1 2 propanediol

Manufactured by Maclin Biochemical Technology

Sourced in China

1,2-propanediol is a clear, colorless, viscous liquid chemical compound. It is a diol with the formula C3H8O2. The compound is commonly used as a chemical building block in various industrial and pharmaceutical applications.

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2 protocols using 1 2 propanediol

Extraction of Astragalus Membranaceus Compounds

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A. membranaceus var. Mongholicus was provided by Beijing Tongrentang (Bozhou), Decoction Pieces Co., Ltd. (Bozhou, China) Every sample was ground, dried, and then filtered using an 80-mesh sieve. Choline chloride, 1,3-propanediol, glucose, 1,4-butanediol, lactic acid, ethylene glycol, 1,2-propanediol, oxalic acid, malonic acid, urea, glycerol and anhydrous glucose were purchased from Shanghai Macklin Biochemical Technology Co., Ltd. (Shanghai, China) Other reagents, such as anhydrous ethanol, phenol, trichloromethane, and n-butanol, were purchased from Tianjin Kaitong Chemical Reagent Co., Ltd. (Tianjin, China).

Meng Y., Sui X., Pan X., Zhang X., Sui H., Xu T., Zhang H., Liu T., Liu J, & Ge P. (2023). Density-oriented deep eutectic solvent-based system for the selective separation of polysaccharides from Astragalus membranaceus var. Mongholicus under ultrasound-assisted conditions. Ultrasonics Sonochemistry, 98, 106522.

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Detailed Characterization of Essential Oils

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The information of 60 EOs is listed in Table S1 of supporting information. Lemon eucalyptus EO was purchased from Jiangxi Hualong Plant Flavor Co., Ltd., Ji’an, China; and other EOs were purchased from Guangzhou Yuxitang Cosmetics Co., Ltd. Guangzhou, China. All were pure EOs with no additive.
Benzyl acetate (purity: 95%), 2,2,4,6,6-pentamethyl-heptane (98%), menthol (97%), terpinen-4-ol (95%), cinnamaldehyde (98%), citral (isomers of neral and geranial, 98%), p-menthone (cis-&trans-isomers, 98%) and diethyl phthalate (99%) were purchased from Bidepharm (Shanghai, China). p-Cymene (97%) was purchased from Energy Chemical (Shanghai, China). Limonene (95%), linalool (96%), thymol (99%), carvacrol (98%), eugenol (99%), and β-caryophyllene (90%) were purchased from TCI (Shanghai, China). γ-Terpinene (95%), PEG-40 (HLB value: 13-14; pH value: 5.0-7.0), 1,2-propanediol (99%) were purchased from Macklin (Shanghai, China). α-Terpineol (96%) was purchased from Alfa Aesar (UK). (E)-2-Hexyl- cinnamaldehyde (92%) and DEET (99%) were purchase from Aladdin (Shanghai, China). Diisobutyl phthalate (99%) was purchased from J&K Scientific (Beijing, China). Defibrinated sheep blood was purchased from Rigorous Scientific (Guangzhou, China).

Wu W., Yang Y., Feng Y., Ren X., Li Y., Li W., Huang J., Kong L., Chen X., Lin Z., Hou X., Zhang L., Chen Y., Sheng Z, & Hong W. (2022). Study of the Repellent Activity of 60 Essential Oils and Their Main Constituents against Aedes albopictus, and Nano-Formulation Development. Insects, 13(12), 1077.

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