NUTRITIVE VALUE OF LEAF PROTEIN CONCENTRATES PREPARED FROM <i>Amaranthus</i> SPECIES

Cheeke, P. R.; Carlsson, R.; Kohler, G. O.

doi:10.4141/cjas81-026

Cited by 23 publications

(14 citation statements)

References 10 publications

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“…The toxic substance(s) in amaranth have not yet been conclusively identified. Cheeke and Bronson (1980) and Cheeke et al (1981) suggest that saponins and phenolic compounds in the grain were the likely cause of the growth depression.…”

Section: Resultsmentioning

confidence: 96%

The Utilization of Grain Amaranth by Broiler Chickens

Waldroup¹,

Hellwig²,

Longer³

et al. 1985

Poultry Science

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Seed from two species of amaranth (Amaranthus cruentus and A. hypochondriacus) were incorporated into diets at 20 and 40% in raw and autoclaved form. Weight gains of chickens fed diets with 20% amaranth did not differ significantly from that of chickens fed a corn-soybean meal control diet, whether grain was fed raw or autoclaved. Feed intake was reduced slightly at this level of inclusion. Weight gains and feed intake of chickens fed diets containing 40% amaranth were significantly reduced. Reduction in performance was more severe in chickens fed hypochondriacus species and was partially alleviated by autoclaving. Results indicate that amaranth grain may be utilized by broiler chickens, but further work is necessary to determine means to overcome growth depression associated with higher usage levels and to assess possible species differences. (

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Section: Resultsmentioning

confidence: 96%

The Utilization of Grain Amaranth by Broiler Chickens

Waldroup¹,

Hellwig²,

Longer³

et al. 1985

Poultry Science

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“…Table 2 compares rat growth and feed intake on diets containing different Amaranthus leaf protein concentfates with those containing alfalfa. The poor growth rate of rats fed Amaranthus leaf protein concentrates (Table 2; Cheeke, Carlsson & Kohler, 1981) could be attributed to phenolic content, saponins, oxalates and high ash content. A , 1980).…”

mentioning

confidence: 99%

Amaranths–an underutilized resource

Singhal

Kulkarni

1988

Int J of Food Sci Tech

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“…Concentrates extracted from the thin leaves of winged bean have been found to be of high nutritional value. Cheeke et al (1980) compared winged bean leaf concentrate with concentrates extracted from leaves of seven common tropical legume species and found that the winged bean concentrate had a protein efficiency ratio when fed to rats, second in value only to Clitoria ternata L. Kailasapathy and Sandrasegaram (1983) reported that concentrates extracted from winged bean leaves contained on a dry weight basis 59.7% crude protein, 5.13% crude fibre, 10.41% ash and 0.71% crude fat. The leaf concentrate contained a modest level of trypsin inhibitor activity that could be deactivated by heat treatment for twenty minutes.…”

Section: A Benign Nitrogen-rich Cover Cropmentioning

confidence: 99%

Review: Winged bean (Psophocarpus tetragonolobus) cropping systems

Eagleton¹

2020

Biodiversitas

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Abstract. Eagleton GE. 2020. Review: Winged bean (Psophocarpus tetragonolobus) cropping systems. Biodiversitas 21: 5927-5946. Winged bean (Psophocarpus tetragonolobus (L.) DC.) is a rambling, nitrogen-rich, leguminous crop of the Old-World tropics. This review of winged bean (WB) within cropping systems of Southeast Asia and Melanesia revisited four traditional roles that the crop has played: as a minor courtyard vegetable of villages and suburbs throughout the region; as a popular tuber crop in the irrigated plains of Tada-U township in Central Myanmar; as a companion crop in the mixed garden fields of Wamena in Indonesian New Guinea; and as a niche tuber crop in rotation with sweet potato near Goroka in Papua New Guinea (PNG). Drawing upon such traditions, researchers since the 1970s have identified potential new roles for winged bean. In Malaysia, vegetable pod yields up to 35 t ha-1 over a 25-week growing period have been obtained from solidly trellised, branching cultivars. Ratooning the crop through a further two cycles covers the cost of the trellising. Tubers from un-trellised field crops in Myanmar, and of staked, pruned garden crops in highland PNG have been estimated to produce crude protein yields of at least 300 kg ha-1 and 600 kg ha-1, respectively. Synergies between the gene-pools and cultural traditions would be expected to expand the range, raise the yield and stabilize the quality of tuber crop production. Researchers in Sri Lanka intercropped maize with winged bean. At optimal plant densities, they recorded a corn cob yield of 5 t ha-1 together with a cumulative winged bean fresh pod yield of 27 t ha-1. In Kentucky (380N), the combination of maize with winged bean to produce silage resulted in 11-18% greater biomass with 39-67% greater nitrogen per hectare than maize monocrop control plots. Branching winged bean cultivars have significant potential for benign, high-nitrogen cover and forage crops. Promiscuous nodulation and the development of storage root-systems compensate for slow initial top growth which then accelerates to produce a substantial yield of highly digestible leaf protein and vitamins. Hard-seededness and daylength-sensitive phenology are significant, surmountable, barriers to an expanded role for winged beans.

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NUTRITIVE VALUE OF LEAF PROTEIN CONCENTRATES PREPARED FROM Amaranthus SPECIES

Abstract: Amaranthus . Their proximate composition and phenolic content were determined. In vitro nitrogen digestibility was low

Cited by 23 publications

References 10 publications

The Utilization of Grain Amaranth by Broiler Chickens

The Utilization of Grain Amaranth by Broiler Chickens

Amaranths–an underutilized resource

Review: Winged bean (Psophocarpus tetragonolobus) cropping systems

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