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47 results about "Grape berry" patented technology

A grape is a fruit, botanically a berry, of the deciduous woody vines of the flowering plant genus Vitis.

Low-temperature extended maceration method suitable for making dry red wine from plateau wine making grapes

The invention discloses a low-temperature extended maceration method suitable for making a dry red wine from plateau wine making grapes. The method comprises pre-fermentation cold maceration, alcohol fermentation and post-fermentation postmaceration, and specifically comprises the following steps: 1) crushing picked red wine making grape raw materials, removing stalks to obtain fruit pulp, pumping into a fermentation tank while adding food grade sulfurous acid and pectinase, filling CO2 into the fermentation tank for oxygen exclusion, homogenizing through pump circulation, and performing cold maceration on the fruit pulp at 6-10 DEG C for 3-4 days; 2) after the cold maceration is completed, adding Saccharomyces cerevisiae, and performing alcohol fermentation; 3) when the specific gravity is reduced to 996g/L and the reducing sugar is 2g/L, entering the post-fermentation postmaceration without performing wine-liquid separation; and 4) after the postmaceration is completed, performing wine-liquid separation to perform malic acid-lactic acid fermentation. By adopting the long-time pre-fermentation cold maceration and post-fermentation postmaceration method, the maceration time of grape berries is sufficiently extended, so that abundant phenol substances and aromatic substances in plateau wine making grapes can be effectively extracted out.
Owner:甘孜州康定红葡萄酒业有限公司

Treatment method applicable to delayed harvesting of ice grapes in northeast China

The invention relates to a treatment method applicable to delayed harvesting of ice grapes in northeast China. The method comprises the steps that before fruiting branches are separated from main vines, boric acid, monopotassium phosphate and praline are sprayed on grape leaves, and the grapes are watered thoroughly once in the last ten-day period of September; in mid-to-late October, after the grape leaves wither completely for 8-10 days, the fruiting branches are sheared from the main vines, the two ends of each fruiting branch are respectively sleeved with a plastic bag, and grape berries can not be sleeved with bags; the fruiting branches sleeved with the bags are hung on grape trellises, the main vines are taken down from the grape trellises and laid on the ground for covering soil and conducting overwintering protection; the grape berries are aired according to changes of natural lighting and temperature; in the middle ten days of December, when the highest temperature is minus 8 DEG C and the lowest temperature is minus 18 DEG C, the grape berries are stabilized for 24-48 hours, and the grape berries on the fruiting branches are collected. By the adoption of the method, the harvesting time can be prolonged, the requirements of icewine brewing for quality of the grape berries are met, and the fruiting main vines can be protected to overwinter successfully.
Owner:浙江知多多网络科技有限公司

Pollution-free cultivation method for Kyoho grape

The invention relates to the technical field of grape cultivation and specifically provides a pollution-free cultivation method for Kyoho grape. The method comprises the following steps: cutting grape spike tips before blooming, removing subsidiary spikes and overlong spikelets on upper grape branches and applying a proper amount of fertilizer per mu; beginning bud picking when winter buds in main grape vines germinate to about 2 cm; carrying out tertiary branch selection for grape trees when new shoots grow to 4 to 5 leaves; carrying out grape thinning and grape cluster management before grape berry enlarges; after the grape cluster management, dipping grape clusters into broad spectrum insecticide and bactericide; and then carrying out air drying and carrying out bagging with special paper bags. The grape cultivated by using the cultivation method provided by the invention has the following advantages: rain resistance is obtained; grape cracking is alleviated; propagation of disease and pest damage is prevented; coloring of the grape clusters is uniform; grape surface is clean; grape powder is integral; grape bearing rate and output are enhanced; weight of the grape clusters is increased; the grape clusters are neat and have large sizes; mature period is advanced; total usage amount of the insecticide and bactericide is reduced by more than 30% during cultivation; and grape berry can meet the requirement for no toxicity and harm.
Owner:HEFEI FENGSHENGYUAN AGRI SCI & TECH CO LTD

Grape berry dehiscence resisting preparation and preparation method and applying method thereof

Disclosed are a grape berry dehiscence resisting preparation and a preparation method and an applying method thereof. The grape berry dehiscence resisting preparation comprises, by weight, 0.1-0.3% ofgibberellin, 25-28% of CaCl2 (calcium chloride), 20-22% of KCl (kalium chloratum), 6-10% of compound amino acid, 2-4% of Twain-20 and 40-44% of water. The preparation method includes: adding the compound amino acid into the water, mixing evenly, heating till a temperature reaches to 80-85 DEG C, successively adding the CaCl2 and the KCl, stirring continuously till the CaCl2 and the KCl are dissolved completely, keeping the temperature at 80-85 DEG C FOR 40-60 minutes, cooling to a normal temperature, adding the gibberellin and the Twain-20 successively, and stirring evenly at last. By diluting the grape berry dehiscence resisting preparation by 100 times and soaking ripening grape berries for five seconds, coordinated growth of grape skins and grape pulp can be promoted by the gibberellin, formation of protein and cellulose in the grape skins can be promoted by kalium elements, formation of a large amount of pectic acid in the grape skins can be promoted by calcium elements, so that toughness of the grape skins is enhanced, and dehiscence resistance is enhanced.
Owner:HUNAN AGRICULTURAL UNIV
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