14 results about "Lemon peel" patented technology

The invention discloses functionalized lemon pectin based on an ethanol fractionation method as well as a preparation method and application thereof. The functionalized lemon pectin is obtained by precipitating the functionalized lemon pectin through an ethanol solution. The preparation method comprises the following steps: extracting lemon pectin from lemon peel through acid extraction and alcohol precipitation; and precipitating the lemon pectin through an ethanol solution to obtain the functional lemon pectin. The pectin with different structures is separated by adopting an acid extraction method and an ethanol grading method, has relatively high antioxidant activity and biological activity for promoting immune cell proliferation, can be applied to maintaining the stability of yoghourt, and provides guiding significance for improving the body health in the form of a food additive.

The invention provides a processing method of polygonatum kingianum decoction pieces, and relates to the technical field of processing of polygonatum kingianum decoction pieces. The processing method mainly comprises the following steps: soaking the polygonatum kingianum yellow wine in an ice-water bath, carrying out pressure-boosting variable-temperature soaking by adopting a mixed solution fermented by mixing lemon peel with a kombucha solution, drying, mixing with the soaked mixed solution, infiltrating, carrying out vacuum drying, drying after steaming, carrying out microwave drying and the like. The defects in the prior art are overcome, the number of times of steaming is effectively reduced, meanwhile, reduction of irritant substances is guaranteed, the content of polygonatum sibiricum polysaccharide is reserved, and the quality of the decoction pieces is comprehensively improved.

There is a need to have novel active agents that act against excessive desquamation of the skin or the scalp, in order to limit and / or prevent desquamation and thereby contribute to skin comfort.SOLUTION: The present invention relates to an alcoholic extract of the peel of Citrus aurantium, to a cosmetic composition comprising such an extract, in particular having a preventive effect on skin desquamation, and to a process for the preparation thereof.SELECTED DRAWING: Figure 1

The application discloses a Leifsonia shinsuensis strain screened from a perfume lemon peel part and a fermentation method for producing green tea aroma substances, and belongs to the technical field of microbial fermentation.The Leifsonia shinsuensis strain is Leifsonia shinsuensis HuaYu-3, which is preserved in the Guangdong Microbial Culture Collection Center on October 15, 2024, and the preservation number is GDMCC No.65270.A fermentation liquid with green tea aroma substances is obtained by using the Leifsonia shinsuensis HuaYu-3 strain to ferment and produce green tea aroma substances.The Leifsonia shinsuensis HuaYu-3 strain can produce green tea aroma substances through biological fermentation, the process is environmentally friendly and controllable, and the complexity and level of natural fragrances can be reproduced.

This invention belongs to the field of fluorescent materials, specifically lemon peel-based multicolor luminescent carbon quantum dots, their preparation, application, and luminescent devices. The preparation method of lemon peel-based multicolor luminescent carbon quantum dots is as follows: lemon peel and formula 1 () are dispersed in a solvent at a weight ratio of 1:0.1~2, followed by a first-stage reaction at 70~100°C, and then solid-liquid separation to obtain a first-stage reaction solution; the first-stage reaction solution is then subjected to a second-stage solvothermal reaction at 160~220°C. By adjusting the weight ratio of lemon peel and formula 1 and the temperature of the second-stage solvothermal reaction, lemon peel-based multicolor luminescent carbon quantum dots are obtained. This invention can efficiently convert waste lemon peel into multicolor carbon quantum dots with tunable fluorescence color and high quantum yield.

This invention relates to a method for preparing a vacuum low-temperature slow-cooked tomato green tea beverage, comprising the following steps: S1, crushing tomatoes to break their skins and release juice; mixing the crushed tomatoes with green tea leaves (preferably Biluochun), flavoring agents (preferably lemon peel), and water, and then placing the mixture into a vacuum-sealed device; S2, evacuating the sealing device to -60 kPa to -80 kPa, and then placing it in a water bath at 60℃ to 70℃ for 1 h to 2 h; S3, after cooling, performing solid-liquid separation, and collecting the filtrate as the tomato green tea beverage. Through the synergistic effect of specific temperature, time, and vacuum, this invention efficiently extracts flavor substances while maximally preserving the floral and fruity aroma of Biluochun and the fruity aroma of tomatoes, avoiding the development of a simmered taste, and resulting in a beverage with a delicate and harmonious taste, free of bitterness.

