Abstract：In order to find out the constitute forms of lavenderessential oil-β-cyclodextrin inclusion complex and the process of release of lavenderessential oilwith temperature changes, we used Fourier transform infrared spectroscopy (FTIR) method to compare and analyze lavender essential oil (LO), β- cyclodextrin (β-CD) and lavender essential oil microcapsule (LOM), while the infrared spectral changes of release process at different temperatures of the oil in microcapsulewas analyzed, andthe principal component method was further used to explore the physical and chemical stability and release process of LO after it was entrapped by β-CD. The results showed that comparative analysis by infrared spectroscopy, characteristic peaks of LO embedded had redshift peak and its peak shape became wider, which mainly affected by the formation of molecular hydrogen bonds , p-π conjugate phenomenon and the spatial structure of β-CD; in addition, we set temperature range from 25 to 95 ℃, the temperature interval of 10 ℃, and then determined LOM by IR spectrum to test and verify physical and chemical stability and release conditions of LO which was embedded by β-CD. The results demonstrated that, water molecule inLOM hydrate was easily lost and the essential oil component of LOM was in stable physical and chemical properties, and the amount of escaping for LO at 95 ℃ was less than 6.5 percent when the release was slow; through IR spectra data of variable temperature was analyzed under principal component analysis (PCA), We may find that the cumulative variance of the first two principal components was 99.3%. And PC1 ingredient could be considered as the characteristic variable of β-CD and PC2 component was the characteristic variable of LO by principal component load analysis. The result showed that the release of ester from LOM was faster than alcohol. It was simple and efficient by using infrared analysis method to have a comprehensive understanding on the physical and chemical stability and the release process of the embedded oil, and it will provide a new theoretical support for the study on the release process of lavender essential oil microcapsule.
管雪丽，符继红，唐 军1* . 薰衣草精油微胶囊释放过程的红外光谱研究 [J]. 光谱学与光谱分析, 2017, 37(01): 65-69.
GUAN Xue-li, FU Ji-hong, TANG Jun1* . Study on the Release Process for Lavender Essential Oil Microcapsule by FTIR . SPECTROSCOPY AND SPECTRAL ANALYSIS, 2017, 37(01): 65-69.
[1] CHEN Ji-luan, SONG Li-jun, ZHANG Yun, et al(陈计峦，宋丽军，张 云，等). Food Science and Technology(食品科技), 2009, 34 (4): 105. [2] ZHANG Yi-yu, WANG Lu, C. Campagne(张艺于，王 璐，C.Campagne，等). Journal of Textile Research(纺织学报), 2008, 29 (9): 94. [3] LIU Wen-ni, ZHANG Zhong, BI Yang, et al(刘文妮，张 忠，毕 阳，等). Food Science(食品科学), 2014, 35(18): 17. [4] CHEN Yan, CHEN Ji-luan, TIAN Jin-hu, et al(陈 燕，陈计峦，田金虎，等). The Food Industry(食品工业), 2014, 35(4): 32. [5] Hazal Turasan, Serpil Sahin, Gulum Sumnu. LWT-Food Science and Technology, 2015, 64: 112. [6] Ciobanu A, Mallard I, Landy D, et al. Food Chemistry, 2013, 138: 291. [7] Isabel M Martins, Sofia N Rodrigues, Maria F Barreiro, et al. Industrial &Engineering Chemistry Research, 2011, 50: 13752. [8] CHENG Jian-hua, SHEN Hong-xue, ZHANG Peng, et al(程建华，谌宏学，张 鹏，等). Flavour Fragrance Cosmetics(香料香精化妆品), 2014, (6): 17. [9] Luciana P Fernandes, Oliveira W P, Sztatisz J, et al. Journal of Thermal Analysis and Calorimetry, 2008, 94(2): 461. [10] YONG Guo-ping，LI Guang-shui，ZHENG Fei, et al(雍国平，李光水，郑 飞，等). Chemical Journal of Chinese Universities(高等学校化学学报), 2000, 21(7): 1124. [11] GUO Guo-yun, SUN Run-guang, GUO Qi, et al(郭国赟，孙润广，郭 琦，等). Plant Science Journal(植物科学学报), 2012, 30(4): 423. [12] Del C L Toro-Sanchez, Ayala-Zavala J F, L. Machi, et al. J. Incl. Phenom. Macrocycl. Chem., 2010, 67: 431. [13] PU Wen, XUE Gui-peng, WANG Yun-fei(蒲 文，薛桂蓬，王云飞). Xinjiang Journal of Traditional ChineseMedicine(新疆中医药), 2010, 28(4): 54. [14] Malcolm Allan Kinninmontha, Christopher Mark Liauw, Joanna Verran, et al. Applied Clay Science, 2013, 83-84: 415. [15] TANG Jun, WANG Qing, WANG Qiang(唐 军, 王 青, 王 强) . Chinese Traditional and Herbal Drugs(中草药), 2011, 42(6): 1213. [16] WANG Qing, TONG Hong, TANG Jun(王 青，童 红，唐 军). The Journal of Light Scattering(光散射学报), 2013, 25(4): 410. [17] LIAO Xiang, WANG Qing, FU Ji-hong, et al(廖 享，王 青，符继红，等). Spectroscopy and Spectral Analysis(光谱学与光谱分析), 2015, 35(9): 2526.
