尼日利亚Ado-Ekiti三种精选食用花的植物化学成分和营养评价

S. Oyeyemi, S. Arowosegbe, M. A. Famosa
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引用次数: 4

摘要

本研究检测了采自尼日利亚埃基蒂州Ado Ekiti的芙蓉花、辣木花和天堂花的生物活性植物化学成分和营养成分。各种研究表明,有些花自古以来就被人类食用,具有治疗和营养价值。收集鲜花,清洗,干燥,研磨成粉末进行分析。植物化学筛选结果显示,油松花和天顶花中存在黄酮类、单宁类、皂苷类、酚类、萜类、酞菁类、心苷类、蒽醌类和甾体类化合物,而红桃花中不存在黄酮类、生物碱类、单宁类、酚类和萜类化合物。从含量上看,油桐和天竺葵单宁含量分别为54.61和48.93,皂苷含量分别为46.51和25.42,酚类含量分别为44.37和36.09。红木中总皂苷含量为63.03mg/100g,天顶草中总黄酮含量为17.98mg/100g。三种花的碳水化合物含量为49.01 ~ 61.11,粗蛋白质含量为1.90 ~ 3.07,粗纤维含量为17.27 ~ 29.00,粗灰分含量为1.89 ~ 3.34,粗脂肪含量为3.36 ~ 5.60,水分含量为12.37 ~ 13.66。矿质元素含量依次为Na>K>Ca >Cu>Fe>Mn>Mg和Zn,而铅和镍含量均低于允许值,可安全食用。花中植物化学物质的存在表明花可能具有预防和治疗特性。此外,这些花富含碳水化合物、纤维和矿物质,因此可以作为人和牲畜饲料的补充食品。关键词:埃基蒂州,花,营养成分,植物化学,辅食
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Phytochemical constituents and nutritional evaluation of three selected edible flowers in Ado-Ekiti, Nigeria
The study examined the bioactive phytochemical and nutritional compositions of Hibiscus rosasinensis , Moringa oleifera and Musa paradisiaca flowers collected from Ado Ekiti, Ekiti State, Nigeria. Various researches suggest that some flowers are eaten by man since ancient times and have therapeutic properties as well as nutritional value. Fresh flowers were collected, washed, dried and ground into powder for analysis. The results of the phytochemical screening revealed the presence of Flavonoids, Tannins, Saponins, Phenols, Terpenoids, Phlobatannins, Cardiac glycosides, Anthraquinones and Steroids in M. oleifera and M. paradisiaca flowers while Flavonoids, Alkaloids, Tannins, Phenols and Terpernoids were absent in H. rosasinensis . Quantitatively, M. oleifera and M. paradisiaca contained (mg/100g) Tannins 54.61 and 48.93, Saponins 46.51 and 25.42, and Phenols 44.37 and 36.09 respectively. H. rosasinensis contained 63.03mg/100g saponins while the estimated quantity of flavonoids in M. paradisiaca was 17.98mg/100g. The percentage estimation of the proximate composition of the three flowers revealed carbohydrate values ranging from 49.01 to 61.11, crude protein 1.90 - 3.07, crude fiber 17.27 - 29.00, ash 1.89 - 3.34, crude fat 3.36 - 5.60 and moisture content 12.37 - 13.66. All the flowers showed high level of mineral elements in order of Na>K>Ca >Cu>Fe>Mn>Mg and Zn while Pb and Ni found in M. oleifera and M. paradisiaca were below the permissible level and considered safe for human consumption. The presence of phytochemical in the flowers suggests possible preventive and curative property of the flowers. Also, the flowers are rich in carbohydrate, fiber and minerals hence can be fortified as supplementary food for man and livestock feeds. Keywords: Ekiti State, Flower, Nutritional composition, Phytochemical, Supplementary food
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