[1]史久洲,姬晓悦,陈继超,等.SPME/GC-MS分析不同产地枫香树脂中挥发性成分[J].南京林业大学学报(自然科学版),2020,44(05):239-244.[doi:10.3969/j.issn.1000-2006.201903072]
 SHI Jiuzhou,JI Xiaoyue,CHENG Jichao,et al.An investigation of volatile components in Liquidambar resin from different areas using SPME/GC-MS[J].Journal of Nanjing Forestry University(Natural Science Edition),2020,44(05):239-244.[doi:10.3969/j.issn.1000-2006.201903072]
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SPME/GC-MS分析不同产地枫香树脂中挥发性成分
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
44
期数:
2020年05期
页码:
239-244
栏目:
研究论文
出版日期:
2020-09-23

文章信息/Info

Title:
An investigation of volatile components in Liquidambar resin from different areas using SPME/GC-MS
文章编号:
1000-2006(2020)05-0239-06
作者:
史久洲1姬晓悦2陈继超1卢 雯13徐 莉134*
(1.南京林业大学理学院,江苏 南京210037; 2.南京林业大学现代分析测试中心,江苏 南京210037; 3.南京林业大学材料 物理与化学研究所,江苏 南京 210037; 4.机电产品包装生物质材料国家地方联合工程研究中心,江苏 南京 210037)
Author(s):
SHI Jiuzhou1 JI Xiaoyue2 CHENG Jichao1 LU Wen1 3 XU Li1 3 4*
(1.College of Science, Nanjing Forestry University, Nanjing 210037, China; 2. Advanced Analysis and Testing Center, Nanjing Forestry University, Nanjing 210037, China; 3. Institute of Material Physics and Chemistry, Nanjing Forestry University, Nanjing 210037, China; 4.National-Provincial Joint Engineering Research Center of Electromechanical Product Packaging with Biomaterials, Nanjing 210037, China)
关键词:
枫香树脂 固相微萃取(SPME) 气相色谱-质谱联用 成分分析
Keywords:
Liquidambar resin solid phase microextraction(SPME) gas chromatography-mass spectromentry(GC-MS) component analysis
分类号:
TS225
DOI:
10.3969/j.issn.1000-2006.201903072
文献标志码:
A
摘要:
【目的】通过比对分析5个产地枫香树脂挥发性成分的组成及质量分数,为进一步开发利用枫香树脂资源提供数据支持。【方法】选择相同月份5个不同产地的枫香树脂为原料,通过固相微萃取技术(SPME)对枫香树脂中挥发性成分进行提取,利用气相色谱-质谱联用(GC-MS)进行分离鉴定、质谱定性,最终通过峰面积归一化法求得各组成成分的质量分数。【结果】5个产地的枫香树脂挥发性成分中共解析出64种可能的化合物,在广西桂林(GG)、广西百色(GB)、广西隆林(GL)、江西九江(JJ)、福建顺昌(FS)枫香树脂的挥发性成分中分别鉴定出44、41、44、37和32种化合物。5种枫香树脂的挥发性成分主要为烯烃类化合物,其中以萜类化合物为主,质量分数的均值为84.33%。其中GG的枫香树脂萜类化合物质量分数最高(91.96%), JJ枫香树脂的质量分数最低(66.26%)。5个产地的枫香树脂挥发性成分及质量分数具有较大的差异。5个产地的枫香树脂共有的挥发性成分为β-石竹烯、α-蒎烯、β-蒎烯、D-柠檬烯以及樟脑烯,这几种挥发性成分的质量分数在5个产地枫香树脂的挥发性成分中差异明显。β-石竹烯在GG、GB枫香树脂中的质量分数较高,分别为23.45%和25.39%; α-蒎烯在GL、JJ及FS的枫香树脂中的质量分数最高,分别为18.32%,23.12%和20.96%; β-蒎烯在GL和JJ的枫香树脂中的质量分数较高, 分别为15.6%和15.45%; D-柠檬烯在JJ和FS枫香树脂中的质量分数较高,分别为12.69%和10.21%; 樟脑烯在FS和JJ枫香树脂中的质量分数均较高,分别为11.40%、8.18%。【结论】5个产地的枫香树脂挥发性化学成分以萜类化合物为主,化合物成分组成及其质量分数差异明显
Abstract:
【Objective】Resins from Liquidambar formosana Hance, known as Chinese sweet gum, is an important Chinese medicinal material with numerous beneficial effects including hemostasis and muscle, detoxification and pain relief. It is an oil-containing resin secreted by Liquidambar trees after trauma, and has numerous biological actions including anti-cancer, anti-inflammatory and analgesic effects. However, it is seldom processed and utilized in China, and, at present, is mainly exported. In order to improve the rationalization of the utilization and quality appraisal of Liquidambar resin, the composition and mass fraction of volatile components of resins from five areas were analyzed and compared. The results provide data to support a high-value utilization of Liquidambar resin.【Method】 Traditionally, volatile component extraction methods have mostly involved steam distillation. However, this usually consumes large amounts of raw materials, takes a long time, requires complex operations, and brings about decomposition of components due to the high temperature involved. Solid phase microextraction(SPME)is an advanced sample pretreatment technology that uses coated quartz fibers to extract volatile components, and release adsorbed volatile components for an analysis after heating. The advantages of SPME include simplicity, convenience, lower cost, ease of automation and high sensitivity. Moreover, it does not require the use of organic solvents during the extraction process, consequently it is an eco-friendly analysis method. In addition, it can be directly used with gas chromatography-mass spectrometry(GC-MS). In this study, SPME/GC-MS was employed to analyze Liquidambar resin samples from five different areas: Guilin Guangxi(GG), Baise Guangxi(GB), Longlin Guangxi(GL), Jiujiang Jiangxi(JJ)and Shunchang Fujian(FS). The SPME technique was used to extract volatile components from the resin samples and GC-MS was used for a component separation and identification. For extraction of components, a resin sample was placed in an Erlenmeyer flask which was sealed