Apricot kernels (seeds) contain amygdalin , a poisonous compound. On average, bitter apricot kernels contain about 5% amygdalin and sweet kernels about % amygdalin. These values correspond to % and % of cyanide . Since a typical apricot kernel weighs 600 mg, bitter and sweet varieties contain respectively and mg of cyanide.
Ever-present on the gardening bestseller list, the publicity-shy (but not actually shy) Dr David Gerald Hessayon has been going strong with the reassuringly old-fashioned “Expert” series since 1958. With tens of millions of copies in the series sold, at least one slim volume by this author is likely to be present on the shelves of nearly all of Britain's gardeners, offering impeccable and uncontroversial advice.
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