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Quantitation of Oleuropein and Related Phenolics in Cured Spanish-Style Green, California-Style Black Ripe, and Greek-Style Natural Fermentation Olives
Journal of Agricultural and Food Chemistry ( IF 5.7 ) Pub Date : 2018-02-09 00:00:00 , DOI: 10.1021/acs.jafc.7b06025 Rebecca Johnson 1 , Eleni Melliou 2 , Jerry Zweigenbaum 3 , Alyson E. Mitchell
Journal of Agricultural and Food Chemistry ( IF 5.7 ) Pub Date : 2018-02-09 00:00:00 , DOI: 10.1021/acs.jafc.7b06025 Rebecca Johnson 1 , Eleni Melliou 2 , Jerry Zweigenbaum 3 , Alyson E. Mitchell
Affiliation
Oleuropein, ligstroside, and related hydrolysis products are key contributors to olive bitterness, and several of these phenolics are implicated in the prevention of lifestyle age-related diseases. While table olive processing methods are designed to reduce oleuropein, the impact of processing on ligstroside and related hydrolysis products (e.g., oleacein, oleocanthal, hydroxytyrosol glucoside, ligstroside aglycone, and oleuropein aglycone) is relatively unknown. Herein, levels of these compounds were measured in Spanish-style green (SP), Californian-style black ripe (CA), and Greek-style natural fermentation (GK) olives using rapid ultrahigh-performance liquid chromatography (UHPLC) tandem mass spectrometry (MS/MS). GK olives had the highest concentration of all compounds measured, with the exception of oleocanthal, which was highest in SP olives (0.081 mg kg–1 wet weight (w.wt)). CA olives had the lowest levels of most compounds measured, including ligstroside (0.115 mg kg–1 w.wt) and oleuropein (0.974 mg kg–1 w.wt). Hydroxytyrosol was the predominate compound in all three styles of commercial olives, with similar concentrations observed for GK and SP olives (134.329 and 133.685 mg kg–1 w.wt, respectively) and significantly lower concentrations observed for CA olives (19.981 mg kg–1 w.wt).
中文翻译:
固化西班牙风格的绿色,加利福尼亚风格的黑色成熟和希腊风格的天然发酵橄榄中橄榄苦苷和相关酚类化合物的定量
橄榄苦苷,麦角总皂苷和相关的水解产物是造成橄榄苦味的关键因素,其中一些酚类物质与预防与生活方式有关的老年性疾病有关。尽管食用橄榄的加工方法旨在减少橄榄苦苷,但加工对麦角苷和相关水解产物(例如,油精,油橄榄酚,羟基酪醇葡萄糖苷,糖苷甙元和橄榄苦甙糖苷元)的影响尚不明确。在本文中,使用快速超高效液相色谱(UHPLC)串联质谱法在西班牙式绿(SP),加利福尼亚式黑熟(CA)和希腊式自然发酵(GK)橄榄中测量了这些化合物的含量( MS / MS)。在所有测得的化合物中,GK橄榄的浓度最高,除了油橄榄,–1湿重(w.wt))。所测得的大多数化合物中,CA橄榄的含量最低,包括麦角苦苷(0.115 mg kg –1 w.wt)和橄榄苦苷(0.974 mg kg –1 w.wt)。羟基酪醇是在所有三种类型的商业橄榄的占主导地位的化合物,具有用于观察GK相似浓度和SP橄榄(134.329和133.685毫克千克-1分别w.wt,)和CA橄榄观察显著较低浓度(19.981毫克千克-1 w.wt)。
更新日期:2018-02-09
中文翻译:
固化西班牙风格的绿色,加利福尼亚风格的黑色成熟和希腊风格的天然发酵橄榄中橄榄苦苷和相关酚类化合物的定量
橄榄苦苷,麦角总皂苷和相关的水解产物是造成橄榄苦味的关键因素,其中一些酚类物质与预防与生活方式有关的老年性疾病有关。尽管食用橄榄的加工方法旨在减少橄榄苦苷,但加工对麦角苷和相关水解产物(例如,油精,油橄榄酚,羟基酪醇葡萄糖苷,糖苷甙元和橄榄苦甙糖苷元)的影响尚不明确。在本文中,使用快速超高效液相色谱(UHPLC)串联质谱法在西班牙式绿(SP),加利福尼亚式黑熟(CA)和希腊式自然发酵(GK)橄榄中测量了这些化合物的含量( MS / MS)。在所有测得的化合物中,GK橄榄的浓度最高,除了油橄榄,–1湿重(w.wt))。所测得的大多数化合物中,CA橄榄的含量最低,包括麦角苦苷(0.115 mg kg –1 w.wt)和橄榄苦苷(0.974 mg kg –1 w.wt)。羟基酪醇是在所有三种类型的商业橄榄的占主导地位的化合物,具有用于观察GK相似浓度和SP橄榄(134.329和133.685毫克千克-1分别w.wt,)和CA橄榄观察显著较低浓度(19.981毫克千克-1 w.wt)。