品質特點
金(jin)堂紫(zi)薯(shu)是(shi)(shi)四川省金(jin)堂縣有名(ming)的(de)農產(chan)品(pin),富(fu)含(han)有大量(liang)花(hua)青(qing)素(su)(su)苷(gan)(anthocyanin)和膳食(shi)(shi)釬維(wei)、維(wei)生(sheng)(sheng)素(su)(su)、礦質元素(su)(su)及人體(ti)(ti)必需的(de)十八種(zhong)(zhong)氨基酸,有獨特(te)的(de)營(ying)養和保健作用(yong),長(chang)(chang)期食(shi)(shi)用(yong)有降壓(ya)、補血、益氣、潤(run)肺、養顏、減(jian)肥、抗癌之功效(xiao)(xiao)。金(jin)堂紫(zi)薯(shu)在(zai)中國同行業(ye)中享有較(jiao)高聲譽。金(jin)堂縣獨特(te)的(de)地理環境條件,氣候特(te)征非常適(shi)宜紫(zi)薯(shu)生(sheng)(sheng)長(chang)(chang),生(sheng)(sheng)產(chan)出的(de)紫(zi)薯(shu)具(ju)有外觀形態好,花(hua)青(qing)素(su)(su)適(shi)中,品(pin)質極佳(jia)和耐貯藏,明顯區別于(yu)其(qi)他產(chan)地同類產(chan)品(pin)的(de)特(te)點。由于(yu)富(fu)含(han)花(hua)青(qing)素(su)(su)等對(dui)人體(ti)(ti)營(ying)養的(de)保健物(wu),因而被認定(ding)為特(te)用(yong)品(pin)種(zhong)(zhong)。紫(zi)薯(shu)紫(zi)皮、紫(zi)肉都可食(shi)(shi)用(yong),味道略甜。花(hua)青(qing)素(su)(su)含(han)量(liang)20~180mg/100克。有較(jiao)高的(de)食(shi)(shi)用(yong)和藥(yao)用(yong)價值,是(shi)(shi)一(yi)種(zhong)(zhong)純天然的(de)保健食(shi)(shi)品(pin)。鮮薯(shu)出干(gan)率8~30%左右,莖并(bing)不一(yi)定(ding)是(shi)(shi)紫(zi)色,葉柄、葉脈也(ye)不一(yi)定(ding)是(shi)(shi)紫(zi)色,但薯(shu)肉一(yi)定(ding)是(shi)(shi)紫(zi)色,多數品(pin)種(zhong)(zhong)葉片肥厚(hou),生(sheng)(sheng)長(chang)(chang)勢(shi)較(jiao)強,種(zhong)(zhong)薯(shu)萌芽力強,種(zhong)(zhong)苗成活率高。一(yi)般生(sheng)(sheng)長(chang)(chang)期120天以上,產(chan)量(liang)水平可達1250~2200kg/畝,稍低于(yu)普通甘薯(shu)。也(ye)可在(zai)生(sheng)(sheng)長(chang)(chang)90~100天時采挖,提早上市(shi),但產(chan)量(liang)較(jiao)低。在(zai)無霜期短的(de)地方一(yi)年可種(zhong)(zhong)2季(ji)曾至3季(ji),經濟(ji)效(xiao)(xiao)益非常高,在(zai)國際(ji)、國內市(shi)場十分走(zou)俏,市(shi)場發展前景極為廣闊(kuo)。
產地環境
