247 results about "Green fruit" patented technology

The invention discloses a special compound fertilizer for watermelons and a preparation method of the special compound fertilizer. The special compound fertilizer for watermelons comprises the following substances in parts by weight: 10-26 parts of high-quality candy pomace, 2-4 parts of fulvic acid, 1-4 parts of adhesive, 10-28 parts of urea, 8-20 parts of monoammonium phosphate, 2-15 parts of potassium sulfate, 20-30 parts of ammonium sulfate, 1-4 parts of trace elements, 2-5 parts of charcoal and 3-5 parts of traditional Chinese medicine. The preparation method comprises the following steps: grinding the previous substances, uniformly mixing, and granulating, thereby obtaining the special compound fertilizer for watermelons. The special compound fertilizer for watermelons disclosed by the invention has the quick effect of an inorganic fertilizer and also has the long-acting and slow-release effects of an organic fertilizer, the volume weight of the soil is reduced, the granular structure in the soil is increased, the pH value of the soil is regulated, the special compound fertilizer has the effects of effectively expelling insects and sterilizing, the sugar content of the watermelon fruits is improved, and the solid content is increased, so that the yield and quality of the watermelons are improved. Meanwhile, the orchard soil can be improved, the environment is protected, and the special compound fertilizer has wide application prospects in green fruit production.

The invention relates to an okra beverage. The okra beverage comprises the following components in parts by weight: 15 to 20 parts of fresh okra juice, 3 to 5 parts of white granulated sugar, 1 to 2 parts of honey, 0.3 to 0.6 part of a food additive and 0.05 part of edible essence. The food additive is selected from at least one of sorbic acid potassium and vitamin C. The machining process comprises the following steps of: S1, preparing raw materials; S2, preparing filter liquor; S3, diluting the filter liquor; S4, mixing; S5, fixing the volume; and S6, sterilizing and canning. The white granulated sugar can pass through a 120-mesh sieve. The okra beverage has the advantages that the fresh okra green fruits or tender pods adopted as the raw material are pulverized by using a pulping machine, and therefore, the nutrients of the obtained filter liquor are maintained complete, and the taste is not changed; and used preparing equipment is the conventional equipment, the preparing process is simple, the cost is low, and the mass processing of products can be facilitated.

The invention discloses a special compound fertilizer for pear trees and a preparation method thereof. The special compound fertilizer for the pear trees comprises the following materials in percentage by weight: 15-30% of sugar residue, 0.2-2% of borax, 0.5-2% of ferrous sulfate, 0.5-2% of zinc sulfate, 12-25% of urea, 15-25% of monoammonium phosphate, 20-30% of potassium chloride, 2-7% of ammonium sulfate, 1-7.5% of biochar and 3-5% of Chinese medicinal materials. The special compound fertilizer for the pear trees is prepared by grinding the above materials, uniformly mixing and granulating. The special compound fertilizer for the pear trees has both quick-acting characteristic like an inorganic fertilizer and long-acting and slow-release characteristics like an organic fertilizer and has the effects of reducing soil bulk density, expelling insects, killing bacteria, enhancing yield and quality of fruits, improving the soil in an orchard and protecting the environment and has a broad application prospects in production of green fruits.

The invention discloses all-natural green fruit and vegetable washing salt with special effect on heavy metal removal. The fruit and vegetable washing salt is prepared from one or more of the following raw materials: sodium chloride, natural alkaloid, a plant-based surfactant, a preservative, deionized water and an efficient heavy metal complexing agent. Heavy metal ions can cause human headache, dizziness, insomnia, forgetfulness, neurological disorders, joint pain, stones, cancer and the like, daily diet is an important way for the heavy metal ions to enter the body, so removal of heavy metals from surfaces of food materials such as fruits and vegetables is beneficial to human health. The provided washing salt has the advantages that the heavy metal ions are removed on the basis of combination of the demulsification action of the salt, the neutralization effect of alkaloidne substances on pesticide and the decontamination effect of the plant-based surfactant by the aid of part of complexing agent, a synergistic effect is realized, and accordingly, pesticide residues on surfaces of fruits and vegetables are effectively removed, and the heavy metal ions are also efficiently removed.

