2018
DOI: 10.5958/0974-181x.2018.00010.0
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Chemical Composition, In Vitro Digestibility and Fatty Acid Profile of Amaranthus caudatus Herbage During its Growth Cycle

Abstract: The aim of this study was to investigate the effects of plant ageing on the chemical composition, gross energy, in vitro true digestibility, neutral detergent fibre digestibility and fatty acid (FA) profile of amaranth. The herbage was harvested at seven maturity stages, namely early-, mid-and late-vegetative, shooting, budding, early flowering and grain fill. The effects of maturity were analysed by polynomial contrasts. The quality of crop decreased with increasing morphological stages. The chemical composit… Show more

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Cited by 12 publications
(13 citation statements)
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“…The A. caudatus showed the least EDDM and EDCP among the other amaranths. The EDDM of A. caudatus ranged from 33.31–34.87% which was lower than the lowest in vitro dry matter digestibility (78.10%) reported by Peiretti et al [ 25 ]. Other than the difference regarding the method for estimating degradability, the A. caudatus in the study of Peiretti et al [ 25 ] was harvested after 90 days, whereas the amaranth forages in this study were harvested after 120 days.…”
Section: Discussioncontrasting
confidence: 56%
See 1 more Smart Citation
“…The A. caudatus showed the least EDDM and EDCP among the other amaranths. The EDDM of A. caudatus ranged from 33.31–34.87% which was lower than the lowest in vitro dry matter digestibility (78.10%) reported by Peiretti et al [ 25 ]. Other than the difference regarding the method for estimating degradability, the A. caudatus in the study of Peiretti et al [ 25 ] was harvested after 90 days, whereas the amaranth forages in this study were harvested after 120 days.…”
Section: Discussioncontrasting
confidence: 56%
“…The EDDM of A. caudatus ranged from 33.31–34.87% which was lower than the lowest in vitro dry matter digestibility (78.10%) reported by Peiretti et al [ 25 ]. Other than the difference regarding the method for estimating degradability, the A. caudatus in the study of Peiretti et al [ 25 ] was harvested after 90 days, whereas the amaranth forages in this study were harvested after 120 days. Accumulation of cell wall contents as the plant advances in maturity dramatically decreases the degradability of plants [ 26 , 27 ].…”
Section: Discussioncontrasting
confidence: 56%
“…The herbage samples were collected in the morning after evaporation of dew and never collected on rainy days. Sampling was performed according to Peiretti et al [25] at seven progressive morphological stages from early vegetative to grain fill stage from May to July 2014. Plants were cut to a 1–2 cm stubble height with edging shears from two replicate 2 m 2 subplots randomly located in 2 × 7 m 2 plots.…”
Section: Methodsmentioning
confidence: 99%
“…In a previous paper [25], we reported the nutritive characteristics of A. caudatus , and in particular, we evaluated the effects of plant aging on the chemical composition, gross energy, in vitro true digestibility, neutral detergent fiber digestibility and fatty acid profile. However, to the best of our knowledge, no research has been conducted to investigate the change of antioxidant activities and phenolic composition of extracts of A. caudatus during plant growth.…”
Section: Introductionmentioning
confidence: 99%
“…Amaranth leaves have a higher moisture content than the grains [ 22 , 32 , 35 ]. These authors stated that high moisture content in vegetables is an indication of freshness, perishability, and low fats [ 22 , 36 ]. As stated by Venskutonis and Kraujalis [ 8 ], Peiretti [ 37 ], amaranth grains have shown to have a higher protein content than other cereal grains with more lysine than soybean.…”
Section: Nutritive Value Of Amaranth Leaves and Grainsmentioning
confidence: 99%