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KMID : 1098420150230020125
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Korean Journal of Medicinal Crop Science
2015 Volume.23 No. 2 p.125 ~ p.131
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Correlations between Soil Environment and Bioactive Constituents of Namdo Garlic Harvested in the Non-volcanic Ash Soil Distributed Western Jeju
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Kim Ju-Sung
Ra Jong-Hwan
Hyun Hae-Nam
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Abstract
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In this study, we determined the ingredient analysis of harvested garlic bulb and soil analysis of four garliccultivated
regions in Jeju, being one of the major areas of Namdo garlic production. Soil pH and electric conductivity were 7.02 and 1.03 dS/m, respectively. Soil organic matter was 4.31%. The mineral elements (potassium, calcium, magnesium, sodium, iron, manganese, copper and zinc) of Namdo garlic cultivated soil were analyzed by ICP, and calcium was the most highly contained mineral with 14.67 cmol+/kg and in the decreasing order of magnesium (2.25 cmol+/㎏), potassium
(1.51 cmol+/㎏). Soluble solid and total acidity were 7.60 o Brix and 0.49%, respectively. The mineral contents of garlic bulb were in order of potassium (12,728 ppm) > sulfur (7,778 ppm) > phosphorus (4,916 ppm) > magnesium (691 ppm)
> calcium (359 ppm). The content of total phenolic, total flavonoid and reducing sugar were 71.14 ㎎ GAE/100 g, 17.64 ㎎
QE/100 g and 26.53 ㎎ GE/g, respectively. Alliin and allicin were 8.78 ㎎/g and 2.10 ㎎/g, respectively. The Pearson’s correlation coefficients between mineral contents of soil and garlic bulb are analyzed. Macronutrients of soil is correlated with macronutrients of garlic (positive) and micronutrients of garlic (negative) contents.
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KEYWORD
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Allicin, Alliin, Minaral, Namdo Garlic, Non-Volcanic Ash Soil
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