Tulse Hill not otherwise found growing in London. Samson Young, protagonist in Martin Amis's "London Fields" goes to Tulse Hill to buy drugs. Jason Strugnell, a fictional poet in Wendy Cope's "Making Cocoa For Kingsley Amis", lives in Tulse Hill and mentions it a couple of times in "his" poems. The "Tulse Hill Parliament", a political club, features in P. G. Wodehouse's comic novel "Psmith in the City". The author attended Dulwich College, which is in the vicinity. Noel Streatfeild's novel ""Tennis Shoes"" (1937) is written about a family who live in Tulse Hill. Tulse Hill and its surrounding areas are locations
Cocoa butter and theobromine. Some food manufacturers substitute less expensive materials such as vegetable oils and fats in place of cocoa butter. Several analytical methods exist for testing for diluted cocoa butter. Adulterated cocoa butter is indicated by its lighter color and its diminished fluorescence upon ultraviolet illumination. Unlike cocoa butter, adulterated fat tends to smear and have a higher non-saponifiable content. Cocoa butter is becoming increasingly costly. Substitutes have been designed to use as alternatives. In the United States, 100% cocoa butter must be used for the product to be called chocolate. The EU requires that alternative fats not exceed 5%