The present invention relates to a processing process for comprehensive utilization of pomelo green fruit, rejected fruit and fruit peel. Said processing process includes the following steps: using Na2CO3 solution whose mass ratio is 0.5% to wash green fruit or rejected fruit, using milling machine to mill green fruit or rejected fruit to obtain oil and water mixture, filtering and separating oil layer from water layer; pulverizing the residual fruit or pomelo fruit peel to 2-3mm, regulating pH value to 1-2, heating for 0.5-1.5hr at 85deg.C so as to obtain pectin solution; filtering pectin solution by using filter cloth, separating filtrate by using inorganic ceramic membrane, concentrating, adding proper quantity of distilled water to wash pectin concentrate to make its pH value be 2.6-3; spray-drying pectin concentrate directly to obtain powdered pectin product; making penetrating solution obtained after membrane separation be passed through macroporous adsorbing resin to recover pomelo flavone; then utilizing residue to make fermentation, adding nitrogen, phosphorus and potassium inorganic fertilizer to prepare organic-inorganic composite fertilizer.

The invention relates to a method for improving the grade of dried fruits of fructus momordicae, which comprises the following steps: collecting dark green fruits of which the stems are withered and yellow from plants, putting the dark green fruits in a tray in a single layer, placing the tray with the fruits at a ventilating and dry place until the fruits are rip and fruit peels are yellow, then baking the fruits in an oven for 4 to 6 days while controlling the temperature between 45 and 50 DEG C to produce beige, goldenrod yellow, ginger, orange yellow, or brown yellow dried fruits of the fructus momordicae. The method ensures the stability of natural carotenoids, changes the appearance of the dried fruits of the fructus momordicae changing from iron blue or black into beautiful yellow, and greatly reduces the losses of drug effect and nutrients, significantly improves the drug quality and food quality and the flavor of the dried fruits of the fructus momordicae simultaneously, thus the dried fruits of the fructus momordicae is advantageous to market development.

The invention discloses a three-dimensional recycling agriculture mode for mountain planting and raising. The mode comprises a three-dimensional planting region, a three-dimensional raising region and a biological energy source production region, wherein planting wastes of the three-dimensional raising region are provided for the raising region to be used as feed after high-grade plant utilization such as straws and pastures; raising wastes of the three-dimensional raising region and the planting wastes of the three-dimensional raising region are supplied to the biological energy source production region for microbial fermentation treatment; after biogas fluid smashing and filtering, solid organic fertilizers and liquid organic fertilizers are prepared, the organic fertilizers are provided for the planting region to be used as fertilizers through a liquid fertilizer supplemental irrigation system paved in the woodlands, and the three-dimensional planting region and the three-dimensional raising region respectively provide green fruit and vegetable farm products and high-quality animal products such as meat, eggs and milk. The three-dimensional recycling agriculture mode has the advantages that the production capacity of the mountain planting and raising can be greatly improved, the quality of mountain farm products is improved, and the pollution-free green recycling agriculture is realized.

The invention relates to a novel green fruit and vegetable coating preservative, which comprises degraded chitosan and konjac powder, wherein the degraded chitosan is obtained by electron beam irradiation for natural chitosan. The preparation process of the novel green fruit and vegetable coating preservative comprises the following steps of: obtaining the degraded chitosan for later use by electron beam irradiation treatment; dissolving the degraded chitosan in an acetic acid solution with the volume concentration of 1mL / 100mL to be prepared into a chitosan solution with the mass percentage concentration of 0.5-3 percent; dissolving the konjac powder in distilled water to be prepared into a konjac powder solution with the mass percentage concentration of 0.3-1.5 percent, and taking supernate for later use; and mixing the chitosan solution and the supernate of the konjac powder solution according to the volume ratio of 1:1-1:3 to be prepared into the novel green fruit and vegetable coating preservative. The novel green fruit and vegetable coating preservative has a good effect, the preparation process is simple and is easily operated, the cost is low, and the novel green fruit and vegetable coating preservative can be used in large-scale fruit and vegetable fresh keeping.

The invention discloses a bagged green fruit image segmentation method comprising image acquisition for acquiring a fruit image in real time; fruit light normal region extraction for extracting a surface light normal region from the image, namely, first deepening a fruit green region by an image color enhance algorithm, increasing a color distinction between leaves and the fruit light normal region by a contrast enhance algorithm, extracting a contrast-enhanced image from a color-enhanced aberration image, and performing dynamic threshold segmentation and de-nosing treatment; and fruit highlight region extraction for extracting the dominant hue of the image, reconstructing the image by using the dominant hue, and performing subtraction, binaryzation, and de-noising on the reconstructed image and an original image to achieve extraction take the fruit highlight region as a principal thing, and combining the two extracted regions to obtain a complete fruit target region. The method may segment bagged green fruit image, obtains a complete fruit region, and has an important effect on impetus for the practicality of an apple picking robot.

