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786 results about "Citrus fruit" patented technology

A citrus fruit is a juicy fruit with a sharp taste such as an orange, lemon, or grapefruit.

Method for extracting citrus pericarp essential oil

The invention discloses a method for extracting citrus pericarp essential oil, which comprises the following steps: selecting fresh citrus pericarps, removing the white pericarp layer until the pericarp thickness is 0.1-0.2cm, mincing, repeatedly freezing and thawing for 2-5 times, preparing a compound enzyme from pectinase and cellulose at a mass ratio of (1-6):1, preparing an enzyme solution, mixing the pretreated citrus pericarp particles with the compound enzyme solution, and performing enzymolysis in a dark place for 5-30min; and performing condensation and reflux extraction of the hydrolyzed citrus pericarps with n-hexane, and removing n-hexane to obtain essential oil. The method disclosed by the invention adopts a physical process of repeated freezing and thawing to conduct initialbreak of cell walls of citrus pericarps, and then performs enzymolysis of the citrus pericarps with the compound enzyme, so as to greatly increase the extraction rate of citrus pericarp essential oil. The method also has the following advantages: the extraction process is simple, the natural fragrance is less damaged, and the use value of the citrus processing byproduct - citrus pericarps - can be utilized to a maximum extent. The essential oil extracted using the method disclosed by the invention has pure texture and has the natural fragrance of citrus fruits.
Owner:ZHONGKAI UNIV OF AGRI & ENG

Method for detecting citrus fruits on tree

The invention relates to a method for detecting citrus fruits on a tree. The method comprises the steps that the local and global information entropies are combined to analyze the illumination distribution characteristic of an image, and a local block homomorphic filtering algorithm is used to process illumination unevenness of the image; an adaptive enhanced RG color difference method is used toimprove the contrast between a foreground target and the background; threshold segmentation and a mathematical morphology method are used to realize the binarization of an RG chromatic aberration diagram; for the problem of multi-fruit adhesion or mutual occlusion in an acquired binary image, marker-controlled watershed transformation is used to realize adhesion region segmentation; a convex hulltheory is used to solve the problem of region under-segmentation caused by occlusion to acquire an independent candidate citrus fruit region; the histogram description feature of the candidate citrusfruit region is extracted; and citruses are identified by a histogram cross-core support vector machine to complete fruit location. According to the technical scheme provided by the invention, the accuracy and reliability of the detection of the citrus fruits on the tree are improved.
Owner:ZHONGKAI UNIV OF AGRI & ENG

A method for simultaneously preparing nutritious fruit powder and white wine or alcohol by fermenting fruits and vegetables

The invention provides a method of preparing nutrient fruit powder and liquor or alcohol at the same time as fruit and vegetable fermentation, which comprises the following flow of: fruits - cleaning - juicing and enzymatic hydrolysis - centrifugation and filtration - fruit juice blending - alcohol fermentation and simultaneous enzyme debittering treatment - yeast autolysis - alcohol distillation- spray drying. the invention adopts low-value inferior citrus, apples, watermelons, grapes, tomatoes, strawberries, and pears as raw materials, treats the fruits by compound enzyme of pectase and cellulase, degrades naringin of citrus fruits by naringinase, solves the key technology of citrus debittering and juice yield, and obtains highly fermentable sugar; then by using specific microbial strains, the invention maintains the effective active components of the fruits and vegetables as much as possible through high-efficient fermentation technology; the product has no bitter taste, and has greatly increased contents of vitamin, pectic oligosaccharides, and amino acids; the invention realizes the stabilization of bioactive substances, and prepares edible natural fruit and vegetable powderwith certain physiological functions; the invention further adopts the distillation and rectification technology, gains high-quality liquor and high-concentration alcohol, and reduces cost.
Owner:重庆檬泰生物科技有限公司
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