金堂縣縣境地(di)(di)(di)處四川(chuan)(chuan)盆(pen)地(di)(di)(di)西(xi)(xi)部(bu)(bu)(bu)(bu),跨盆(pen)中(zhong)和盆(pen)西(xi)(xi)兩大(da)(da)褶皺帶(dai),成(cheng)都平原(yuan)東(dong)沿,川(chuan)(chuan)中(zhong)丘(qiu)(qiu)(qiu)(qiu)陵(ling)(ling)西(xi)(xi)緣,龍泉山脈中(zhong)段由(you)(you)東(dong)北轉向西(xi)(xi)南(nan)橫(heng)臥縣域中(zhong)部(bu)(bu)(bu)(bu),形成(cheng)西(xi)(xi)北高(gao)逐漸向東(dong)南(nan)降(jiang)低(di)(di)的(de)地(di)(di)(di)勢(shi)。縣域位于(yu)成(cheng)都平原(yuan)與川(chuan)(chuan)中(zhong)丘(qiu)(qiu)(qiu)(qiu)陵(ling)(ling)接壤地(di)(di)(di)帶(dai)。地(di)(di)(di)域由(you)(you)平壩、丘(qiu)(qiu)(qiu)(qiu)陵(ling)(ling)、低(di)(di)山組成(cheng),西(xi)(xi)北部(bu)(bu)(bu)(bu)屬(shu)(shu)川(chuan)(chuan)西(xi)(xi)平原(yuan),沖積平壩與淺(qian)丘(qiu)(qiu)(qiu)(qiu)占幅員面積的(de)14.7%;東(dong)南(nan)部(bu)(bu)(bu)(bu)屬(shu)(shu)川(chuan)(chuan)中(zhong)丘(qiu)(qiu)(qiu)(qiu)陵(ling)(ling)區(qu),丘(qiu)(qiu)(qiu)(qiu)陵(ling)(ling)占74%;中(zhong)部(bu)(bu)(bu)(bu)低(di)(di)山11.3%。地(di)(di)(di)勢(shi)最高(gao)峰在棲賢鄉尖山村老(lao)牛坡,海(hai)拔1048.7米;最低(di)(di)處在云(yun)合鎮江龍橋村,海(hai)拔386米。境內(nei)屬(shu)(shu)四川(chuan)(chuan)盆(pen)地(di)(di)(di)亞(ya)熱帶(dai)濕潤氣(qi)候(hou)區(qu)的(de)"盆(pen)地(di)(di)(di)北部(bu)(bu)(bu)(bu)區(qu)"。位于(yu)成(cheng)都平原(yuan)東(dong)部(bu)(bu)(bu)(bu)、川(chuan)(chuan)中(zhong)丘(qiu)(qiu)(qiu)(qiu)陵(ling)(ling)西(xi)(xi)緣。屬(shu)(shu)中(zhong)國(guo)亞(ya)熱帶(dai)季風(feng)氣(qi)候(hou)區(qu)中(zhong)部(bu)(bu)(bu)(bu)。氣(qi)候(hou)溫和,四季分明,雨量充沛,濕度大(da)(da),云(yun)霧多,乏日照,平均(jun)風(feng)速小,無霜期長,大(da)(da)陸性季風(feng)氣(qi)候(hou)顯著,具(ju)有春(chun)來較(jiao)早、夏長、秋冬(dong)短的(de)特點。非常適(shi)(shi)宜紫(zi)薯生(sheng)長,生(sheng)產(chan)出的(de)紫(zi)薯具(ju)有外觀形態好(hao),花(hua)青素適(shi)(shi)中(zhong),品(pin)質極佳和耐貯藏(zang)等明顯區(qu)別于(yu)其他產(chan)地(di)(di)(di)同類產(chan)品(pin)的(de)特點。
生產情況
金堂(tang)紫(zi)(zi)薯(shu)的(de)種植(zhi)歷史可追溯至(zhi)20世(shi)紀90年(nian)(nian)代(dai)初(chu)。2010年(nian)(nian),列入(ru)四川省標(biao)準(zhun)(zhun)(zhun)化種植(zhi)示范(fan)區建(jian)設(she)項目,同(tong)年(nian)(nian)金堂(tang)紫(zi)(zi)薯(shu)系(xi)(xi)列產品通過(guo)(guo)有(you)機(ji)產品認(ren)證(zheng)(zheng)(zheng)。2011年(nian)(nian),金堂(tang)紫(zi)(zi)薯(shu)種植(zhi)面積達3萬余畝(mu),總產值達1.5億元/年(nian)(nian)。