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Provided is a packaged emulsified beverage having (A) a diglyceride having, as a fatty acid constituent thereof, 15 to 90 wt. % of an &ohgr;3-unsaturated fatty acid and (B): a lipid selected from phospholipids and lypoproteins. The packaged emulsified beverage according to the present invention main

Provided is a packaged emulsified beverage having (A) a diglyceride having, as a fatty acid constituent thereof, 15 to 90 wt. % of an &ohgr;3-unsaturated fatty acid and (B): a lipid selected from phospholipids and lypoproteins. The packaged emulsified beverage according to the present invention maintains good taste even after sterilization and at the same time is excellent in long shelf life.

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1. A packaged emulsified beverage, which comprises: component (A) comprising a diglyceride having, as a fatty acid constituent thereof 15 to 90 wt. % of an &ohgr;3-unsaturated fatty acid, and component (B): a lipid selected from the group consisting of phospholipids, lypoproteins and a mixture

1. A packaged emulsified beverage, which comprises: component (A) comprising a diglyceride having, as a fatty acid constituent thereof 15 to 90 wt. % of an &ohgr;3-unsaturated fatty acid, and component (B): a lipid selected from the group consisting of phospholipids, lypoproteins and a mixture thereof. 2. The packaged emulsified beverage of claim 1, which comprises 0.1 to 8 wt. % of said diglyceride.3. The packaged emulsified beverage of claim 1, wherein said &ohgr;3-unsaturated fatty acid has 12 to 24 carbon atoms.4. The packaged emulsified beverage of claim 1, wherein said &ohgr;3-unsaturated fatty acid is selected from the group consisting of α-linolenic acid, docosahexaenoic acid, eicosapentaenoic acid and a mixture thereof.5. The packaged emulsified beverage of claim 1, wherein said &ohgr;3-unsaturated fatty acid is α-linolenic acid.6. The packaged emulsified beverage of claim 1, wherein Component (A) is comprised of at least 50 wt. % of unsaturated fatty acids of all fatty acid constituents.7. The packaged emulsified beverage of claim 1, wherein said diglyceride comprises 30 wt. % or more of a total oil/fat of said emulsified beverage.8. The packaged emulsified beverage of claim 1, wherein component (A) comprises 0.1 to 74.9 wt % of triglycerides, 25 to 95 wt. % of diglycerides and 0.1 to 5 wt. % of monoglycerides.9. The packaged emulsified beverage of claim 1, wherein component (A) comprises 5 to 59.9 wt. % of triglycerides, 25 to 90 wt. % of diglycerides and 0.1 to 5 wt. % of monoglycerides.10. The packaged emulsified beverage of claim 1, wherein component (A) comprises 5 to 49.9 wt. % of triglycerides, 50 to 90 wt. % of diglycerides and 0.1 to 5 wt. % of monoglycerides.11. The packaged emulsified beverage of claim 1, comprising 0.1 to 8 wt. % of component (A).12. The packaged emulsified beverage of claim 1, comprising 0.1 to 10 wt. % of component (A).13. The packaged emulsified beverage of claim 1, wherein component (B) is selected from the group consisting of diglyceride-3-phosphoric acid, derivatives of diglyceride-3-phosphoric acid, monoglyceride-3-phosphoric acid, derivatives of monoglyceride-3-phosphoric acid, ceramide-1-phosphoric acid, derivatives of ceramide-1-phosphoric acid, and mixtures comprising at least one of ceramide-1-phosphoric acid, derivatives of ceramide-1-phosphoric acid.14. The packaged emulsified beverage of claim 1, wherein component (B) is selected from the group consisting of phosphatidylcholine, phosphatidylserine, phoaphatidylinositol, phosphatidylethanolamine, phosphatidyl-N-methylethanolamine, and phosphatidyl-N,N-dimethylethanolanmine and these components in the lyso form, sphingomyelin, ceramide phosphorylethanolamine, ceramide phosphoryl glycerol, lecithin, lysolecithin and a mixture thereof.15. The packaged emulsified beverage of claim 1, comprising 0.01 to 0.5 wt. % of component (B).16. The packaged emulsified beverage of claim 1, wherein said phospholipid is lecithin or lysolecithin.17. The packaged emulsified beverage of claim 1, further comprising a package which is hermetically sealed.18. The packaged emulsified beverage of claim 1, wherein said beverage is a beverage selected from the group consisting of milk tea, milk coffee or a processed milk product.19. A method for preparing a packaged emulsified beverage comprising: i) packaging an emulsified beverage, which comprises: component (A): comprising a diglyceride having, as a fatty acid constituent thereof 15-90 wt % of an &ohgr;3-unsaturated fatty acid, andcomponent (B): a lipid selected from the group consisting of phospholipids, lipoproteins and a mixture thereof; and ii) sterilizing the emulsified beverage packaged in step i).