The invention relates to an artificial domestication, planting and cultivation method of wild calotropis gigantean, which comprises the following steps: (1) introducing varieties from different regions; (2) selecting the varieties, culturing seedlings and selecting the seedlings; (3) preparing a planting place and transplanting; (4) managing and protecting; and (5) harvesting and selecting powder-like fruits which have old green fruit outer skins and in non-white color, wherein the calotropis gigantean has the same period for flowers and fruits, the flower and fruit period is 9-11 months, and the calotropis gigantean can be harvested 4-6 times each year. The artificial domestication, planting and cultivation method is mainly used for solving the technical problem of large-scale planting of wild calotropis gigantean plants, and can lead the length of fruit fiber of the calotropis gigantean to reach 30-37mm, become textile fiber raw material which can partially replace cotton fiber and have lower planting cost.

The invention relates to a cultivation and breeding seamless linking circulation mode for promoting ecologic balance. The cultivation and breeding seamless linking circulation mode comprises a planting area, a livestock breeding area, a special cultivation and breeding area and a biological energy production area. Compared with the prior art, the circulation mode provided by the invention is capable of organically combining cultivation, livestock breeding and special cultivation and breeding, wastes such as straw generated in the cultivation industry can be utilized with high values, meanwhile wastes generated in the breeding industry are processed and treated to form an organic fertilizer which can promote the cultivation industry and can be used as a base material for special breeding, effective circulation and seamless linking of cultivation and breeding, the purposes of providing green agricultural products such as fruits and vegetables, pasture, meat, eggs, high-quality animal products and special traditional Chinese medicine materials can be achieved, the agricultural production efficiency can be improved, and the quality of agricultural products can be improved. A mode that companies and farmers are combined can be adopted, a driving effect can be brought into play step by step, and thus good circulation of the mode can be achieved.

Disclosed is a soil conditioner. The soil conditioner is formed by mixing turfy soil, medical stone, wormcast and enzymes. The soil conditioner is easy to manufacture and good in effect, soil can be improved, the soil conditioner can be used in cooperation with biogas slurry, and completely replaces chemical fertilizer to be used, and pollution of the chemical fertilizer to land is fundamentally eliminated. Practical application verifies that the soil conditioner can effectively reduce soil-borne diseases and adjust acid-base equilibrium, and is beneficial to crop growth, the content of mineral substances, beneficial to human bodies, in fruits and vegetables can be remarkably improved, the yield is increased, and production of organic fruits and vegetables, green fruits and vegetables and pollution-free fruits and vegetables is facilitated. The taste of crop planted in soil improved by the soil conditioner is remarkably superior to that of like products sold in the market.

The invention discloses a ginkgo testa pectin extraction method, and aims to provide a novel ginkgo testa pectin extraction method which has the advantages of high product quality and high extraction yield and can implement industrial production. The technical scheme is as follows: the method comprises the following steps: (1) picking ginkgos in the green fruit period (July-September); (2) flushing the ginkgo testae three times, and mashing with a food pulverizer; (3) extracting the mashed ginkgo testae in an extracting solution for 45-120 minutes to obtain pectin; (4) decolorizing the extracted pectin solution with activated carbon; (5) concentrating the decolorized pectin solution through a ceramic ultrafiltration membrane, wherein the concentration percent is 20-50 vol% of the original solution; (6) precipitating the concentrated pectin solution with ethanol; (7) purifying the pectin crude extract by ethanol soaking; and (8) drying the purified pectin at 50-70 DEG C, and pulverizing to obtain pectin powder.

The invention relates to a preparation method of yangtao green fruit wine, comprising the technical steps of mixing materials, extracting, filtering, standing, refiltering and obtaining the finished product. The yangtao green fruit wine prepared by the invention ensures that the nutrient components of the yangtao is fully extracted and utilized, and the yangtao green wine with high or low degrees has limpid and light green chroma, favorable impression and good health-care effect; besides, the variety of the yangtao green fruit wine is increased so as to satisfy the requirements of different consumers.

