I normally steer clear of commercial London Dry Gins. The other day my wife brought home a bottle of Tanqueray Rangpur Gin because the supply of my homemade Gin was depleted (geez! wonder how that happened?). I had a sip of Rangpur and was blown away! The citrus profile is beyond delicious. The label hints that the rangpur lime is rare. It is actually not.
The rangpur is a natural cross between a female citron fruit and a male mandarin fruit. In fact, our citrus type fruits all can trace their origins back to the citron fruit.
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The rangpur lime grows in south east Asia and even in the USA. The rangpur lime is called canton lemon in China; hime lemon in Japan; limao galego in Brazil; and mandarin lime in the USA.
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If you are a craft distiller or even a home distiller, try to source some of these limes. The Gin you create will be truly elegant!