undulate and
occasionally incised. Pyrenoid is associated with numerous starch grains.
Autospores are ellipsoidal. This species
serves as a food supplement (van
Vuuren et al., 2006).
Nutritional Facts
Proximate Composition (% DM)
Protein
Fiber
Ash
Moisture
22.39–39.91 3.66–5.19 10.10–11.11 8.15–9.45
Source: Data from Mondal et al. (2005).
Amino Acids (g/16 gN)
Isoleucine
4.5
Leucine
9.3
Valine
7.9
Lysine
5.9
Phenylalanine
4.2
Tyrosine
1.7
Methionine
0.6
Cysteine
0.7
Threonine
4.9
Alanine
12.2
Arginine
5.8
Aspartic acid
8.8
Glutamic acid
10.5
Glycine
10.4
Histidine
1.7
Proline
5.0
Serine
5.2
Source: Data from Becker
(1994).
Prasiola japonica Yatabe 1891
Order: Prasiolales
Family: Prasiolaceae
Common name: River nori.
Distribution: Asia: China, Japan
(AlgaeBase).
Habitat: Freshwater  habitat, river
streams.