Disclosed are a device and technology for damage-free hulling and color sorting of tea-oil tree fruit. The device comprises a hulling assembly, a vibrating screen (7), a guide groove (8) and a color sorting separating assembly. The hulling assembly, the vibrating screen (7) and the color sorting separating assembly are connected in sequence. The technology includes the four steps including grading, grinding hulling, separating and color sorting. The device and technology can be used for processing a wide range of tea-oil tree fruit and processing green fruit which is just picked as well as tea-oil tree fruit which has been tedded for one or two days; the tea-oil tree fruit in a wide size range can be sorted by adjusting gaps of grating bars of a cylindrical grating grading mechanism, therefore, the size of the tea-oil tree fruit entering a grinding mechanism can be fixed within a certain range, and grinding efficiency and the grinding effect are improved; because a gap between a grinding wheel and a grinding bottom plate can be adjusted through a gap adjusting mechanism, hulling rate is further improved, and fruit grain damage rate is lowered; the picture processing and control technology is applied to tea-oil tree fruit hulling and fruit nut sorting by using the difference between the color of hulls and the color of fruit nuts, and sorting efficiency is greatly improved.

The invention discloses a shear type wolfberry picking machine, and belongs to the technical field of agricultural machinery. The shear type wolfberry picking machine is composed of a fruit stem cutting unit, a gear transmission unit, an electric control unit and a wolfberry collection unit. A designed divider restrains fruit stems to form a simply supported beam below a branch, and has guiding and clamping functions for enabling wolfberry to enter a cutting area. A divergence structure is designed in the divider, and used for screening green fruits and red fruits. The green fruits are guided out from the side wall of the divider. The red fruits enter the cutting area. Simultaneously, a safe distance between the divider and a blade in the vertical direction is kept, and requirements for the length of the fruit stems of wolfberry are guaranteed. The shear type wolfberry picking machine solves the problems that the wolfberry is difficult to pick, and high in breakage rate, packages of fresh wolfberry are not portable, and labor intensity of picking people is high. The shear type wolfberry picking machine can get rid of topographical limits, adapts to complex operation environment, reduces work strength of labor personnel, and emancipates productive forces. The shear type wolfberry picking machine is simple, portable and small in structure, practical and reliable, and low in cost, improves picking rate and transporting efficiency of the wolfberry, and reduces damage rate of the wolfberry.

The invention provides a method for picking Chinese wolfberries by high-speed air flow and a Chinese wolfberry picking device. The method is high in picking efficiency, simple and convenient to implement and low in degree of damage to green fruits and flowers. The method for picking the Chinese wolfberries includes utilizing the high-speed air flow to blow the Chinese wolfberries to enable ripe Chinese wolfberry fruits to fall off from branches of wolfberry trees. The Chinese wolfberry picking device comprises a frame, ejection pipelines communicated with a compressed air source and used for ejecting the high-speed air flow are arranged on the frame, sliding rods are arranged on the frame, nozzles which can slide along the corresponding sliding rod and swing relatively to the sliding rod are arranged on each sliding rod, and the each nozzle is communicated with an outlet of the corresponding ejection pipeline.

The invention discloses a green fruit recognition method, which comprises the steps of first, acquiring images, extracting R channel component images, and performing median filtering and 8-level grayscale discrete operations for the component images; next, carrying out multi-angle grayscale step-scanning for the 8-level grayscale images, and screening scanning results based on heuristic rules; then fusing a variety of information corresponding to screening results, and generating candidate fruit regions; and finally, voting from the candidate fruit regions based on three aspects which are appearance features and block operations, the number of grayscale step directions and the number of grayscale steps, and determining the final real fruit region in accordance with the majority voting principle. The invention introduces the majority voting decision-making mechanism into the recognition process, and fuses the scene image appearance features and mesh grayscale step features through the mechanism, thereby greatly improving the accuracy and robustness of the recognition method, and dramatically facilitating the overall operation efficiency of a harvesting robot.

The invention discloses an environmental-protection and energy-saving cultivating bag for apples and a preparation method thereof, belonging to the technical field of fruit tree planting. The cultivating bag for apples comprises, from outside to inside, an external paper layer, an intermediate layer and an inner paper layer. The external and inner paper layers of the cultivating bag are made of nano-cellulose paper which is safe and environmental protection material and has high transparency and high flexibility and is renewable and degradable; the prepared cultivating bag for apples has good water resistance performance, good ventilating performance and increases the level of appearance of apples and guarantees the taste and output of apples. When apples are ripe, the cultivating bags can be picked off along with apples and packaged directly and act as package paper for apples, which saves time and lowers cost and becomes an efficient safe and environmental protection measure; wasted fruit bags will not bring pollution or damage to fruits nor effect the health of orchard workers so as to lay a solid foundation for green fruits.

