Agriculture Reference
In-Depth Information
Buckwheat
Quinoa
Amaranths
Production
Origin of utilization a
Asia, highlands
Andes mountains
South America
Russia, China, USA,
Japan, EU b
Main producers
Peru, Bolivia, Argentina c USA, Peru, Bolivia b
400-1200 b ,
640-920 c
Yield (kg grain ha -1 ) - approximate
800-1000 b
400 b -1500 a
minimum, maximum
500-2200 b
435-6591 b
10 d -4000, 5000 b
Requirements
105-160 b , 150 f
90 g,h -100 h
Growing season (days)
100
120-240 e , 140 f
Min. germination temperature (°C)
7 f
5 f -7 b
12, 15 i
Frost resistance to (°C)
-1 f , (-1.3 to -2.9) j
-3 do -15 k
0
Temperature stop assimilation (°C)
10
8
15
Transpiration coefficient (kg water kg -1 of dry
plant matter)
500-600 b
400
200-333 k
Sources: a [35], b [36], c [37], d [38], f [39], g [40], h [41], i [42], k [43], j [44], k [45]
Table 2. Pseudocereals production characteristics and environmental requirements
less than 50 g of grain per adults' daily need, it is also ideal reference of essential amino acid
pattern for children according to FAO/WHO/UNO standards (except for valine); amaranths
are a substitute for meat meals, especially due to rich content of methionine, cisteine and
arginine [45, 36]. For those mixtures with cereals supports balanced meals in amino acid
composition, especially for vegetarians.
Buckwheat
Amaranth
Quinoa
Seed
Groat b
Dark flour a
White flour a
Variation Average f (variation)
Protein
11-15,12.3 a
16.8
14.1
6.4
13.3 c -17.9 d 14.7 (9.6-22.1)
Starch
73.3 a
67.8
68.6
79.5
62 g
58.2 (46.9-77.4)
Fat
2.3 a
11
3.5
1.2
5.1-7.7
7.2 (1.8-8.2)
Fibre
10.9 a
0.6
8.3
0.5
8 g
6.4 (1.1-13.4)
Ash
2.1 a
2.2
1.8
0.9
3 g
3.4 (2.4-9.7)
Sources: a [47], b [48], c [46], d [49], f average data from Fleming and Galwey [50], g [39].
Table 3. Nutritional composition of pseudocereals (% of dry matter)
 
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