Mix the water with the sugar and the pectin. Bring to the boil. Let boil for 1 '. Cool.
Chop the Shiso® Green and mix with the pectin base. Add egg white and lime juice and mix. Pass through a sieve. Pour into a siphon and charge with one gas cartridge. Let it rest at least 1 hour in the fridge.
Pour the gin, Cointreau and lemon juice in a shaker with ice. Shake and strain in a glass. Pipe the foam on the drink and garnish with fresh zest of lime, Shiso® Green leaves and freeze-dried soy sauce