Comparison of the Nutrient Composition and Quality of the Root of Allium hookeri Grown in Korea and Myanmar

박주영,; 윤경영,

doi:10.9721/kjfst.2014.46.5.544

Cited by 22 publications

(6 citation statements)

References 21 publications

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“…[ 11 ]. Surprisingly, AH root of South Korea contains twice the amount of sulfur, crude saponin, mineral content, and amino acid in comparison to Myanmar [ 13 ]. Although various biological activities of AH root and leaf have been reported, the underlying mechanisms of AH remain unclear.…”

Section: Introductionmentioning

confidence: 99%

Allium hookeri root extract exerts anti-inflammatory effects by nuclear factor-κB down-regulation in lipopolysaccharide-induced RAW264.7 cells

Jang¹,

Lee²,

You³

et al. 2017

BMC Complement Altern Med

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Background Allium hookeri (AH) is widely consumed as a vegetable and herbal medicine in southeastern Asia. AH has been reported antioxidant, antimicrobial, improvement of bone health and antidiabetic effects. In the present study, we investigated the inhibitory effect of a methanol extract of AH root (AHE) on inflammatory response in lipopolysaccharide (LPS)-induced RAW264.7 cells.MethodsInitially, characterization of organic sulfur compounds in AHE was determined using high performance liquid chromatography-electrospray ionization-mass spectrometry (HPLC-ESI-MS). Cells were incubated with LPS and AHE for 24 h. The productions of nitric oxide (NO), reactive oxygen species (ROS), and inflammation-related cytokines were examined. Gene and protein expression of inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) were assessed by polymerase chain reaction and Western blotting. Key factor, nuclear factor kappa B (NF-κB) was also determined.ResultsAHE contained organosulfur compounds such as alliin and S-allylcysteine by HPLC-ESI-MS. AHE significantly inhibited NO, ROS, and cytokines production in LPS-induced RAW264.7 cells. In addition, AHE treatment inhibited iNOS and COX-2 mRNA and protein levels, leading to a decrease in iNOS-derived NO level. Furthermore, NF-κB activation was, at least in part, suppressed by AHE treatment.ConclusionOur data suggest that AHE treatment inhibits the inflammation condition through suppression of iNOS and COX-2 expression via NF-κB down-regulation.

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Section: Introductionmentioning

confidence: 99%

Allium hookeri root extract exerts anti-inflammatory effects by nuclear factor-κB down-regulation in lipopolysaccharide-induced RAW264.7 cells

Jang¹,

Lee²,

You³

et al. 2017

BMC Complement Altern Med

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“…Especially, it has been reported that AH contained allicin and ten alkyl thiosulfinates by HPLC-electrospray ionization-mass spectrometry (HPLC-ESI-MS) [ 17 ]. In addition, AH of South Korea contained twice the amount of sulfur and crude saponin, relative to AH of Myanmar in comparison with the study of nutrient composition and quality of AH between South Korea and Myanmar [ 31 ]. Also, the main medical activities of AH are anti-inflammatory, antioxidant, and free radical scavenging effects.…”

Section: Discussionmentioning

confidence: 99%

Allium hookeri root protects oxidative stress-induced inflammatory responses and β-cell damage in pancreas of streptozotocin-induced diabetic rats

