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한국 연안산 방사무늬김(Porphyra yezoensis )의 일반성분 및 미네랄 함량

Proximate Composition and Mineral Content of Laver Porphyra yezoensis from the Korean Coast

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주제분류수산학

초록

To measure the proximate composition and mineral content of laver Porphyra yezoensis , we collected 30 raw and 30 dried laver from the major production area of the south coast of Korea (Busan, Goheung, Haenam, Wando). The approximate composition of a 100 g edible portion of raw laver was 89.9±1.4 g moisture, 3.7±1.0 g protein,0.5±0.2 g lipids, 2.1±1.8 g carbohydrate and 3.9±0.6 g ash. The approximate composition of a 100 g portion of dried laver was 8.9±1.6 g moisture, 31.5±6.5 g protein, 1.9±0.3 g lipids, 48.4±6.5 g carbohydrate and 9.3±1.1g ash. No clear regional variation in laver composition was observed. The mineral content of laver was expressed as dry weight. The mean macro mineral content per 100 g portion of raw laver was (in descending order): K (1,979±863.0 mg), Na (1,063.2±498.8 mg), P (658.7±101.8 mg), Mg (432.3±83.5 mg) and Ca (394.2±136.5 mg). In comparison, the mean micro mineral content of raw laver was (in descending order): Fe (243.72±154.75 μg/g), Zn (72.76±30.61 μg/g), Mn (41.53±15.33 μg/g), Cu (4.16±1.66 μg/g) and Ni (0.43±0.70 μg/g) No clear regional variation in the mineral content of laver was observed; however, raw laver contained a higher mineral content than dried laver.

Abstract

To measure the proximate composition and mineral content of laver Porphyra yezoensis , we collected 30 raw and 30 dried laver from the major production area of the south coast of Korea (Busan, Goheung, Haenam, Wando). The approximate composition of a 100 g edible portion of raw laver was 89.9±1.4 g moisture, 3.7±1.0 g protein,0.5±0.2 g lipids, 2.1±1.8 g carbohydrate and 3.9±0.6 g ash. The approximate composition of a 100 g portion of dried laver was 8.9±1.6 g moisture, 31.5±6.5 g protein, 1.9±0.3 g lipids, 48.4±6.5 g carbohydrate and 9.3±1.1g ash. No clear regional variation in laver composition was observed. The mineral content of laver was expressed as dry weight. The mean macro mineral content per 100 g portion of raw laver was (in descending order): K (1,979±863.0 mg), Na (1,063.2±498.8 mg), P (658.7±101.8 mg), Mg (432.3±83.5 mg) and Ca (394.2±136.5 mg). In comparison, the mean micro mineral content of raw laver was (in descending order): Fe (243.72±154.75 μg/g), Zn (72.76±30.61 μg/g), Mn (41.53±15.33 μg/g), Cu (4.16±1.66 μg/g) and Ni (0.43±0.70 μg/g) No clear regional variation in the mineral content of laver was observed; however, raw laver contained a higher mineral content than dried laver.

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