https://www.selleckchem.com/pr....oducts/sp-600125.htm
A novel strategy for screening and identifying peptides present in Baijiu was developed based on magnetic solid-phase extraction with magnetic S-doped graphene (M-G-S) as adsorbent combined with ultrahigh-performance liquid chromatography with high resolution tandem mass spectrometry. In total, 28 peptides consisting of amino acids from 3 to 9 were preliminarily identified, and significantly higher in the number than that of direct concentration and SPE with C18 as the adsorbent. Six peptides were confirmed with their corresponding sy
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