Becauseimitationcrabismadeupof a pastecalledsurimi, whichisbasicallyprocessed, mashed-upfish.
カニもどきには魚肉をすりつぶした、「すり身」が使われています。
Usually, it's actually a combinationoffish, suchasAlaskanpollockorPacificwhitingfishthathavebeenputthrough a complicatedmanufacturingprocessandturnedinto a gel-likesubstance.
However, alltheseadditivessignificantlydecreasethenutritionalvalueofimitationcrab, andtheycanevenincludegluten, soit's besttostayawayifyou'resensitivetothat.
Intheend, ifyou'relookingforcrabthat's realandauthentic, yououghttoknowthattheonlycrabyoushouldbeorderingistheonethatcomesstraightfromthesea, notspitoutof a grinderat a manufacturingplant.