Triacylglycerol and Fatty Acid Compositions of Blackberry, Red Raspberry, Black Raspberry, Blueberry and Cranberry Seed Oils by Ultra-Performance Convergence Chromatography-Quadrupole Time-of-Flight Mass Spectrometry.
Triacylglycerol and Fatty Acid Compositions of Blackberry, Red Raspberry, Black Raspberry, Blueberry and Cranberry Seed Oils by Ultra-Performance Convergence Chromatography-Quadrupole Time-of-Flight Mass Spectrometry.
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DOI：
10.3390/foods10112530
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发表时间：
2021-10-21
期刊：
影响因子：
--
通讯作者：
Yu LL
中科院分区：
文献类型：
--
作者：
Luo Y;Yuan F;Li Y;Wang JD;Gao B;Yu LL
采用超高效会聚色谱-四极杆飞行时间质谱（UPC 2-QTOF MS）对黑莓、红树莓、黑树莓、蓝莓和蔓越莓籽油的三酰甘油（TAG）组成进行了分析。分别从黑莓、红树莓、黑树莓、蓝莓和蔓越莓籽油中检测并初步鉴定了52、53、52、59和58个TAG，根据MS 1中的精确分子量和MS 2中的碎片离子分布。OLL是黑莓、红树莓和黑树莓籽油中含量最高的TAG。此外，还采用气相色谱-质谱联用技术（GC-MS）直接测定了5种浆果籽油的脂肪酸组成。此外，种子油的总酚含量范围为13.68-177.06 µmol GAE（没食子酸当量）/L油，并对DPPH，过氧和ABTS+自由基具有显著的清除能力。结果表明，UPC 2和QTOF MS联用可以有效地利用脂肪酸的sn-位置信息对浆果籽油的TAG组分进行鉴定和半定量。了解这些浆果籽油的TAG组成可以提高这些潜在的高营养价值油对人类健康的利用率。
The triacylglycerol (TAG) compositions of blackberry, red raspberry, black raspberry, blueberry and cranberry seed oils were examined using ultra-performance convergence chromatography-quadrupole time-of-flight mass spectrometry (UPC2-QTOF MS). A total of 52, 53, 52, 59 and 58 TAGs were detected and tentatively identified from the blackberry, red raspberry, black raspberry, blueberry and cranberry seed oils, respectively, according to their accurate molecular weight in MS1 and fragment ion profiles in MS2. OLL was the most abundant TAG in the blackberry, red raspberry and black raspberry seed oils. Furthermore, the fatty acid compositions of the five berry seed oils were directly determined by gas chromatography coupled with mass spectrometry (GC-MS). In addition, the seed oils had total phenolic contents ranging 13.68–177.06 µmol GAE (gallic acid equivalent)/L oil, and significant scavenging capacities against DPPH, peroxyl, and ABTS+ radicals. These results indicated that the combination of UPC2 and QTOF MS could effectively identify and semi-quantify the TAGs compositions of the berry seed oils with sn-position information for the fatty acids. Understanding the TAGs compositions of these berry seed oils could improve the utilization of these potentially high nutritional value oils for human health.
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