Open AccessGRAPE POMANCE GENERATION FROM GRAPE CULTIVARS CULTIVATED IN TÂRNAVE VINEYARDS IN THE FRAMEWORK OF THE CLIMATE CHANGE
Author(s) -
Liliana Lucia Tomoiagă,
Maria Iliescu,
Horia Silviu Răcoare,
Vlad Botea,
Alexandra Doina SÎRBU,
Gabriel Puşcă,
Veronica Sanda Chedea
Publication year - 2020
Publication title -
romanian journal of horticulture
Language(s) - English
Resource type - Journals
eISSN - 2734-7664
pISSN - 2734-7656
DOI - 10.51258/rjh.2020.11
Subject(s) - cultivar , pomace , terroir , sugar , winemaking , wine grape , horticulture , yield (engineering) , berry , biology , botany , wine , food science , materials science , metallurgy
Grape pomace is a by-product obtained from the technological processing of grapesand represents on average 20% of the total amount of grapes taken for winemaking.Due to the medical, food and cosmetic interest in the valorisation of grape pomace,the present study presents the percentage of pomace resulting, the yield of must andthe sugar content of must obtained for 25 grapevine cultivars, hybrids and clones forwhite and red wines, cultivated in the SCDVV Blaj vineyards from Blaj, Crăciunelu deJos and Ciumbrud. In the climatic conditions of the year 2020 with heavy rains in Juneand cold nights in September, the highest amounts of GP are obtained from the whitecultivar Hibernal (GP yield33.43% and sugar concentration in must 205 g/L) andfrom the white cultivar Pinot gris 18-5 (GP yield34.09% and sugar concentration inmust 210 g/L). The lowest percentage of GP was obtained in the case of Pinot gris 34Bl clone, (GP yield18.09% and sugar concentration in must 236 g/L). Our data showthat the harvesting time and the terroir influence the GP yield.