This utility model relates to a distillation extraction device for extracting essential oil from fragrant lemons, belonging to the field of distillation extraction technology. It mainly includes a placement rack, a distillation tank, a stirring assembly, and a rotary motor. The placement rack is a hollow annular structure. The distillation tank is mounted on the placement rack, with a removable sealing cap at the top. A heating chamber is located at the bottom of the distillation tank, and a distillation chamber is located above the heating chamber. The bottom of the distillation chamber is supported by a mesh plate, and a driven gear disk is located on the outer wall of the bottom of the distillation chamber. The rotary motor is mounted on one side of the distillation tank, and a driving gear disk is located on the output shaft of the rotary motor. The two gear disks mesh and drive each other. The stirring assembly is installed inside the distillation chamber. This utility model solves the problem that fragrant lemon peels usually accumulate together, making it difficult for steam to fully contact them, resulting in poor distillation efficiency and low extraction utilization of essential oils from the lemon peels.

The invention relates to the field of food processing, in particular to a rice prefabricated fermented beverage and a preparation method thereof, and the rice prefabricated fermented beverage is prepared from the following raw materials in parts by weight: 40-60 parts of long-shaped rice, 20-30 parts of glutinous rice, 5-10 parts of Chinese yam, 3-8 parts of poria cocos, 0.3-0.8 part of a compound fermentation strain, 2-5 parts of fructo-oligosaccharide, 1-3 parts of a lemon peel extracting solution, 0.1-0.3 part of edible salt and 100-150 parts of purified water. The compound fermentation strain is formed by mixing saccharomyces cerevisiae, lactobacillus plantarum and rhizopus oryzae according to the mass ratio of 2: 1: 1, indica rice and glutinous rice are matched to balance the taste, meanwhile, two medicinal and edible raw materials including Chinese yam and poria cocos are added, and mucin in the Chinese yam and polysaccharide in the poria cocos have a synergistic effect with a rice fermentation product to improve the nutritional value of the product; fructo-oligosaccharide is used as prebiotics and can promote intestinal health, and the lemon peel extracting solution not only is rich in flavor, but also can adjust the pH value and improve the product stability.

The invention relates to the technical field of nano-medicines, and particularly discloses lemon peel-derived lipid nanoparticles and application thereof in anti-tumor and anti-inflammatory drug delivery. According to the invention, lemon peel is used as a raw material, a natural lipid component is obtained by adopting an ultrasonic-assisted method, and the lemon peel-derived lipid nanoparticles (LP LNPs) with uniform particle size and high encapsulation efficiency are successfully prepared by adopting a solvent injection method. The method is simple and convenient in process and low in cost, raw materials are easy to obtain, and the prepared LP LNPs have good colloidal stability and biocompatibility. A subsequent characterization experiment proves that the LP LNPs has higher cell uptake efficiency and good biological safety. And then adriamycin or naringenin is wrapped in LP LNPs, so that the stability and bioavailability of the medicine can be improved, and finally, stronger anti-tumor and anti-inflammatory effects are realized. Therefore, the polymer has an important potential application value and a wide development prospect in the field of drug delivery.

The invention discloses functionalized lemon pectin based on an electron beam irradiation technology as well as a preparation method and application thereof. The functionalized lemon pectin is obtained by performing electron beam irradiation treatment on lemon pectin. The preparation method comprises the following steps: extracting lemon pectin from lemon peel through acid extraction and alcohol precipitation; and performing electron beam irradiation treatment on the lemon pectin to obtain the functional lemon pectin. The original lemon pectin is degraded by using an electron beam irradiation technology, the structure of the original pectin is changed, the bioavailability is improved, the method is a green, environment-friendly, low-cost and high-yield method for obtaining the small-molecule pectin, and a theoretical basis is provided for comprehensive utilization of the small-molecule pectin.