The invention relates to a full-nutrient formula food based on an optimal phytochemical composition and a preparation method thereof. 14 natural food materials are used as main raw materials and a formula and the preparation method of the full-nutrient formula food ensure full nutrient of the food and a certain ratio of phytochemical. The main food materials comprise 11.9 percent of staple food grains (brown rice, whole wheat and oats), 13.6 percent of coarse cereals (corns, millets and soybeans), 33.2 percent of animal non-staple food (lean meat, eggs and milk products), 34.1 percent of fruits (apples) and vegetables (carrots and cauliflowers) and 7.2 percent of other materials. The full -nutrient formula food has the advantages that high-quality ecological unprocessed grains, green fruits and vegetables, animal source food materials and the like are used as basic components and nutritional vectors; the population dietary nutrition supply quantity recommendation standard is used as the foundation; the full-nutrient formula food has both full nutrients and an effect of regulating oxidative damage. When a human body takes in a certain quantity of the food, all the daily physiological requirements and the requirements for regulating the antioxidant function can be met.

The invention discloses fruit and vegetable rice noodles for nourishing the stomach. The fruit and vegetable rice noodles comprise the following raw materials of germ-remained rice, millet, red yeast rice, pumpkin powder, goat milk powder, protein powder, a plant extract, pectin, walnuts, apricot kernels, endothelium corneum gigeriae galli, Chinese cabbages, cranberries, figs, purple perilla, chrysanthemum coronarium, radix codonopsis, black dates, white funguses, coix seeds, rhizoma polygonati, dendrobium officinale, dandelions, dried orange peel, gordon euryale seeds, dried lily bulbs, sweet osmanthus fruits and leaves or roots of tragopogon pratensis. A making technology of the fruit and vegetable rice noodles comprises the following steps of performing soaking; mashing fruits and vegetables to obtain composite fruit and vegetable juice; preparing medicinal liquid; performing grinding to obtain powder; performing pulping; performing ageing and shaping; and performing cutting to obtain strips, performing drying, and performing packaging to obtain the fruit and vegetable rice noodles for nourishing the stomach. The fruit and vegetable rice noodles for nourishing the stomach disclosed by the invention are reasonable in matching of the raw materials in formula, and are rich in various nutrient components necessary for human bodies; and besides, green fruits and vegetables, Chinese herbal medicine components and the plant extract for nourishing the stomach are added, so that the fruit and vegetable rice noodles are rich in nutrition and moderate in mouth feel, have the efficacy of strengthening and consolidating body resistance and nourishing the stomach after being eaten for a long term, and are suitable for general crowds and people having weak spleens and stomachs to eat.

The invention relates to an agricultural biotechnology, discloses a strawberry auxin synthetic rate-limiting enzyme gene FaYUC11 and application in adjustment of fruit sizes, and provides a nucleotide sequence and a protein sequence of the gene. A method for using the FaYUC11 to adjust the fruit sizes comprises the following steps of: constructing a virus induction silent vector of the FaYUC11 gene; and transferring the silent vector in agrobacterium, infecting young green fruits of strawberries by using a micro-injection method, and establishing a transgenosis strawberry strain silenced by the virus induction FaYUC11 gene. The content of free auxin in achenes (seeds) can be reduced through gene silencing; the growth rate of fruits in vertical and horizontal diameters is reduced; simultaneously, the hardness of fruits and the content of soluble solids are influenced; and thus, the gene disclosed by the invention has good application prospect in the aspect of adjusting and controlling the fruit sizes of strawberries, and has important significance on development of functional SNP (Single Nucleotide Polymorphism) molecular markers and breeding of high-quality large strawberries.

The invention discloses a jabuticaba dwarfed potting cultivation method and relates to the technical field of agricultural planting. Jabuticaba flowers and fruits many times in a year, fruits directly grow on the trunk and main branches, both fruits and flowers grow on a same tree, green fruits grow among ripe fruits, and the unique landscape that ripe fruits, green fruits and flowers grow together is amazing. Besides, the tree is evergreen all the year round and beautiful in shape, the tree is not parasitized by scale insects and aphid, the tree is particularly suitable as a potted landscape and a garden tree, the jabuticaba tree growing naturally is very tall, the tree and the crown can reach 10-12 m tall, and the tree is not suitable for growing on a common balcony or in a room. By means of the jabuticaba dwarfed potting cultivation method, the potted jabuticaba tree which is 70-80 cm high and good in ornamental appearance can be cultivated within 3 years.

