الفهرس 
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Abstract
polyphenols (576.2 & 402.4 mgll OOg), also flavonoids contents was higher in ginger roots powder (2.98 ug/! OOg)
more than dandelion
and curcum roots powder. from the tabulated results it
could be noticed that of dandelion, ginger and curcum roots
powder were rich source of macronutrients.
Micro and macro nutrient elements can play an
important role in many metabolic processes and functions
throughout the life cycle. The data given illustrated that the
roots powder contained the various values of micro and
macro elements including manganese, copper, iron, zinc,
calcium, magnesium, phosphorous, sodium and potassium.
Results indicated that dandelion powder was relatively
highest in all micro and macro elements, while it’s
relatively lower in phosphorous compared with ginger and
curcum roots powder. Also, results noticed that the ginger
root powder was relatively lower in micro elements
(copper, iron and zinc) and also lower in macro nutrient
elements (calcium; magnesium and potassium) compared
with dandelion and curcum roots powder; while, curcum
root powder was relatively higher in copper, iron, zinc,
calcium, phosphorous and potassium compared with other
roots powder.
Nutritional activity in roots powder was contained
good amounts of vitamins including (C, E, A, thiamine,
riboflavin and niacin). The obtained data revealed that
dandelion powder had highest amounts of amino acids
including Isoleucine, Lysine, Methionine, Cysteine,
Phenylalanine, Tyrosine, Tryptophan and Valine (5.70,
4.30, 3.29, 4.07; 3.09; 5.14, 4.51 & 5.20 mgllOOg)
respectively; in contrary, dandelion had lowest amounts of