The invention belongs to the technical field of plant fermentation liquor, and particularly relates to lemon fermentation liquor with a weight reducing effect as well as a preparation method and application of the lemon fermentation liquor. According to the invention, lactobacillus plantarum and lactobacillus acidophilus are utilized to ferment the pulp of the bergamot, which is beneficial to enriching fruity flavor and increasing mellow taste, and avoids nutrient loss; the peel of the bergamot is subjected to enzymolysis by bromelain, and then the enzymatic hydrolysate is fermented by pediococcus acidilactici and rhodotorula, so that special aroma components in the peel are favorably reserved, the layering sense and complexity of subsequent fermentation products are increased, mutual interference between the subsequent fermentation products and active components of pulp is reduced, and the utilization rate of effective active components is increased. Therefore, the prepared bergamot fermentation liquor is comprehensive in nutritional ingredients, good in taste level, high in purity of effective active substances contained in the bergamot fermentation liquor, beneficial to reduction of food intake and capable of being used for preparing weight-reducing products.

The application discloses a compound essential oil composition for improving concentration and enhancing memory and application thereof, and belongs to the technical field of daily-use chemicals. The composition is prepared from rosemary leaf oil, musk grass oil, hot mint oil, blue eucalyptus leaf oil, white orchid leaf oil, methyl 2, 4-dihydroxy-3- (2-hydroxypropyl) benzoate, lemon peel oil, white orchid oil, calamus root extract and angelica root extract according to specific weight percentages, and is added and homogenized in steps according to the order of component viscosity and volatility. Animal experiments prove that the composition can significantly improve the space learning and memory ability of a cognitive impairment model mouse, and the escape latency and invalid exploration behavior of the mouse are significantly reduced. Human efficacy tests show that single sniffing can improve the mean value of the power spectrum density of the brain concentration related beta wave, shorten the Stroop test reaction time, reduce the error rate, and significantly improve the concentration ability. The composition can be prepared into aromatherapy liquid, massage paste and other products, and is used for safely and quickly improving concentration and cognitive function, and has significant application value.

The invention relates to a lemon essential oil extraction method utilizing low-temperature plasma pretreatment and an ultrasonic-assisted water distillation technology. The method aims to improve the extraction efficiency, retain active ingredients, reduce the cost and reduce the environmental influence. Firstly, lemon raw materials are cleaned and diced, then lemon peels are pretreated through a low-temperature plasma technology, cell structures are destroyed, and essential oil release is promoted. Then, ultrasonic-assisted extraction is used, cell walls are further destroyed, and the extraction efficiency is improved; and finally, carrying out water distillation extraction, separation and purification to obtain the lemon essential oil. Compared with the prior art, the method has higher extraction rate and better sensory quality, and an efficient and environment-friendly new technical scheme is provided for the essential oil extraction industry.

The application provides a kind of anti-colitis pectin particles based on electron beam irradiation induction and its preparation method and application, and the preparation method comprises the following steps: extracting pectin precursor from lemon peel;The pectin precursor is treated with a radiation dose of 200 kGy to obtain pectin powder, after re-dissolving, dialysis, drying, anti-colitis pectin particles are obtained.The application aims at the defects of low efficiency, easy pollution and lack of targeting of traditional degradation technology, uses efficient and green electron beam irradiation technology, and selects and confirms the significant advantages of low molecular weight pectin under a certain dose (200 kGy) in repairing intestinal barrier, removing inflammatory factors and regulating intestinal flora abundance.Preliminary evaluation shows that the pectin particles can relieve colitis damage through multiple pathways, and provide technical support for the development of new functional prebiotics.