For Catholics, none other than the blood of Christ. At the moment of "transubstantiation," the grape wine becomes the blood of Christ.
If you mean, "what is in the grape wine in the holy Eucharist?" well, then the answer is: grape wine.
The outward signs for Holy Eucharist are the words the priest says when he blesses the bread and wine and the words he says when he gives the bread or wine. Another outward sign is the breaking of bread.
first communion, first eucharist, eucharist, body and blood, bread and wine, etc.
The Holy Chalice.
Trabbiano and Malvasia, white grape varieties
There is no specific kind of grapes used for making the Church wine.
The Eucharist - the body and blood of Jesus Christ under the forms of bread and wine.
In the Eucharist, unleavened bread is used to represent the body of Christ, and wine (or unfermented grape juice) represents His blood.
It is a cup that holds the wine or grape juice that represents the Blood of Christ. It is used during the celebration of the Eucharist, Lord's Supper, or Holy Communion. All three terms are used and their use depends on the church that is celebrating the sacrament.
The Holy Spirit Enters into the Bread and Wine, thus Making it the Literal Body & Blood Of Christ Jesus.
Grape wine
The Holy Sacrament of Communion(Eucharist) consists of Wine(Blood),Bread(Body), and Warm Water(Christ's warmth and love for us).
Roman Catholic AnswerAn altar, a linen altar cloth, a corporal, a gold paten, a ciborium, wheat hosts, water, grape wine, gold chalice, a Sacramentary or Missal, candles, a Crucifix, a lavabo, vestments, a priest or bishop, the faithful.