Wine and grape juice have a bracha of their own, because of their importance.
After eating: The short three-in-one blessing, Al Hagefen, after drinking a revi'it.
Bracha on wine
BeforeHagafen
AfterAl Hagefen
בָּרוּךְ אַתָּה ה׳ אֱלֹקֵינוּ מֶלֶךְ הָעוֹלָם, בּוֹרֵא פְּרִי הַגָּפֶן
Baruch atah Hashem, Elokeinu melech ha'olam, borei pri hagafen.
Blessed are You, Hashem our God, King of the universe, who creates the fruit of the vine.
This follows the common ruling of most poskim. For different customs or a specific question, ask a rabbi.