苋菜
生物
食品科学
作文(语言)
动物科学
保健品
化学成分
化学
农学
苋菜
语言学
哲学
有机化学
作者
Tlou Grace Manyelo,Nthabiseng Amenda Sebola,Zahra Mohammed Hassan,J.W. Ng`ambi,William J. Weeks,Monnye Mabelebele
出处
期刊:Molecules
[MDPI AG]
日期:2022-01-19
卷期号:27 (3): 623-623
被引量:10
标识
DOI:10.3390/molecules27030623
摘要
This study aimed at investigating the impact of early versus normal grain harvesting on the chemical composition and secondary metabolites of Amaranthus cruentus species grown in South Africa. Mature harvested grain had higher (p < 0.05) DM, CF, NDF and ADF content compared to prematurely harvested grain. There were no significant (p > 0.05) differences between CP, ADL and GE of premature and mature harvested grains. Mature harvesting resulted in higher grain Ca, P, Mg and K content. Essential amino acids spectrum and content remained similar regardless of maturity at harvest. The grains displayed an ample amount of unsaturated fatty acids; the highest percentage was linoleic acid: 38.75% and 39.74% in premature and mature grains, respectively. β-Tocotrienol was detected at 5.92 and 9.67 mg/kg in premature and mature grains, respectively. The lowest was δ-tocotrienol which was 0.01 and 0.54 mg/kg in premature and mature grains, respectively. Mature harvested grain had a higher secondary metabolite content compared to premature harvested grains. The results suggest that mature harvested Amaranthus cruentus grain contain more minerals and phytochemicals that have health benefits for human and livestock immunity and gut function, which ultimately improves performance. This study concludes that A. cruentus grown in South Africa is a potential alternative cereal to major conventional cereals.
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