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Research on Quality of Wine Grape and Wine in Chang Li Production Area, Hebei Provine

Author: ZhangXiaoZhuan
Tutor: ZhangZhenWen
School: Northwest University of Science and Technology
Course: Grapes and wine ,
Keywords: Changli Grapes Wine Quality
CLC: S663.1
Type: Master's thesis
Year: 2011
Downloads: 1184
Quote: 1
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Abstract


The test in 2010 in Hebei Changli County Langes winery and China Great Wall Wine Co., Ltd., Vitis vinifera Cabernet Sauvignon Cabernet Sauvignon, Cabernet Franc, Cabernet Franc, Merlot (Merlot) and Syrah (Syrah) as the test material for on the basis of the characteristics of terrain features and shaping the way by analyzing Changli climate and soil data to study the quality of the fruit of the grape varieties and wine quality. Main contents are as follows: Changli County 2010 small climatic conditions analysis; analysis of soil texture and nutrient of; berries ripening process sugar, acid and sugar acid ratio changes; ripe fruit and the brewing wine's basic physical and chemical indicators of comparative research; using HPLC -MS detection of the type and content of phenolic compounds and anthocyanins using GC / MS to detect the type of aroma substances, content and identify the main substance. Grape and wine quality through the region, in order to achieve a theoretical basis for the appropriate choice of local wine varieties and effective field management purposes, science Changli area grape and wine industry development. The main results obtained in this test are as follows: monitoring process by the maturity of each grape samples to determine the Changli cultivars Cabernet Sauvignon, Cabernet Franc, Merlot, Syrah best harvest time . Melody's best harvest time around September 20 September 24; Cabernet Franc; Syrah for October 4; Cabernet Sauvignon harvest compared sloping terrain on the ground in advance for Oct. 12 day, sloping October 14; tilt tilt the single vine single-arm stand and tilt double tendril arms stands deficit Xia level of double-Man arms Cabernet Sauvignon harvest period in October 11; beads best harvest around October 13. Under different terrain and shaping the way, the basic physical and chemical indicators of the mature fruit of all varieties are quite different. Total phenols, tannins of the plains Cabernet fruit, total anthocyanin content was significantly higher than the plains Cabernet Franc peacefully Merlot; the sloping land Cabernet fruit tannin content was significantly higher than Syrah; tilt double vine arms level of Cabernet Sauvignon Cabernet Sauvignon cultivation significantly or very significantly higher than the other two plastic way. Under different terrain and shaping the way, the basic physical and chemical indicators of varietal wines are quite different. Plains Shiraz total phenolic and total anthocyanin content significantly or very significantly higher than the Cabernet Franc and Merlot wine, but no significant difference Cabernet Sauvignon; highest tannin content of Cabernet Sauvignon, significantly higher than the Merlot wines. Sloping Syrah wine total phenols, tannins significantly higher than the Cabernet Sauvignon; tilt double tendril arms stand under the cultivation of shaping the way Cabernet Sauvignon total phenol, total anthocyanin significantly or very significantly higher than the other The two plastic way inclined single vine tannin content highest single-arm stands with tilt level of dual vine arms significant differences. Each test point in grape and wine anthocyanins substances petunia the somatomedins, peony prime class, the malvidin class three categories, grapes also detected the small amount of delphinidin, flowers astaxanthin class anthocyanin substances, the wine is not detected anthocyanins substances; the malvidin class grape and wine content were the highest, accounting for the Anthocyanins total percentage of highest; under different terrain conditions Syrah grapes and wine anthocyanin content were higher, the same terrain Cabernet Sauvignon wine anthocyanin performance superior to the sloping plains, Syrah and wine anthocyanins table opposite; different shaping approach , the Cabernet Sauvignon grape and wine anthocyanins performance superior to tilt to tilt the a single vine single arm stand a double tendril arms level and tilt double tendril arms stand. Each test point grape and wine monomer phenols mainly benzoic acids, flavanols, flavonols three categories, the grape also detected a small amount of cinnamic acid, stilbene monomer phenolic substances in wine is not detected the stilbene substances; highest grape flavonols class content, accounted for the highest percentage of total anthocyanins, wine places the highest flavanol content, and the percentage of patients also the highest; the monomeric phenol content in the same terrain Syrah, are higher the wine Cabernet monomer phenol content; monomer phenol content of Cabernet Sauvignon grapes in the same terrain to the plains higher than sloping, Syrah is the opposite, Cabernet Sauvignon, Syrah wine phenolic compounds in the same terrain is flat land higher than sloping; under different orthopedic treatment, Cabernet Sauvignon grapes and wine anthocyanins showed tilt double-Man dual The arm stands superior to tilt the level of double tendril arms and tilt a single vine single arm stand. 6 mature grape berries can detect about 31 kinds of volatile aroma components, esters, aldehydes, about 75% to 90%, as the main aroma components, the wine can be detected in about 43 Hong gas substances, esters, alcohols compounds accounted for almost 99 percent of the total aroma substances, the same terrain as the main components of the wine; Cabernet Sauvignon grape aroma substances with higher levels of wine to Syrah the aroma of a higher material content; the total aroma components in Cabernet Sauvignon and Syrah grapes under different terrain are sloping higher than in plains, wine opposite; different shaping approach, the Cabernet Sauvignon grape aroma substances total performance higher than for inclined double tendril arms tilt double tendril arms stand and tilt a single vine single arm stand, tilt wine aroma substances in the total amount of the a single vine single arm stand higher than the tilt double vine arms horizontal and inclined a double tendril arms stand.

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CLC: > Agricultural Sciences > Gardening > Fruit trees gardening > Berries > Grapes
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