Preliminary Study on the Functions of Peptides Obtained from White Mullet (<i>Ophiocephalus argus</i> var. Kimnra) Meat
To explore the functions of peptides obtained from white mullet (<i>Ophiocephalus argus</i> var. Kimnra) meat, the meat was hydrolyzed via simulated digestion in vitro, and the functions (milk secretion ability, antioxidant activity, angiotensin-converting enzyme (ACE) inhibitory activit...
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MDPI AG
2025-04-01
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| author | Yin Zhang Pengcheng Zhang Qiuyue Chen Aodong Wang Li Dong Longyi Zhang |
| author_facet | Yin Zhang Pengcheng Zhang Qiuyue Chen Aodong Wang Li Dong Longyi Zhang |
| author_sort | Yin Zhang |
| collection | DOAJ |
| description | To explore the functions of peptides obtained from white mullet (<i>Ophiocephalus argus</i> var. Kimnra) meat, the meat was hydrolyzed via simulated digestion in vitro, and the functions (milk secretion ability, antioxidant activity, angiotensin-converting enzyme (ACE) inhibitory activity, and Fe<sup>2+</sup> chelation) of the obtained peptide were evaluated. The results indicated that both low-dose and high-dose peptide promoted milk secretion in lactating rats in vivo; the peptides had scavenging effects on free radicals of 1,1-diphenyl-2-trinitrophenylhydrazine (DPPH), 2,2′-azino-bis (3-ethylbenzo-thiazoline-6-sulfonic acid) diammonium salt (ABTS), OH<sup>−</sup>, and O<sup>2−</sup>, and the EC<sub>50</sub> concentrations were 55.94 mg/mL, 10.14 mg/mL, 52.92 mg/mL, and 28.53 mg/mL, respectively. The peptides had an inhibitory effect on ACE, and the IC<sub>50</sub> concentration was 15.81 mg/mL. The peptides had a chelating ability to Fe<sup>2+</sup>, and the IC<sub>50</sub> concentration was 69.05 mg/mL. These results indicate that peptides obtained from white mullet meat exhibit milk secretion-promoting ability, antioxidant activity, ACE-inhibitory activity, and Fe<sup>2+</sup> chelation, making this an effective approach for isolating specific functional peptides and identifying their sequences from the digested solution of white mullet meat. |
| format | Article |
| id | doaj-art-c6b824255a984ee7a3bd319841ee7fc6 |
| institution | DOAJ |
| issn | 2304-8158 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | MDPI AG |
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| series | Foods |
| spelling | doaj-art-c6b824255a984ee7a3bd319841ee7fc62025-08-20T03:13:44ZengMDPI AGFoods2304-81582025-04-01148132210.3390/foods14081322Preliminary Study on the Functions of Peptides Obtained from White Mullet (<i>Ophiocephalus argus</i> var. Kimnra) MeatYin Zhang0Pengcheng Zhang1Qiuyue Chen2Aodong Wang3Li Dong4Longyi Zhang5Meat Processing Key Laboratory of Sichuan Province, Chengdu University, Chengdu 610106, ChinaMeat Processing Key Laboratory of Sichuan Province, Chengdu University, Chengdu 610106, ChinaMeat Processing Key Laboratory of Sichuan Province, Chengdu University, Chengdu 610106, ChinaMeat Processing Key Laboratory of Sichuan Province, Chengdu University, Chengdu 610106, ChinaMeat Processing Key Laboratory of Sichuan Province, Chengdu University, Chengdu 610106, ChinaMeat Processing Key Laboratory of Sichuan Province, Chengdu University, Chengdu 610106, ChinaTo explore the functions of peptides obtained from white mullet (<i>Ophiocephalus argus</i> var. Kimnra) meat, the meat was hydrolyzed via simulated digestion in vitro, and the functions (milk secretion ability, antioxidant activity, angiotensin-converting enzyme (ACE) inhibitory activity, and Fe<sup>2+</sup> chelation) of the obtained peptide were evaluated. The results indicated that both low-dose and high-dose peptide promoted milk secretion in lactating rats in vivo; the peptides had scavenging effects on free radicals of 1,1-diphenyl-2-trinitrophenylhydrazine (DPPH), 2,2′-azino-bis (3-ethylbenzo-thiazoline-6-sulfonic acid) diammonium salt (ABTS), OH<sup>−</sup>, and O<sup>2−</sup>, and the EC<sub>50</sub> concentrations were 55.94 mg/mL, 10.14 mg/mL, 52.92 mg/mL, and 28.53 mg/mL, respectively. The peptides had an inhibitory effect on ACE, and the IC<sub>50</sub> concentration was 15.81 mg/mL. The peptides had a chelating ability to Fe<sup>2+</sup>, and the IC<sub>50</sub> concentration was 69.05 mg/mL. These results indicate that peptides obtained from white mullet meat exhibit milk secretion-promoting ability, antioxidant activity, ACE-inhibitory activity, and Fe<sup>2+</sup> chelation, making this an effective approach for isolating specific functional peptides and identifying their sequences from the digested solution of white mullet meat.https://www.mdpi.com/2304-8158/14/8/1322white mulletpeptidesantioxidationfunctional peptideslactation function |
| spellingShingle | Yin Zhang Pengcheng Zhang Qiuyue Chen Aodong Wang Li Dong Longyi Zhang Preliminary Study on the Functions of Peptides Obtained from White Mullet (<i>Ophiocephalus argus</i> var. Kimnra) Meat Foods white mullet peptides antioxidation functional peptides lactation function |
| title | Preliminary Study on the Functions of Peptides Obtained from White Mullet (<i>Ophiocephalus argus</i> var. Kimnra) Meat |
| title_full | Preliminary Study on the Functions of Peptides Obtained from White Mullet (<i>Ophiocephalus argus</i> var. Kimnra) Meat |
| title_fullStr | Preliminary Study on the Functions of Peptides Obtained from White Mullet (<i>Ophiocephalus argus</i> var. Kimnra) Meat |
| title_full_unstemmed | Preliminary Study on the Functions of Peptides Obtained from White Mullet (<i>Ophiocephalus argus</i> var. Kimnra) Meat |
| title_short | Preliminary Study on the Functions of Peptides Obtained from White Mullet (<i>Ophiocephalus argus</i> var. Kimnra) Meat |
| title_sort | preliminary study on the functions of peptides obtained from white mullet i ophiocephalus argus i var kimnra meat |
| topic | white mullet peptides antioxidation functional peptides lactation function |
| url | https://www.mdpi.com/2304-8158/14/8/1322 |
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