4 results about "Phellandrene" patented technology

This invention relates to the field of grain storage technology, and in particular to a natural plant essential oil insecticide composition, its preparation method, and its application. The natural plant essential oil insecticide composition comprises a main active ingredient and co-active ingredients. The main active ingredient includes cinnamaldehyde, allyl isothiocyanate, and cuminaldehyde. The co-active ingredients include 1,8-cineole, β-phellandrene, γ-terpinene, p-cymene, eugenol, α-pinene, linalool, and limonene. By volume percentage, the insecticide composition contains: cinnamaldehyde 15-40%, allyl isothiocyanate 20-40%, and cuminaldehyde 0.5-16.5%. The insecticide composition provided by this invention is made from natural plant essential oils, is stable, safe, environmentally friendly, does not pollute grains, and has an aromatic odor. It has a strong insecticidal effect on pests such as rice weevils in grains and has good application prospects in the field of grain storage.

This invention discloses an efficient method for preparing p-cymene ruthenium iodide dimer. The method uses ruthenium trichloride as the ruthenium source, propylterpinene as the ligand precursor, and an alcohol solvent as the reaction medium. The target product is synthesized efficiently through a two-step continuous reaction. First, ruthenium trichloride and propylterpinene are reacted at a specific temperature to generate a dichloro(p-cymene)ruthenium dimer intermediate. Then, an iodide aqueous solution is added for reflux reaction to complete the replacement of chloride ions with iodide ions. Finally, high-purity p-cymene ruthenium iodide dimer is obtained after simple post-processing. This invention innovatively uses propylterpinene instead of traditional phellandrene, significantly improving the stability and purity of the raw materials and reducing production costs. The one-step integrated process simplifies the operation process, avoids the risk of organic vapor exposure, and improves production safety. Optimized reaction parameters and material ratios achieve a product yield of up to 99.8%, and the process is adaptable to large-scale production requirements.

The present invention addresses the problem of providing a technique for enhancing the complexity of taste of a container-packed beverage.　The problem is solved by containing α-phellandrene at a concentration of 100-10,000 ppb in a container-packed beverage. The alcohol by volume of the beverage may be 0-9 v / v%. The beverage may contain or may not contain a sweetness component. The content of a fruit juice in the beverage may be 13 w / v% or less. The beverage may contain or may not contain carbon dioxide gas.

A standardized balsam fir oil composition is disclosed in which the concentrations of three behavior-modifying terpene isolates are fixed within narrowly defined ranges, alpha-pinene at 14.51%-14.55% by weight, beta-pinene at 27.12%-27.52% by weight, and beta-phellandrene at 8.06%-8.10% by weight, to eliminate natural batch-to-batch variation while maintaining 100% balsam fir oil content. The composition is prepared by extracting each isolate from balsam fir oil, analytically determining target concentration ranges, and re-introducing the extracted isolates to achieve the controlled levels, producing a performance-standardized essential-oil ingredient that delivers predictable rodent-repellent efficacy. This document further encompasses a method of repelling rodents in which the controlled-concentration composition is deployed in a treatment area for up to thirty days, optionally within breathable pouches or other vapor-release carriers, to maintain an atmosphere sufficient to trigger rodent flight responses across a range of environmental conditions.