Koshu is a Japanese grape variety. It produces large bunches of pink-skinned grapes, which are used to make white wine. Often it’s quite neutral, but here’s one that has some real interest.

Grace Koshu Kayagutake 2013 Yamanashi, Japan
11.5% alcohol. This is interesting. It has an aromatic, gravelly, mineral edge to the citrussy nose. The palate is fresh and mineral with a savoury, slightly spicy, grainy gravelly core. More mineral than fruity and quite delicious. 90/100 (Imported into the UK by Hallgarten Druitt; stockists include Corking Wines, wineman.co.uk)

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