Comprehensive evaluation on volatile components in ozone and ultraviolet combined treatment Lycium barbarum based on principal component analysis was written by Gong, Yuan;Wang, Xu;Liao, Ruo-yu;Xu, Meng-xia;Liu, Dun-hua. And the article was included in Shipin Gongye Keji in 2015.Application In Synthesis of 2-Butyl-2-ethylpropane-1,3-diol The following contents are mentioned in the article:
In order to study on the effects of volatile components in ozone and UV combined treatment Lycium barbarum, the volatile components in samples with different processing methods were extracted by headspace-solid and anal. by gas chromatog. mass spectrometry (GC-MS). The anal. and evaluation on the volatile components by the principal components anal. (PCA) and cluster anal. (CA). The results indicated that seventy-eight volatile components were identified from Lycium barbarum with different processing methods, including 14 kinds of esters, 21 kinds of alcs., 16 kinds of olefins, 15 kinds of ketones, 5 kinds of aldehydes, 3 kinds of acids, 4 kinds of ethers and HCAS. Ten volatile components were common to these Lycium barbarum samples. PCA anal. identified 42 main volatile components. Combining with clustering anal. comprehensive evaluation that the flavor of volatile components descending order was after of combined treatment of Ozone and UV drying Lycium barbarum>after of combined treatment of Ozone and UV and vacuum dried Lycium barbarum>dried Lycium barbarum>fresh Lycium barbarum. This study involved multiple reactions and reactants, such as 2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4Application In Synthesis of 2-Butyl-2-ethylpropane-1,3-diol).
2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4) belongs to alcohols. The oxygen atom of the strongly polarized O―H bond of an alcohol pulls electron density away from the hydrogen atom. This polarized hydrogen, which bears a partial positive charge, can form a hydrogen bond with a pair of nonbonding electrons on another oxygen atom. The most common reactions of alcohols can be classified as oxidation, dehydration, substitution, esterification, and reactions of alkoxides.Application In Synthesis of 2-Butyl-2-ethylpropane-1,3-diol
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