Goa bean


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Goa bean
Pods of the goa bean (Psophocarpus tetragonolobus)

Pods of the goa bean ( Psophocarpus tetragonolobus )

Systematics
Eurosiden I
Order : Fabales (Fabales)
Family : Legumes (Fabaceae)
Subfamily : Butterflies (Faboideae)
Genre : Psophocarpus
Type : Goa bean
Scientific name
Psophocarpus tetragonolobus
( L. ) DC.
Blossom.

The Goa bean ( Psophocarpus tetragonolobus ), also called wings bean referred to, is a crop plant in the sub-family of papilionaceous (Faboideae) from the family of the Leguminosae (Fabaceae or Leguminosae).

description

The goa bean is a richly branched, left-hand winding, perennial , herbaceous plant . But it is mostly grown as an annual plant . The roots form tubers as storage organs. The leaves are pinnate in three parts. The partial leaves are slightly obliquely egg-shaped, 5 to 14 cm long and 3 to 9 cm wide, pointed, entire or occasionally lobed.

Only occasionally are the flowers solitary, mostly they are axillary on 2 to 10 cm long inflorescence stalks in dense racemose inflorescences . The zygomorphic flower is relatively large with a length of 2 to 5 cm. The crown is yellow-pink or purple in color. The flag is usually upright and 2.5 cm wide.

The legumes are 10 to 20 cm long, along the seams are two wavy wings with a width of about 5 mm. The legumes contain between five and 20, up to a maximum of 40 seeds. The round-oval seeds have a diameter of 7 to 8 mm. The hilum is light to cream in color with a dark border.

Occurrence

Natural occurrences of the goa bean are unknown, their origin is believed to be in Asia , the Mascarene Mountains or Madagascar . This species is widespread in culture.

use

The plant parts are used in a variety of ways, both the young fruits, the ripe seeds and the underground tubers are edible. Fatty acids are extracted from the seeds . 100 grams of dried goa beans contain an average of 3.3 g saturated, 5.8 g monounsaturated and 3.7 g polyunsaturated fatty acids in their 16 g fat portion. The oil from the seeds is used, among other things, to make soap. The seeds have a high nutritional value, which can be compared to the soybean .

100 g dried goa beans contain on average:
energy protein carbohydrates fat Fiber
1,672 kJ (400 kcal ) 33 g 31 g 16 g 5.5 g

 

100 g contain an average of minerals and vitamins:
sodium potassium Calcium magnesium phosphorus iron zinc β-carotene Vitamin E. Vitamin B1 Vitamin B2 Vitamin B6 Folic acid vitamin C
50 mg 1000 mg 530 mg 170 mg 40 mg 14.5 mg 4.6 mg 50 µg 10.0 mg 1.0 mg 0.30 mg 0.40 mg 130 µg 1 mg

Individual evidence

  1. a b c Helmut Heseker, Beate Hesker: The nutritional table 2nd completely revised edition, Neuer Umschau Buchverlag, Neustadt ad Weinstrasse 2012, p. 50.

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Web links

Commons : Goabohne  - album with pictures, videos and audio files