roots of Euphorbia kansui
GNE 410/Microse/amerfand/D(+)-Sucrose/SACCHARUM/sugar powder/SUGAR/Micr/Sugartab/SUCROSE/Surose/Amerfond/α-D-Glc-(1→2)-β-D-Fru
697.1±55.0 °C at 760 mmHg
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provides coniferyl ferulate(CAS#:57-50-1) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of coniferyl ferulate are included as well.>> amp version: coniferyl ferulate
Caproic acid (CA) was produced by Megasphaera elsdenii T81 with Jerusalem artichoke tubers (JA) as a feedstock. More CA was produced under the medium with the acid hydrolysate of JA than the comparative medium with a carbon composition similar to that of JA. CA was produced up to 13.0 g/L and 0.52 g/L/h with extractive fermentation using a mixed solvent of alamine 336 in oleyl alcohol at 37 °C. The JA cost to produce 1 ton of CA is only 505 USD, which is much lower than that required for purchasing sucrose (860 USD) in CA production. As a result of the analysis performed using SuperPro Designer, including the cost of distillation to obtain pure CA, the estimated production cost for CA from dry JA is 1869 USD/ton CA at the production scale of 2000 ton/year, which is lower than the current market price for petroleum-derived CA (~2500 USD/ton).
Copyright © 2020 Elsevier Ltd. All rights reserved.
Caproic acid; Extractive fermentation; Jerusalem artichoke; Megasphaera elsdenii
Impact of feedstocks and downstream processing technologies on the economics of caproic acid production in fermentation by Megasphaera elsdenii T81.
Kim H1, Choi O1, Jeon BS2, Choe WS3, Sang BI4.
The three sweeteners, aspartame, acesulfame potassium, and sucralose, in chewing gum were determined by using dialysis and direct extraction methods. The results revealed that the previously reported dialysis method tended to show poor extraction of aspartame in comparison with the direct-extraction method. The direct extraction also caused operational problems, such as the gum base adhering to the instruments. Therefore, we attempted to improve the dialysis method by changing the dialysate, to which the three sweeteners were extracted while the sample stayed inside the dialysis tube. By changing the dialysate to 60% methanol and dialyzing for 24 hr at room temperature or 2 hr with shaking while heating at 50℃, all three sweeteners were extracted as good as those with the direct-extraction method.
HPLC; LC-MS/MS; acesulfame potassium; aspartame; chewing gum; dialysis; sucralose; sweetener
[Determination of Aspartame, Acesulfame Potassium, and Sucralose in Chewing Gum by Dialysis Extraction].
Sasaki T1, Tahara S1, Sakamaki N1, Sadamasu Y1, Ushiyama K1, Monma K1, Kobayashi C1.
Bactrocera dorsalis (Hendel) is a notorious insect pest that attacks diverse vegetables and fruits worldwide. The sterile insect technique has been developed as an environmentally friendly and effective control method that depends on the mass production of target flies. Because dietary yeast (protein) and sucrose (carbohydrate) are important in adult diets, yeast:sucrose (Y:S) mixtures are crucial for the mass-rearing of B. dorsalis. In this study, we found adult diets with different ratios of yeast to sucrose-influenced fecundity, and an extremely high or low Y:S ratios significantly decreased egg production of B. dorsalis. Additionally, the maximum oviposition efficiency was realized at dietary yeast to sucrose ratios of 1:1 and 1:3, suggesting their potential use to produce more eggs for the mass production of B. dorsalis. Here, new gel diets having different yeast concentrations (g/L water) were also assessed for rearing B. dorsalis larvae. Gel diets containing 20 g/L yeast led to a higher pupation, pupal weight and adult eclosion rate, and a shorter developmental time than other yeast concentrations. Moreover, the present gel diet also resulted in greater pupal production and adult emergence rates than previously used liquid and solid artificial diets, revealing that it is suitable for rearing B. dorsalis larvae. This research provides a useful reference on artificial diets mixtures for mass rearing B. dorsalis, which is critical for employing the sterile insect technique.
© The Author(s) 2020. Published by Oxford University Press on behalf of Entomological Society of America.
Bactrocera dorsalis ; dietary yeast; fecundity; larval development; sterile insect technique
Assessment of Bactrocera dorsalis (Diptera: Tephritidae) Diets on Adult Fecundity and Larval Development: Insights Into Employing the Sterile Insect Technique.
Hou QL1,2, Chen EH1, Dou W1, Wang JJ1.
2020 Jan 1;
Sucrose is a disaccharide which is composed of two monosaccharides, glucose and fructose.