一、地域范圍
霸州市地(di)處河北(bei)省中(zhong)東部(bu),東鄰天津西(xi)(xi)青區,南鄰靜海(hai)、文安(an)、西(xi)(xi)鄰雄縣(xian),新城,北(bei)與(yu)固安(an)、永清和安(an)次區接壤。據民(min)國11年(nian)(nian)(1922年(nian)(nian))《文安(an)縣(xian)志(zhi)》卷(juan)之(zhi)(zhi)一《方輿志(zhi)》載:大(da)清河上承西(xi)(xi)淀(dian)(dian)(白洋淀(dian)(dian))之(zhi)(zhi)水(shui),注(zhu)之(zhi)(zhi)東淀(dian)(dian)……東流歸淀(dian)(dian),又挑中(zhong)亭河繞出勝芳之(zhi)(zhi)北(bei),用泄(xie)大(da)清上游,減(jian)其洶涌之(zhi)(zhi)力。故(gu)清河無北(bei)岸,中(zhong)亭無南堤,南北(bei)七八里,遙(yao)遙(yao)相望(wang)。歷史上的霸州港汊交錯,淀(dian)(dian)泊相連,水(shui)產品(pin)極其豐富,以勝芳蟹最為代表。
二、產品品質特(te)性特(te)征
1、感官特征:勝芳蟹個大殼薄(bo),附肢有力,體質(zhi)健壯(zhuang),貝殼墨綠色,腹(fu)面奶(nai)白色。清(qing)蒸后黃滿膏肥(fei),肉質(zhi)細嫩,清(qing)香(xiang)味(wei)甜。
2、內在品質指標:經檢(jian)測,勝芳(fang)蟹(xie)每百克可食部分中,蛋白質含(han)13.0g;脂肪含(han)量7.32g;能(neng)量496KJ;Va含(han)量544μg;鈣含(han)量468mg;磷0.14g;核黃(huang)素0.39mg,尼(ni)克酸1.6mg,勝芳(fang)蟹(xie)中還富(fu)含(han)人體所需的(de)18種氨基酸,氨基酸總量7.46g。