21世(shi)紀初(chu),四川綠山(shan)農業開發有(you)限(xian)公(gong)(gong)司(si)開發建(jian)設(she)了(le)"中(zhong)國·成都(dou)紫(zi)(zi)色(se)植(zhi)物產業示范(fan)園",在金堂(tang)質監局的(de)幫(bang)助(zhu)下,該(gai)公(gong)(gong)司(si)建(jian)立(li)健全標(biao)準(zhun)(zhun)(zhun)體(ti)系(xi)(xi),制訂《紫(zi)(zi)薯(shu)泥(ni)》、《紫(zi)(zi)薯(shu)全粉》等(deng)企(qi)業標(biao)準(zhun)(zhun)(zhun),在取得QS認(ren)證(zheng)(zheng)(zheng)的(de)基(ji)礎(chu)上(shang),經多次協(xie)調對接,中(zhong)國檢驗(yan)認(ren)證(zheng)(zheng)(zheng)集團四川有(you)限(xian)公(gong)(gong)司(si)與四川綠山(shan)農業開發有(you)限(xian)公(gong)(gong)司(si)達成了(le)認(ren)證(zheng)(zheng)(zheng)服(fu)務和認(ren)證(zheng)(zheng)(zheng)評審協(xie)議。中(zhong)國檢驗(yan)認(ren)證(zheng)(zheng)(zheng)集團四川有(you)限(xian)公(gong)(gong)司(si)為(wei)四川綠山(shan)農業開發有(you)限(xian)公(gong)(gong)司(si)在良(liang)好農業規范(fan)(GAP)和有(you)機(ji)紫(zi)(zi)薯(shu)認(ren)證(zheng)(zheng)(zheng)體(ti)系(xi)(xi)建(jian)設(she)、人員培訓等(deng)方面提供全方位的(de)指(zhi)導,幫(bang)助(zhu)該(gai)公(gong)(gong)司(si)順利(li)通過(guo)(guo)GAP和有(you)機(ji)認(ren)證(zheng)(zheng)(zheng)。
地理標志
根據《地(di)(di)(di)理(li)標(biao)志產(chan)品(pin)保護(hu)規定》,國(guo)家質檢總局組(zu)織專(zhuan)家對金堂紫薯地(di)(di)(di)理(li)標(biao)志產(chan)品(pin)保護(hu)申請(qing)進行(xing)審(shen)查。經審(shen)查合(he)格,批準(zhun)金堂紫薯為地(di)(di)(di)理(li)標(biao)志保護(hu)產(chan)品(pin),自2011年11月30日(ri)起實施保護(hu)。
產地范圍
金(jin)堂紫(zi)薯產地范圍為四川省金(jin)堂縣白果鎮(zhen)(zhen)(zhen)、五鳳鎮(zhen)(zhen)(zhen)、高板鎮(zhen)(zhen)(zhen)、平橋(qiao)(qiao)鄉、竹篙鎮(zhen)(zhen)(zhen)、隆盛鎮(zhen)(zhen)(zhen)、轉龍鎮(zhen)(zhen)(zhen)、廣興鎮(zhen)(zhen)(zhen)、土橋(qiao)(qiao)鎮(zhen)(zhen)(zhen)、又新鎮(zhen)(zhen)(zhen)、云合鎮(zhen)(zhen)(zhen)11個鄉鎮(zhen)(zhen)(zhen)所轄行政區域。
專用標志使用
金(jin)堂(tang)紫薯(shu)產地范(fan)圍內的(de)生產者,可向四川省金(jin)堂(tang)縣(xian)質(zhi)(zhi)量技術(shu)監督局提(ti)出使用(yong)"地理標志產品(pin)專用(yong)標志"的(de)申請,經四川省質(zhi)(zhi)量技術(shu)監督局審核,報國家質(zhi)(zhi)檢總局核準后(hou)予(yu)以(yi)公告。金(jin)堂(tang)紫薯(shu)的(de)法定檢測(ce)機構由(you)四川省質(zhi)(zhi)量技術(shu)監督局負責指定。