地域范圍
榮成(cheng)牡蠣主要分布在(zai)山東省榮成(cheng)市行政區內的沿海(hai)潮(chao)間帶區域(yu)(yu),區域(yu)(yu)范圍:36°48′N—37°23′N, 122°19′E--122°44.5′E。目(mu)前(qian),全(quan)市牡蠣自然資(zi)源分布面積(ji)100萬畝,淺海(hai)人工筏式(shi)養殖面積(ji)4.6萬畝,鮮品年(nian)產量50萬噸。
產品品質特性特征
1、產品品質特色:鮮活牡(mu)蠣(li)感官要求:榮成牡(mu)蠣(li)殼(ke)形變化大,呈(cheng)長圓形或(huo)長三(san)角形,鱗片排列緊密,殼(ke)內面白色,內有(you)寬大的(de)韌帶(dai)槽(cao),閉(bi)殼(ke)肌痕大。肉肥滿,口感細嫩、富(fu)有(you)彈性(xing)、味(wei)鮮清香。生鮮牡(mu)蠣(li)肉呈(cheng)乳(ru)白色,富(fu)有(you)彈性(xing),閉(bi)殼(ke)肌粗大有(you)力。具(ju)有(you)牡(mu)蠣(li)特有(you)的(de)氣味(wei),無(wu)異味(wei);無(wu)可見泥沙,無(wu)外來雜質及吸附物(wu)。
2、內在品質(zhi)指標:口感細嫩,味道鮮(xian)美,營養豐富。據山東省水產品質(zhi)量檢驗中(zhong)心(2012)的分析,每100g牡蠣中(zhong)含蛋白質(zhi)13.8g、脂肪6.6g、鈣(gai)460mg、磷(lin)460mg。
3、質(zhi)(zhi)量(liang)安(an)(an)(an)全(quan)(quan)(quan)(quan)規定:嚴(yan)格按(an)照以(yi)上“3特定生產(chan)方式”中(zhong)所提到的產(chan)地環境、育苗(miao)和養(yang)殖技術要(yao)求(qiu)(qiu)從(cong)事生產(chan)經營,嚴(yan)格執行《中(zhong)華人(ren)民(min)(min)共和國食(shi)品(pin)安(an)(an)(an)全(quan)(quan)(quan)(quan)法》、《中(zhong)華人(ren)民(min)(min)共和國農產(chan)品(pin)質(zhi)(zhi)量(liang)安(an)(an)(an)全(quan)(quan)(quan)(quan)法》、GB18406.4-2001《農產(chan)品(pin)安(an)(an)(an)全(quan)(quan)(quan)(quan)質(zhi)(zhi)量(liang)無(wu)公(gong)(gong)(gong)害(hai)(hai)水(shui)產(chan)品(pin)安(an)(an)(an)全(quan)(quan)(quan)(quan)標(biao)準(zhun)》、NY-5052《無(wu)公(gong)(gong)(gong)害(hai)(hai)食(shi)品(pin)海(hai)水(shui)養(yang)殖用(yong)水(shui)水(shui)質(zhi)(zhi)標(biao)準(zhun)》、DB3710/T024-2002《無(wu)公(gong)(gong)(gong)害(hai)(hai)太平洋牡(mu)蠣》、NY-5701《無(wu)公(gong)(gong)(gong)害(hai)(hai)食(shi)品(pin)漁用(yong)藥物(wu)(wu)使用(yong)標(biao)準(zhun)》、NY-5073-2006《無(wu)公(gong)(gong)(gong)害(hai)(hai)食(shi)品(pin)水(shui)產(chan)品(pin)中(zhong)有毒有害(hai)(hai)物(wu)(wu)質(zhi)(zhi)限量(liang)》中(zhong)規定的各項技術標(biao)準(zhun)。按(an)照上述(shu)各項標(biao)準(zhun)要(yao)求(qiu)(qiu),制訂質(zhi)(zhi)量(liang)管(guan)理細(xi)則,強(qiang)化完善質(zhi)(zhi)量(liang)管(guan)理制度,確保榮成牡(mu)蠣的質(zhi)(zhi)量(liang)安(an)(an)(an)全(quan)(quan)(quan)(quan)。
