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Evaluation of the Nutritional Status and Phytomedicinal Properties of Dried Rhizomes of Turmeric (<i>Curcuma longa</i>)

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Journal of Biosciences and Medicines 2020年第8期8卷 163-179页

作者： victor henry azubuike enemor Uchechukwu Chibuzo Ogbodo Ogechukwu Frances Nworji Obiajulu Christian Ezeigwe Chukwuemeka Obumneme Okpala Gloria Chiamaka Iheonunekwu Department of Applied Biochemistry Nnamdi Azikiwe University Awka Nigeria

Turmeric (Curcuma longa) belongs to the family Zingiberaceae and has long been used traditionally for centuries as a spice and medicinal elixir. Hence, the present study aimed to profile the nutritional and phytomedicinal properties of the plant in order to justify its relevance in traditional phytomedicine and advocate its application in novel pharmacological products. Using standard methods (High Performance Liquid Chromatography, Gas Chromatography-Mass Spectroscopy and Atomic Absorption Spectrophotometry), the dried rhizomes were washed, pulverized and ethanol extracts subjected to proximate, phytochemical, vitamins, amino acid and mineral determinations. Data obtained were analyzed using student’s t-test in Statistical Package for the Social Sciences version 21. Determined proximate indices indicated moisture content of 9.55%, carbohydrate (57.30%), ash (24.70%), crude fiber (1.12%), proteins (2.15%) and fat (5.32%). Mineral composition analyses showed that C. longa rhizomes had higher contents of calcium, magnesium, potassium and sodium in parts per million (ppm) at 38.68 ± 0.114, 19.75 ± 0.001, 9.20 ± 0.002 and 7.06 ± 0.014 respectively. Amino acid profile revealed the presence of both essential and non-essential types with aspartate and glutamate in higher contents at 9.78 g/100 g and 9.65 g/100 g, respectively. Findings showed also the presence of vitamins A, C and D at 254.5 ± 2.19 mg/kg, 19.47 ± 0.16 mg/kg and 10.92 ± 0.92 mg/kg, respectively. Phytochemical analyses showed the presence of phenolic compounds with high retention times. This study thus revealed that C. longa possesses various nutritional and pharmacological/medicinal components in considerable quantities and can provide the body with basic nutrients for its therapeutic needs as well as secondary compounds with tremendous phytomedicinal potentials.

关键词： Curcuma longa Nutritional Phytomedicine Traditional Rhizomes

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