with plastic wrap. The extraction head was then inserted into the flask and positioned 5 cm away from the surface of the resin sample. Extraction was carried out for 40 min, followed by desorption at 250 ℃ for 3 min in preparation for the GC-MS analysis. The GC conditions were set as: DB-5MS capillary column(30 m × 0.25 mm× 0.25 μm); column flow rate: 1.00 mL/min, carrier gas mode: constant flow, sampling mode: split flow injection(split ratio 50:1), carrier gas: He(99.999%), inlet temperature: 250 ℃, and column initial temperature: 40 ℃. The temperature was programmed to increase to 100 ℃ at 5 ℃/min, and to 250 ℃ at 10 ℃/min. The peak area normalization method was employed to calculate the mass fraction of each component. The MS conditions were set as: EI ion source: electron energy 70 eV, ion source temperature: 250 ℃; mass spectrometer transmission line temperature: 250 ℃, and scanning range 45-450 amu. The solvent delay time was 0.5 min. The operating system was the Xcalibur software and the probable structures of the components, and the other related information was obtained with reference to the National Institute of Standards and Technology(NIST)of the United States database.【Result】Through SPME/GC-MS, a total of 64 probable compounds were identified from the volatile resin components, and 44, 41, 44, 37 and 32 of these compounds were identified in the volatile components extracted from the GG, GB, GL, JJ, and FS samples, respectively. The volatile components mainly included olefins, aldehydes, ketones, alcohols, ethers and alkanes. Among these, the olefin content was the highest(76.69%-92.07%). Terpenoids including β-caryophyllene, α-pinene, β-pinene, D-limonene and camphene were the main olefin components. The highest terpenoid content was 91.96%(GG)and the lowest was 66.26%(JJ). The order of terpenoid mass fractions in resins from the five areas was GG > GL > FS > GB > JJ. β-caryophyllene was the main terpenoid component and contributed 23.45% and 25.39% of the volatile components in the resins from GG and GB, respectively, but only 1.52% in the resin from JJ. The mass fractions of α-pinene in resins from GL, JJ and FS were 18.32%, 23.12% and 20.96%, respectively, but only 10.48% in volatile components of resin from GB. The content of β-pinene in volatile components of resins from GL and JJ was high(15.60% and 15.45%, respectively)but in resin from GB was low at only 10.27%. The mass fractions of D-limonene in resins from JJ and FS were higher(12.69% and 10.21%, respectively)than in resins from the other three areas which were less than 10%. The mass fractions of camphorene in volatile components of resins from FS and JJ were 11.40% and 8.18%, respectively, but only 3.35% in resin from GB. Thus it is evident that the composition and mass fractions of volatile components in resins from the five areas were significantly different.【Conclusion】The composition and mass fractions of volatile components of Liquidamber resins were analyzed by SPME/GC-MS. The SPME/GC-MS approach can be used effectively to identify the volatile components and some of the trace substances in the volatile components of Liquidambar resin from different areas. There were significant differences in the composition and mass fractions of volatile components of Liquidambar resin from the different areas, which may provide data to support the high-value utilization of this medicinal resource. For example, to obtain α-pinene, resins from FS, JJ and GL could be used as a raw material. To isolate β-pinene, resins from GL, JJ and FD would be suitable choices. If β-caryophyllene was the target, the Guangxi Liquidambar resin could be used as a raw material. This study showed that using SPME/GC-MS technology has advantages including lower dosage, less damage to samples, simple and rapid operation, high detection sensitivity, and high reliability, and that it is suitable for the quality evaluation and origin identification of Liquidambar resin. Using of this technology could be extended to the analysis of volatile components of the other substances including other resins, essential oils, flowers, and even tree barks

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备注/Memo

备注/Memo:
收稿日期:2019-03-26 修回日期:2019-10-11 基金项目:国家重点研发计划(2017YFD060070602); 江苏高等学校优势学科建设工程资助项目(PAPD)。 第一作者:史久洲(1159642457@qq.com)。*通信作者:徐莉(xuliqby@njfu.com),教授,ORCID(0000-0002-4038-645x)。
更新日期/Last Update: 1900-01-01