“榮(rong)(rong)成(cheng)牡(mu)(mu)(mu)蠣(li)(li)(li)(li)”,學名“太平(ping)洋牡(mu)(mu)(mu)蠣(li)(li)(li)(li)(Crassostrea gigas)”,地(di)方俗稱“蠔”、“蠣(li)(li)(li)(li)頭”、“海(hai)蠣(li)(li)(li)(li)子”,其屬于軟體動物門,瓣鰓(sai)綱,珍珠貝目,牡(mu)(mu)(mu)蠣(li)(li)(li)(li)科(ke),巨蠣(li)(li)(li)(li)屬。榮(rong)(rong)成(cheng)牡(mu)(mu)(mu)蠣(li)(li)(li)(li)肉質(zhi)(zhi)細嫩,味道(dao)鮮美,營養(yang)豐富,蛋(dan)白質(zhi)(zhi)含(han)(han)量(liang)(liang)高,脂肪含(han)(han)量(liang)(liang)低,碘的(de)含(han)(han)量(liang)(liang)高于牛(niu)奶(nai)(nai)和雞蛋(dan),富含(han)(han)肝糖、多(duo)種維(wei)生(sheng)素(su)、微量(liang)(liang)元素(su)及(ji)氨基(ji)酸(suan)等多(duo)種寶(bao)貴物質(zhi)(zhi),因煮湯后(hou)狀似牛(niu)奶(nai)(nai),故有“海(hai)底(di)牛(niu)奶(nai)(nai)”的(de)美譽。榮(rong)(rong)成(cheng)市地(di)處神(shen)奇瑰麗的(de)北緯三(san)十七度(被稱為黃(huang)金(jin)緯度),位于山(shan)東半島的(de)東端,三(san)面臨海(hai),海(hai)流(liu)暢通(tong),水體交換量(liang)(liang)大(da),東部沿海(hai)有大(da)面積的(de)潮間帶區域,這些場所都是適合牡(mu)(mu)(mu)蠣(li)(li)(li)(li)生(sheng)存繁衍的(de)地(di)方,也是榮(rong)(rong)成(cheng)牡(mu)(mu)(mu)蠣(li)(li)(li)(li)自然分布密集(ji)區。
牡(mu)蠣(li),俗稱蠔,別(bie)名蠣(li)黃、海(hai)(hai)蠣(li)子(zi),因煮湯后狀似牛奶(nai),故(gu)有(you)(you)“海(hai)(hai)底牛奶(nai)”的(de)美譽。牡(mu)蠣(li)是(shi)榮成重要的(de)海(hai)(hai)洋(yang)(yang)經濟物種,也是(shi)海(hai)(hai)水養(yang)殖(zhi)(zhi)的(de)大(da)(da)宗品種之一,主要有(you)(you)真牡(mu)蠣(li)、褶牡(mu)蠣(li)、太平洋(yang)(yang)牡(mu)蠣(li)和大(da)(da)連灣牡(mu)蠣(li)等(deng)四大(da)(da)品種,養(yang)殖(zhi)(zhi)方(fang)式主要以筏式養(yang)殖(zhi)(zhi)為(wei)主,也有(you)(you)部分(fen)實行灘(tan)涂底播(bo)養(yang)殖(zhi)(zhi),重點(dian)集(ji)中在以桑溝灣為(wei)主的(de)東(dong)部海(hai)(hai)區(qu)。目(mu)前(qian),養(yang)殖(zhi)(zhi)面積近3萬畝,年(nian)產(chan)量10萬噸。現已開發出(chu)牡(mu)蠣(li)罐(guan)頭(tou)等(deng)終端產(chan)品,在歐美國家十分(fen)暢銷。