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[交流]
看到有人求助這段英文翻譯,可我卻沒(méi)有權(quán)限回帖,在此與各位交流,請(qǐng)多多指教!
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2.5. Analysis of the composition of SFP The HPLC method was used to identify the monosaccharides in SFP [11]. The sample (10 mg) of SFP was hydrolyzed with 2 mol/l H2SO4 (2 ml) at 100 ◦C for 5 h, and the excess acid was neutralized with barium carbonate. After standing overnight, the neutral products were separated by centrifugation at 3000 rpm for 10 min, 100 l supernatant was collected and reacted with 1- phenyl-3-methyl-5-pyrazolone, then subsequently separated by HPLC (Shimadzu LC-10AT VP, Japan) using a Packed column (4.6 × 250 mm) with detection at 250 nm. The mobile phase were consisted of 78% phosphate buffer solution (0.05 M, KH2PO4-NaOH, pH 6.9) and 22% acetonitrile (v/v), and the samples were eluted at a flow rate of 1.0 ml/min at 28 ◦C. In this study, l-Rha, d-Gal, d-GalA, d-Glu and Ara were used as references. 我覺(jué)得可以這樣翻譯:2.5.SFP組分的分析 高效液相色譜法常被用于鑒定SFP中的單糖,10ml的SFP樣品與2ml濃度為2mol/ml的 H2SO4在100◦C的溫度下水解5個(gè)小時(shí),過(guò)量的酸則用碳酸鋇中和掉。這樣放置一個(gè)晚上后,以每分鐘3000轉(zhuǎn)的轉(zhuǎn)速離心10min可除去中和產(chǎn)物,收集100ml的上清液與1-苯基-3-甲基-5-吡唑酮反應(yīng),然后用高效液相色譜儀(型號(hào):Shimadzu LC-10AT VP, Japan)進(jìn)行分離,填充柱規(guī)格為4.6 × 250 mm,在250nm的波長(zhǎng)條件下測(cè)定。流動(dòng)相組成為78%的磷酸鹽緩沖液 (0.05 M, KH2PO4-NaOH,pH 6.9)和22%的乙腈溶液(v/v),溫度為28 ◦C、洗脫液流速1.0 ml/min洗脫樣品。此次研究中,標(biāo)準(zhǔn)品為L(zhǎng)-鼠李糖,D-氨基半乳糖,D-氨基半乳糖胺,花生四烯酸。 |

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