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品質特點

金(jin)(jin)堂紫(zi)薯(shu)(shu)(shu)是(shi)四川省金(jin)(jin)堂縣(xian)有名(ming)的(de)(de)(de)農產(chan)(chan)品(pin)(pin)，富(fu)含(han)有大(da)量(liang)花青素苷(anthocyanin)和膳食釬維、維生(sheng)(sheng)素、礦(kuang)質元素及人體必需的(de)(de)(de)十八種(zhong)(zhong)氨(an)基酸，有獨特(te)的(de)(de)(de)營(ying)養(yang)(yang)和保健作用(yong)，長期食用(yong)有降壓、補血、益氣、潤肺、養(yang)(yang)顏、減肥、抗癌(ai)之(zhi)功效(xiao)。金(jin)(jin)堂紫(zi)薯(shu)(shu)(shu)在(zai)中國同(tong)行業中享有較(jiao)(jiao)(jiao)高(gao)聲(sheng)譽。金(jin)(jin)堂縣(xian)獨特(te)的(de)(de)(de)地理環境(jing)條件，氣候特(te)征(zheng)非常(chang)適宜紫(zi)薯(shu)(shu)(shu)生(sheng)(sheng)長，生(sheng)(sheng)產(chan)(chan)出(chu)的(de)(de)(de)紫(zi)薯(shu)(shu)(shu)具有外觀形(xing)態好，花青素適中，品(pin)(pin)質極(ji)佳和耐貯藏，明顯區別于(yu)(yu)其他產(chan)(chan)地同(tong)類產(chan)(chan)品(pin)(pin)的(de)(de)(de)特(te)點。由于(yu)(yu)富(fu)含(han)花青素等(deng)對人體營(ying)養(yang)(yang)的(de)(de)(de)保健物(wu)，因而被認定(ding)為特(te)用(yong)品(pin)(pin)種(zhong)(zhong)。紫(zi)薯(shu)(shu)(shu)紫(zi)皮、紫(zi)肉都可(ke)食用(yong)，味道略甜(tian)。花青素含(han)量(liang)20~180mg/100克。有較(jiao)(jiao)(jiao)高(gao)的(de)(de)(de)食用(yong)和藥用(yong)價值(zhi)，是(shi)一(yi)種(zhong)(zhong)純天(tian)然的(de)(de)(de)保健食品(pin)(pin)。鮮薯(shu)(shu)(shu)出(chu)干率(lv)8~30%左右，莖并不一(yi)定(ding)是(shi)紫(zi)色，葉柄、葉脈也不一(yi)定(ding)是(shi)紫(zi)色，但薯(shu)(shu)(shu)肉一(yi)定(ding)是(shi)紫(zi)色，多數品(pin)(pin)種(zhong)(zhong)葉片肥厚(hou)，生(sheng)(sheng)長勢(shi)較(jiao)(jiao)(jiao)強，種(zhong)(zhong)薯(shu)(shu)(shu)萌芽力強，種(zhong)(zhong)苗成(cheng)活率(lv)高(gao)。一(yi)般生(sheng)(sheng)長期120天(tian)以上(shang)，產(chan)(chan)量(liang)水平可(ke)達1250~2200kg/畝，稍(shao)低于(yu)(yu)普(pu)通甘薯(shu)(shu)(shu)。也可(ke)在(zai)生(sheng)(sheng)長90~100天(tian)時采挖，提早上(shang)市(shi)，但產(chan)(chan)量(liang)較(jiao)(jiao)(jiao)低。在(zai)無霜期短(duan)的(de)(de)(de)地方一(yi)年可(ke)種(zhong)(zhong)2季曾至3季，經濟(ji)效(xiao)益非常(chang)高(gao)，在(zai)國際、國內市(shi)場十分(fen)走俏，市(shi)場發(fa)展前景極(ji)為廣闊。

