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Celeriac (''Apium graveolens'' var. ''rapaceum''), also called turnip-rooted celery or knob celery, is a variety of celery cultivated for its edible roots, hypocotyl, and shoots. It is sometimes called celery root. It was mentioned in Homer's Odyssey as ''selinon''. Celeriac is a root vegetable with a bulbous hypocotyl. In the Mediterranean Basin and in Northern Europe, celeriac grows wild and is widely cultivated.〔 It is also cultivated in North Africa, Siberia, Southwest Asia, and North America.〔 In North America, the Diamant cultivar predominates. Celeriac originated in the Mediterranean Basin.〔 ==Culinary use== Typically, celeriac is harvested when its hypocotyl is 10–14 cm in diameter.〔 However, a growing trend (specifically in Peruvian and South American cuisine) is to use the immature vegetable, valued for its intensity of flavour and tenderness overall. It is edible raw or cooked, and tastes similar to the stalks (the upper part of the stem) of common celery cultivars. Celeriac may be roasted, stewed, blanched, or mashed. Sliced celeriac occurs as an ingredient in soups, casseroles, and other savory dishes. The leaves and stems of the vegetable are quite flavoursome, and aesthetically delicate and vibrant, which has led to their use as a garnish in contemporary fine dining. The shelf life of celeriac is approximately six to eight months if stored between 0 °C (32 °F) and 5 °C (41 °F), and not allowed to dry out. Having said that, the vegetable will tend to rot through the centre if the finer stems surrounding the base are left attached. The freshness of the vegetable can be determined by viewing the hollowness of the vegetable; a fresh celeriac should not have a hollow centre.〔 The freshness of the vegetable will also be obvious from the taste; the older the vegetable, the less potent the celery flavour. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Celeriac」の詳細全文を読む スポンサード リンク
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