Proximate Composition and Mineral content, Amino acid of Laver based on Culture Areas1a

Jung, Sang-Mok; Kang, Seul-gi; Lee, Han-Joo; Son, Ji-Su; Jeon, Jae-Hyuk; Shin, Hyun Woung

doi:10.13047/kjee.2016.30.1.098

Cited by 7 publications

(2 citation statements)

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“…), while copper (Cu) content was the highest in PS12 (1.56 mg/100 g dry wt.). Kim et al (2014) and Jung et al (2016) reported that mineral contents differ even in the same variety depending on the environment of the farming region. Although the exact order of mineral content differed, they found that the major minerals were Ca, K, Mg, and Na, with Fe being the most abundant trace mineral.…”

Section: Mineral Contentsmentioning

confidence: 99%

Physicochemical characteristics and antioxidant activities of laver cultivars harvested at different times

Kim¹,

Kim²,

Jeong³

et al. 2021

Korean J. Food Preserv.

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The aim of this study was to compare the physicochemical characteristics and antioxidant activities of Pyropia dentata harvested in November (PD11), Pyropia seriata harvested in December (PS12), and Pyropia yezoensis harvested in December (PY12), January (PY01), or March (PY03). Total amino acid content (mg/100 g dry wt.) was high: PY01 (41,009.52) > PY12 (40,914.26) > PS12 (35,720.29) > PD11 (33,762.75) > PY03 (32,906.54). The major minerals within the three laver cultivars were Ca, K, Mg, and Na. PD11 exhibited the highest contents of shinorine (2,089.84 mg/ 100 g dry wt.) and porphyra-334 (3,127.96 mg/100 g dry wt.), which are mycosporine-like amino acids. Of the PY samples harvested at different times, PY03 exhibited the highest contents of shinorine (19.00 mg/100 g dry wt.) and porphyra-334 (438.31 mg/100 g dry wt.). The total phenol content was higher in PD11 (702.99 mg tannic acid equivalent/100 g) than those in the other samples. PD11 had the highest 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid radical-scavenging and ferric reducing antioxidant activities. The results provide basic information regarding the physicochemical characteristics and antioxidant activities of laver cultivars harvested at different times.

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Section: Mineral Contentsmentioning

confidence: 99%

Physicochemical characteristics and antioxidant activities of laver cultivars harvested at different times

Kim¹,

Kim²,

Jeong³

et al. 2021

Korean J. Food Preserv.

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“…Dried algae contain large quantities of carbohydrates, proteins, ash, lipids, minerals and other constituents. For example, the carbohydrate and protein levels of Pyropia are 34.3-50.2% and 25-50% (Noda, 1993;Jung et al, 2016a). Shin et al (2013) reported carbohydrate, protein and lipid contents of 39.…”

Section: Introductionmentioning

confidence: 99%

Seasonal variations in the proximate composition of Pyropia yezoensis harvested along the western and southern coast of Korea

Jung¹,

Kang²,

J.H³

et al. 2019

JEB

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Aim:Methodology: Results:Interpretation: Key words:Pyropia yezoensis is a widely consumed edible seaweed that contains substantial carbohydrates, proteins, lipids, amino acids and minerals. In this study, the proximate composition, amino acid content and mineral content of P. yezoensis were compared at two culture sites in South Korea (Goheung and Gunsan) during same time period.This study followed AOAC methods for proximate composition. Amino acid and mineral were analyzed by amino acid analyzer and inductively coupled plasma.The highest measured protein contents were 39.66±0.49% in December at Goheung and 38.77±0.59% in January at Gunsan. Proximate compositions did not differ significantly between Gunsan and Goheung. Among amino acids, isoleucine, leucine, threonine, lysine, histidine and valine were present at higher concentrations during November and December harvesting periods. The levels of Ca and P were higher in Pyropia at Gunsan from November to February compared with Pyropia at Goheung.Clear temporal and spatial variations were observed in amino acid and mineral contents, but not in proximate composition. Our study provides important information about the nutritive properties of P. yezoensis.

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Temporal and spatial variations in the proximate composition, amino acid, and mineral content of Pyropia yezoensis

et al. 2016

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Proximate Composition and Mineral content, Amino acid of Laver based on Culture Areas1a

Cited by 7 publications

References 0 publications

Physicochemical characteristics and antioxidant activities of laver cultivars harvested at different times

Physicochemical characteristics and antioxidant activities of laver cultivars harvested at different times

Seasonal variations in the proximate composition of Pyropia yezoensis harvested along the western and southern coast of Korea

Temporal and spatial variations in the proximate composition, amino acid, and mineral content of Pyropia yezoensis

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