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KMID : 0665220160290061015
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Korean Journal of Food and Nutrition
2016 Volume.29 No. 6 p.1015 ~ p.1022
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Comparison of Ash and Mineral Contents in Local Agricultural Products
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Ji Soo-Hyun
Kang Jeong-Hwa
Jo Gyeong-Suk
Lee Sun-Kyung
Kim Haeng-Ran
Choi Young-Min
Lee you-Seok
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Abstract
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The purpose of this study was to investigate ash and mineral contents of agricultural products that are widely and specifically grown in Korea, including 23 fruits, 11 cereals and specialty crops, and 11 leaves and vegetables. Pre-treatment of mineral was performed by microwave method. Mineral contents were analyzed by Inductively Coupled Plasma-Optical Emission Spectrometer (ICP-OES) and Inductively Coupled Plasma Spectrophotometry Mass (ICP-MS). Ash contents ranged from 0.20 to 0.69 g/100 g in fruits, 1.62 to 3.80 g/100 g in cereals, and 0.28 to 2.93 g/100 g in leaves and vegetables. Among the 45 samples, the highest contents of ash were found in quinoa (average 3.80 g/100 g), the highest contents of calcium (Ca) were found in Hansan ramie leaves (average 894.79 mg/100 g), the highest contents of phosphorus (P) were found in yellow amaranth(average 661.88 mg/100 g), the highest contents of potassium (K) were found in quinoa (average 1,455.38 mg/100 g), the highest contents of magnesium (Mg) were found in red amaranth (average 434.02 mg/100 g), the highest contents of molybdenum (Mo) were found in moringa (average 482.50 μg/100 g), and the highest contents of selenium (Se) were found in apple mango(average 23.67 μg/100 g).
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KEYWORD
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ash , mineral , agricultural products , ICP-OES , ICP-MS
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