SACRAMENT OF EUCHARIST

Image of Sacrament of Eucharist

By Edward Matulanya

Learn the meaning, biblical foundation, and importance of the Sacrament of the Eucharist in the Roman Catholic Church.

1. Meaning of Sacrament of Eucharist

The Eucharist, also called Holy Communion, is the central sacrament of the Catholic Church, often referred to as the “source and summit of the Christian life” (Catechism of the Catholic Church [CCC], 1994, §1324). It is both a sacrament of Christ’s real presence and the memorial of His sacrifice, making present the Paschal Mystery for the faithful.

2. Biblical Foundations of Sacrament of Eucharist

The Eucharist has deep roots in both the Old and New Testaments. In the Old Testament, Melchizedek’s offering of bread and wine (Genesis 14:18), the Passover sacrifice (Exodus 12), and manna in the desert (Exodus 16) foreshadow the Eucharistic mystery. In the New Testament, the Last Supper narratives (Matthew 26:26–29; Mark 14:22–25; Luke 22:14–20; 1 Corinthians 11:23–26) provide the institution of the Eucharist, where Jesus declares the bread and wine to be His Body and Blood. John’s Gospel adds theological depth in the Bread of Life discourse (John 6:48–58), where Jesus insists that His flesh and blood are true food and drink. Early Church and Patristic Witness of Sacrament of Eucharist. The earliest Christian texts confirm Eucharistic practice and belief in Christ’s real presence. The Didache (c. 90 AD) references prayers over bread and wine. St. Paul’s First Letter to the Corinthians (1 Cor. 11:23–29) warns against receiving unworthily. St. Justin Martyr (c. 155 AD) describes the Eucharist as more than common food and drink, stating that Christians believe it to be Christ’s flesh and blood (Apology I, 66). St. Augustine emphasizes the unity it brings: “Be what you see, and receive what you are: the Body of Christ” (Sermon 272). Medieval Development of Sacrament of Eucharist. During the medieval period, the Church clarified Eucharistic doctrine. The concept of transubstantiation was formally articulated, particularly through the theology of St. Thomas Aquinas, who distinguished between substance and accidents (Aquinas, Summa Theologica, III, q. 75). The Feast of Corpus Christi was instituted in the 13th century, affirming devotion to Christ’s Eucharistic presence (McGuckin, 2011).

3. Sacrament of Eucharist at the Council of Trent (1545–1563)

The Protestant Reformation challenged Catholic teaching, with some reformers holding symbolic or spiritual interpretations of the Eucharist. The Council of Trent reaffirmed Catholic doctrine by declaring:

1. The Eucharist is both a sacrament and a sacrifice.

2. Christ is truly, really, and substantially present in the Eucharist through transubstantiation.

3. The Mass is a re-presentation (not a repetition) of Christ’s one sacrifice (Council of Trent, 1563/2011).

Vatican II and Contemporary Understanding of Sacrament of Eucharist.

The Second Vatican Council revitalized Catholic Eucharistic theology and liturgy:

Sacrosanctum Concilium (1963) emphasized the Eucharist as the “source and summit of the Christian life” and called for active participation of the faithful.

Lumen Gentium (1964, §11) highlighted the Eucharist as the heart of ecclesial unity.

The Catechism of the Catholic Church (1994) restates this teaching, presenting the Eucharist as the culmination of Christian initiation and the central act of Catholic worship.

4. Theological and Spiritual Dimensions of Eucharist

Matter: Bread (unleavened in the Latin Rite) and wine (from grapes).

Form: The words of institution (“This is my Body… This is my Blood…”).

Minister: Only a validly ordained priest or bishop can consecrate.

5. Effects of sacrament of Eucharist

Deeper union with Christ (CCC, 1994, §1391). Forgiveness of venial sins (CCC, 1994, §1394). Strengthening against temptation (CCC, 1994, §1395). Unity of the Church (CCC, 1994, §1396).

6. Eucharistic Devotion

Beyond Mass, Catholic devotion to the Eucharist includes: Eucharistic Adoration and Benediction. Processions (especially on the Feast of Corpus Christi). Eucharist is the forty hours devotion. These practices foster deeper reverence for Christ’s presence in the Blessed Sacrament (McBrien, 2008).

7. Description of sacrament of Eucharist

The Sacrament of the Eucharist, instituted by Christ at the Last Supper, remains the central mystery of Catholic faith and worship. From biblical roots to patristic writings, medieval theology, the Council of Trent, and Vatican II, the Eucharist has been consistently understood as the true presence of Christ, the memorial of His sacrifice, and the bond of unity for the Church.

References

Aquinas, T. (1947). Summa Theologica (Fathers of the English Dominican Province, Trans.). Benziger Bros. (Original work published 1274).

Catechism of the Catholic Church. (1994). Libreria Editrice Vaticana.

Council of Trent. (2011). The Canons and Decrees of the Council of Trent (H. J. Schroeder, Trans.). TAN Books. (Original work published 1563).

Justin Martyr. (1997). First Apology. In A. Roberts & J. Donaldson (Eds.), Ante-Nicene Fathers (Vol. 1, pp. 163–187). Hendrickson. (Original work c. 155 AD).

McBrien, R. P. (2008). Catholicism: New Edition. HarperOne.

McGuckin, J. A. (2011). The Orthodox Church: An Introduction to its History, Doctrine, and Spiritual Culture. Wiley-Blackwell.

Vatican Council II. (1963). Sacrosanctum Concilium. In A. Flannery (Ed.), Vatican Council II: The Conciliar and Post Conciliar Documents (pp. 1–40). Costello Publishing.

Vatican Council II. (1964). Lumen Gentium. In A. Flannery (Ed.), Vatican Council II: The Conciliar and Post Conciliar Documents (pp. 350–426). Costello Publishing.

Augustine of Hippo. (1992). Sermons (184–229Z) (E. Hill, Trans.). New City Press. (Original work c. 400 AD).