2019
DOI: 10.1021/acs.jafc.9b01235
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Purification and Characterization of Antioxidant Peptides from Alcalase-Hydrolyzed Soybean (Glycine max L.) Hydrolysate and Their Cytoprotective Effects in Human Intestinal Caco-2 Cells

Abstract: This study aimed to purify and identify antioxidant peptides from the low-molecular-weight fraction (SPH-I, MW < 3 kDa) of Alcalase-hydrolyzed soybean (Glycine max L.) hydrolysate and further evaluate the cytoprotective effects of synthesized peptides against oxidative stress in human intestinal Caco-2 cells. After purification by gel filtration chromatography and reversed-phase HPLC, four major peptides were sequenced by nano-LC-ESI-MS/MS as VVFVDRL (847 Da, SPH-IA), VIYVVDLR (976 Da, SPH-IB), IYVVDLR (877 Da… Show more

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Cited by 99 publications
(73 citation statements)
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“…Similar results have been shown in previous studies, such as SPH-I (Mw < 3 kDa) from the alcalase-hydrolyzed soybean hydrolysate (SPH) which decreased the death rate of injured Caco-2 cells induced by oxidative stress, increased CAT activity, and decreased MDA content [48]. Feng et al [49] reported that two peptides (TY and SGGY) from defatted walnut meal protein hydrolysates (DEMPH) had the protective effect against oxidative damage to SH-SY5Y cells, therefore SGGY could significantly increase cell viability, and improve GSH content at a concentration of 1.0 mg/mL (p < 0.01).…”
Section: Effect Of Mbphs-i On the Level Of Ros On Cellssupporting
confidence: 91%
“…Similar results have been shown in previous studies, such as SPH-I (Mw < 3 kDa) from the alcalase-hydrolyzed soybean hydrolysate (SPH) which decreased the death rate of injured Caco-2 cells induced by oxidative stress, increased CAT activity, and decreased MDA content [48]. Feng et al [49] reported that two peptides (TY and SGGY) from defatted walnut meal protein hydrolysates (DEMPH) had the protective effect against oxidative damage to SH-SY5Y cells, therefore SGGY could significantly increase cell viability, and improve GSH content at a concentration of 1.0 mg/mL (p < 0.01).…”
Section: Effect Of Mbphs-i On the Level Of Ros On Cellssupporting
confidence: 91%
“…Then, protease inactivation was performed by heating the solution in water at 100 °C for 15 min. The protein solution was cooled to room temperature and then centrifuged at 10,000 g and 4 °C for 10 min to collect the supernatant containing MPH (Zhang et al., 2019).…”
Section: Methodsmentioning
confidence: 99%
“…The absorbance at 220 nm was monitored, and each eluate (10 min) was collected. The fractions with high absorbance were collected and applied for in vitro antioxidant activity assays (Zhang et al., 2019).…”
Section: Methodsmentioning
confidence: 99%
“…This method was also regarded as simple, fast, and efficient for evaluating antioxidant activity, leading to its global use (Benzie et al, 1996;Canabady-Rochelle et al, 2015;Zhang, Tong et al, 2019). The same letter denotes that the variance of the two samples was not significant (p > .05); different letters denote that the variance of the two samples was significant (p < .05) FRAP method focused on the determination of the single-electron transfer from all kinds of ROS scavenging in this work.…”
Section: F I G U R Ementioning
confidence: 99%
“…FRAP method focused on the determination of the single-electron transfer from all kinds of ROS scavenging in this work. This method was also regarded as simple, fast, and efficient for evaluating antioxidant activity, leading to its global use (Benzie et al, 1996;Canabady-Rochelle et al, 2015;Zhang, Tong et al, 2019).…”
Section: Abtsmentioning
confidence: 99%