Roh¹,

Kwon²,

Yang³

et al. 2016

BMC Complement Altern Med

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BackgroundWater extract from the root of Allium hookeri (AH) shows anti-inflammatory, antioxidant, and free radical scavenging effects. In this study, the ameliorating effects of AH on oxidative stress-induced inflammatory response and β-cell damage in the pancreas of streptozotocin (STZ)-induced type 1 diabetic rats were investigated.MethodsAH (100 mg/kg body weight/day) was orally administered every day for 2 weeks to STZ-induced diabetic rats. After the final administration of AH, biochemical parameters including glucose, insulin, reactive oxygen species levels, and protein expressions related to antioxidant defense system in the pancreas of STZ-induced diabetic rats.ResultsThe diabetic rats showed loss of body weight and increased pancreatic weight, while the oral administration of AH attenuated body and pancreatic weight changes. Moreover, the administration of AH caused a slightly decrease in the serum glucose level and a significant increase in the serum and pancreatic insulin levels in the diabetic rats. AH also significantly reduced the enhanced levels of reactive oxygen species, oxidative stress biomarker, in the serum and pancreas. The diabetic rats exhibited a down-regulation of the protein expression related to antioxidant defense system in the pancreas, but AH administration significantly up-regulated the expression of the heme oxygenase-1 (HO-1). Furthermore, AH treatment was reduced the overexpression of nuclear factor-kappa B (NF-кB)p65 and NF-кBp65-induced inflammatory cytokines such as tumor necrosis factor-α and interleukin-6. In addition, AH treatment was less pancreatic β-cell damaged compared with those of the diabetic rats.ConclusionThese results provide important evidence that AH has a HO-1 activity on the oxidative stress conditions showing pancreato-protective effects against the development of inflammation in the diabetic rats. This study provides scientific evidence that AH protects the inflammatory responses by modulated NF-кBp65 signaling pathway through activation of HO-1 in the pancreas of STZ-induced diabetic rats.

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“…The PSM was obtained from Queensbucket Co. (Seoul, Korea) and ground and stored in a deep freezer (MDF-435, Sanyo, Tokyo, Japan) at 42°C for use in subsequent experiments. The proximate composition of PSM was measured according to methods of Bhattacharjee et al [2013] and Park & Yoon [2014] with some modi cations. Moisture content was measured using an infrared moisture analyzer (FD-720, Kett, Tokyo, Japan).…”

Section: Methodsmentioning

confidence: 99%

Functional Properties of Enzymatic Hydrolysate and Peptide Fractions from Perilla Seed Meal Protein

Park

Yoon

2019

Pol. J. Food Nutr. Sci.

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Córdova-Murueta & García-Carreño, 2002]. Hydrolysates containing low molecular weight peptides are easier to digest and absorb than long polymeric proteins and are widely available in various foods and processed products [Megias et al., 2009]. Peptides produced via enzymatic hydrolysis of food proteins exhibit physicochemical properties that are different from those of the original proteins because of lower molecular weights and exposure of hydrophobic residues caused by changes in the molecular structure, while maintaining physiological activity. Peptides present in food products exert biological control functions and provide nutritional value by supplying amino acids. In addition, peptides have excellent emulsifying properties and desired physical properties, such as gel-forming ability, solubility, viscosity, and emulsion properties, and strong af nity fat, and are thus ideal components of food products, such as sports drinks, dietetic foods, and health supplements [Chalamaiah et al., 2012; Benitez et al., 2008]. Various bioactive peptides have been produced from proteins, and their potential use as a functional food material has been proposed. Therefore, in the present study, PSM protein hydrolysate was prepared via enzymatic degradation, and the peptides from the hydrolysate were fractionated based on the molecular weight using an ultra ltration system. The amino acid composition and physical properties, including solubility, emulsi cation, foaming, oil retention, and water absorption properties, of the protein hydrolysate and peptide fractions were evaluated to serve as the basis for the utilization of PSM as functional ingredients in food products.

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Comparison of the Nutrient Composition and Quality of the Root of Allium hookeri Grown in Korea and Myanmar

Cited by 22 publications

References 21 publications

Allium hookeri root extract exerts anti-inflammatory effects by nuclear factor-κB down-regulation in lipopolysaccharide-induced RAW264.7 cells

Allium hookeri root extract exerts anti-inflammatory effects by nuclear factor-κB down-regulation in lipopolysaccharide-induced RAW264.7 cells

Allium hookeri root protects oxidative stress-induced inflammatory responses and β-cell damage in pancreas of streptozotocin-induced diabetic rats

Functional Properties of Enzymatic Hydrolysate and Peptide Fractions from Perilla Seed Meal Protein

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