產地環境

金堂縣縣境地(di)(di)(di)處四川(chuan)(chuan)盆地(di)(di)(di)西(xi)(xi)部(bu)(bu)，跨盆中(zhong)(zhong)(zhong)和盆西(xi)(xi)兩大褶皺帶，成(cheng)(cheng)都平(ping)(ping)原東(dong)沿(yan)，川(chuan)(chuan)中(zhong)(zhong)(zhong)丘(qiu)陵(ling)西(xi)(xi)緣(yuan)，龍泉山(shan)(shan)脈中(zhong)(zhong)(zhong)段由東(dong)北轉向(xiang)西(xi)(xi)南(nan)橫(heng)臥縣域(yu)中(zhong)(zhong)(zhong)部(bu)(bu)，形成(cheng)(cheng)西(xi)(xi)北高逐漸向(xiang)東(dong)南(nan)降(jiang)低(di)(di)的(de)(de)地(di)(di)(di)勢。縣域(yu)位(wei)于(yu)成(cheng)(cheng)都平(ping)(ping)原與川(chuan)(chuan)中(zhong)(zhong)(zhong)丘(qiu)陵(ling)接壤地(di)(di)(di)帶。地(di)(di)(di)域(yu)由平(ping)(ping)壩、丘(qiu)陵(ling)、低(di)(di)山(shan)(shan)組成(cheng)(cheng)，西(xi)(xi)北部(bu)(bu)屬川(chuan)(chuan)西(xi)(xi)平(ping)(ping)原，沖積(ji)平(ping)(ping)壩與淺(qian)丘(qiu)占(zhan)幅(fu)員面積(ji)的(de)(de)14.7%;東(dong)南(nan)部(bu)(bu)屬川(chuan)(chuan)中(zhong)(zhong)(zhong)丘(qiu)陵(ling)區(qu)，丘(qiu)陵(ling)占(zhan)74%;中(zhong)(zhong)(zhong)部(bu)(bu)低(di)(di)山(shan)(shan)11.3%。地(di)(di)(di)勢最高峰在(zai)(zai)棲賢(xian)鄉(xiang)尖山(shan)(shan)村(cun)老牛坡，海拔1048.7米;最低(di)(di)處在(zai)(zai)云(yun)合鎮江龍橋(qiao)村(cun)，海拔386米。境內屬四川(chuan)(chuan)盆地(di)(di)(di)亞熱帶濕(shi)潤氣候(hou)(hou)區(qu)的(de)(de)"盆地(di)(di)(di)北部(bu)(bu)區(qu)"。位(wei)于(yu)成(cheng)(cheng)都平(ping)(ping)原東(dong)部(bu)(bu)、川(chuan)(chuan)中(zhong)(zhong)(zhong)丘(qiu)陵(ling)西(xi)(xi)緣(yuan)。屬中(zhong)(zhong)(zhong)國亞熱帶季風氣候(hou)(hou)區(qu)中(zhong)(zhong)(zhong)部(bu)(bu)。氣候(hou)(hou)溫(wen)和，四季分明，雨量(liang)充沛(pei)，濕(shi)度大，云(yun)霧多，乏(fa)日照，平(ping)(ping)均風速小(xiao)，無(wu)霜(shuang)期長(chang)(chang)，大陸性(xing)季風氣候(hou)(hou)顯著(zhu)，具(ju)有春來較早、夏長(chang)(chang)、秋冬短的(de)(de)特點。非常適宜紫薯(shu)生長(chang)(chang)，生產出(chu)的(de)(de)紫薯(shu)具(ju)有外(wai)觀(guan)形態(tai)好，花青(qing)素適中(zhong)(zhong)(zhong)，品(pin)質(zhi)極佳(jia)和耐貯藏等(deng)明顯區(qu)別于(yu)其他產地(di)(di)(di)同類(lei)產品(pin)的(de)(de)特點。