The invention relates to a fruit and vegetable beverage formula and an application thereof. The formula is prepared by green fruit juice, lotus leaf juice, rhizoma imperatae juice and other additives, the formula is beneficial to human body radiation protection, one or more than one type of vitamin A, vitamin B1, vitamin B2, vitamin B6, vitamin B12 and vitamin C can be added in the formula, one or more than one type of blueberry juice, orange juice, strawberry juice and cherry juice can be added in the formula, and one or more than one type of Chinese herb extracts of chrysanthemum, honeysuckle, folium mori, fructus lycii, polygonatum kingianum, mulberry and orange peel can be added in the formula.

The invention discloses a silver-loaded nano-TiO2 antimicrobial preservation method of Nanfeng mandarin oranges, which comprises the following steps: preparing a high-activity inorganic nano-antibacterial agent, namely silver-loaded nano-TiO2 powder without toxicity or side effects into a preservation solution, performing film coating preservation on the surfaces of the Nanfeng mandarin oranges or placing freshly picked ripe Nanfeng mandarin oranges into the preservation solution for impregnation, getting a layer of dense protective film, and actively preventing and killing pathogenic bacteria. By adopting the method, original various nutritional ingredients in the Nanfeng mandarin oranges can be effectively preserved, original luster and flavor of the Nanfeng mandarin oranges can be kept, the Nanfeng mandarin oranges can be stored for a long time without peculiar smell, the preservation period can be further prolonged, the preservation effect of the Nanfeng mandarin oranges can be ensured, and the method is in line with the current research and development direction of novel green fruit and vegetable preservation agents. Silver-loaded nano-TiO2 has broad-spectrum antimicrobial and sterilizing functions, and can inhibit propagation and derivation of the pathogenic bacteria on the surfaces of fruit peels, realize a good antimicrobial effect, greatly reduce the rotting rate, prolong the preservation period of fruits, and further fully ensure the fruit quality of the Nanfeng mandarin oranges during the storage period.

The invention discloses a fertilizing method for increasing the content of selenium in flaxseeds and a production method for flaxseeds. Micro element fertilizer containing selenium is selected as nutrient substance of selenium-rich flaxseeds, the fertilizing way is as follows: fertilizer spraying to leaf surfaces of flax before 11:00 Am and 15:00 Pm in a clear and calm weather, during the use, firstly, the micro element fertilizer containing selenium, with the dose recommended for 667 m<2>, is resolved by a little water, and then added with 30 kg water for stirring, and a sprayer is used for uniform spraying. The fertilizing amount, the fertilizing time, the fertilizing frequency and the fertilizing effect are as follows: in the green fruit stage of the flax, if 1000 ml to 1500 ml of micro element fertilizer containing selenium is sprayed for 667 m<2>, the content of the selenium in flaxseeds can reach 0.2 mg / kg to 0.3 mg / kg, if 2000 ml to 2500 ml micro element fertilizer containing selenium is sprayed for 667 m<2>, the content of the selenium in flaxseeds can reach 1.5 mg / kg to 1.8 mg / kg; and the micro element fertilizer containing selenium is sprayed for one time in each of the green fruit stage and the bud stage, 2000 to 2500 ml micro element fertilizer containing selenium is sprayed for 667 m<2>, and the content of selenium in flaxseeds can reach 2.1 to 2.9 mg / kg.

The invention discloses a green fruit and vegetable cleaning agent for removing residual pesticide. The cleaning agent comprises the following ingredients in percentage by mass: 10-30% of alkyl glucoside, 2-5% of polyoxyethylene isosorbide monooleate, 1-4% of citric acid, 1-4% of malic acid, 0.5-2% of grapefruit seed extract, 0.5-2% of honeysuckle extract and the balance being sterile water. The cleaning agent disclosed by the invention is green and safe; the adopted main ingredients are non-pollution, innocuous and un-poisonous, and are free from pollution on both human and environment, and meet requirements of current green agricultural products on circulation development. The cleaning agent disclosed by the invention is remarkable in effect. Through experimental treatment, the cleaning agent can significantly remove various pesticide residues and pathogenic bacteria on the surfaces of fruits and vegetables; when used reasonably, the cleaning agent can remove more than 99% of pesticide residues and pathogenic bacteria on the surfaces of fruits and vegetables, thus guaranteeing safety of fruit and vegetable products.