生產情況

金(jin)(jin)堂(tang)紫(zi)(zi)薯(shu)(shu)(shu)的(de)種(zhong)植歷史可(ke)追溯至20世(shi)紀(ji)90年代初(chu)(chu)。2010年，列(lie)入四(si)川省標準(zhun)化種(zhong)植示(shi)范區建(jian)設項目，同年金(jin)(jin)堂(tang)紫(zi)(zi)薯(shu)(shu)(shu)系列(lie)產(chan)品通(tong)過(guo)有(you)(you)機產(chan)品認證(zheng)。2011年，金(jin)(jin)堂(tang)紫(zi)(zi)薯(shu)(shu)(shu)種(zhong)植面積達3萬余畝，總(zong)產(chan)值(zhi)達1.5億元/年。21世(shi)紀(ji)初(chu)(chu)，四(si)川綠(lv)(lv)山(shan)農業(ye)開(kai)發有(you)(you)限公(gong)(gong)司(si)(si)(si)開(kai)發建(jian)設了(le)"中(zhong)國(guo)·成都紫(zi)(zi)色植物產(chan)業(ye)示(shi)范園(yuan)"，在金(jin)(jin)堂(tang)質(zhi)監局的(de)幫助下，該公(gong)(gong)司(si)(si)(si)建(jian)立健全標準(zhun)體(ti)系，制訂(ding)《紫(zi)(zi)薯(shu)(shu)(shu)泥》、《紫(zi)(zi)薯(shu)(shu)(shu)全粉(fen)》等(deng)企(qi)業(ye)標準(zhun)，在取(qu)得QS認證(zheng)的(de)基礎上，經多次協調對接，中(zhong)國(guo)檢驗認證(zheng)集(ji)(ji)團四(si)川有(you)(you)限公(gong)(gong)司(si)(si)(si)與四(si)川綠(lv)(lv)山(shan)農業(ye)開(kai)發有(you)(you)限公(gong)(gong)司(si)(si)(si)達成了(le)認證(zheng)服務和(he)認證(zheng)評審協議。中(zhong)國(guo)檢驗認證(zheng)集(ji)(ji)團四(si)川有(you)(you)限公(gong)(gong)司(si)(si)(si)為四(si)川綠(lv)(lv)山(shan)農業(ye)開(kai)發有(you)(you)限公(gong)(gong)司(si)(si)(si)在良好農業(ye)規范(GAP)和(he)有(you)(you)機紫(zi)(zi)薯(shu)(shu)(shu)認證(zheng)體(ti)系建(jian)設、人員培訓等(deng)方(fang)(fang)面提供全方(fang)(fang)位的(de)指導，幫助該公(gong)(gong)司(si)(si)(si)順利通(tong)過(guo)GAP和(he)有(you)(you)機認證(zheng)。

地理標志

根(gen)據(ju)《地(di)理標(biao)志產(chan)品保(bao)(bao)護規定(ding)》，國家(jia)質檢總(zong)局組織專家(jia)對金(jin)堂(tang)紫薯地(di)理標(biao)志產(chan)品保(bao)(bao)護申請進行審查(cha)。經審查(cha)合格，批準金(jin)堂(tang)紫薯為(wei)地(di)理標(biao)志保(bao)(bao)護產(chan)品，自2011年11月(yue)30日起實(shi)施保(bao)(bao)護。

產地范圍

金堂(tang)紫(zi)薯(shu)產地范(fan)圍為(wei)四川(chuan)省金堂(tang)縣白果(guo)鎮(zhen)(zhen)、五鳳(feng)鎮(zhen)(zhen)、高板鎮(zhen)(zhen)、平(ping)橋(qiao)鄉(xiang)(xiang)、竹篙鎮(zhen)(zhen)、隆盛鎮(zhen)(zhen)、轉龍鎮(zhen)(zhen)、廣興鎮(zhen)(zhen)、土橋(qiao)鎮(zhen)(zhen)、又新(xin)鎮(zhen)(zhen)、云合鎮(zhen)(zhen)11個鄉(xiang)(xiang)鎮(zhen)(zhen)所轄(xia)行(xing)政區域。

專用標志使用

金堂(tang)(tang)紫薯產地范圍內的(de)生產者，可向(xiang)四川省金堂(tang)(tang)縣質量技(ji)術(shu)監(jian)督(du)局提出使用"地理標志產品專用標志"的(de)申請，經(jing)四川省質量技(ji)術(shu)監(jian)督(du)局審核，報國家質檢(jian)總局核準后予以公(gong)告。金堂(tang)(tang)紫薯的(de)法(fa)定檢(jian)測機構由四川省質量技(ji)術(shu)監(jian)督(du)局負責指定。