品質特點
金(jin)堂(tang)紫(zi)(zi)(zi)薯(shu)(shu)(shu)是四川省金(jin)堂(tang)縣有(you)名的(de)(de)農產品(pin)(pin),富含(han)有(you)大量(liang)(liang)花青素(su)(su)苷(anthocyanin)和(he)(he)(he)膳食(shi)釬(han)維、維生素(su)(su)、礦質(zhi)元素(su)(su)及人體必需的(de)(de)十八種(zhong)(zhong)氨基酸,有(you)獨特(te)的(de)(de)營養(yang)和(he)(he)(he)保健(jian)(jian)作用,長(chang)期(qi)(qi)食(shi)用有(you)降壓(ya)、補血、益氣、潤(run)肺、養(yang)顏、減肥、抗(kang)癌之功效。金(jin)堂(tang)紫(zi)(zi)(zi)薯(shu)(shu)(shu)在(zai)中(zhong)國同行業中(zhong)享(xiang)有(you)較高(gao)聲譽。金(jin)堂(tang)縣獨特(te)的(de)(de)地(di)理(li)環境條件,氣候特(te)征非(fei)常適宜紫(zi)(zi)(zi)薯(shu)(shu)(shu)生長(chang),生產出的(de)(de)紫(zi)(zi)(zi)薯(shu)(shu)(shu)具有(you)外觀形態好,花青素(su)(su)適中(zhong),品(pin)(pin)質(zhi)極佳和(he)(he)(he)耐貯(zhu)藏,明顯區別于(yu)其(qi)他產地(di)同類產品(pin)(pin)的(de)(de)特(te)點。由于(yu)富含(han)花青素(su)(su)等(deng)對人體營養(yang)的(de)(de)保健(jian)(jian)物,因而(er)被認定(ding)為特(te)用品(pin)(pin)種(zhong)(zhong)。紫(zi)(zi)(zi)薯(shu)(shu)(shu)紫(zi)(zi)(zi)皮、紫(zi)(zi)(zi)肉都可(ke)(ke)食(shi)用,味(wei)道略甜。花青素(su)(su)含(han)量(liang)(liang)20~180mg/100克。有(you)較高(gao)的(de)(de)食(shi)用和(he)(he)(he)藥用價值,是一種(zhong)(zhong)純天然(ran)的(de)(de)保健(jian)(jian)食(shi)品(pin)(pin)。鮮薯(shu)(shu)(shu)出干率8~30%左(zuo)右,莖(jing)并不一定(ding)是紫(zi)(zi)(zi)色,葉柄、葉脈也不一定(ding)是紫(zi)(zi)(zi)色,但(dan)薯(shu)(shu)(shu)肉一定(ding)是紫(zi)(zi)(zi)色,多數品(pin)(pin)種(zhong)(zhong)葉片肥厚,生長(chang)勢較強(qiang),種(zhong)(zhong)薯(shu)(shu)(shu)萌芽力強(qiang),種(zhong)(zhong)苗成(cheng)活率高(gao)。一般(ban)生長(chang)期(qi)(qi)120天以上(shang)(shang),產量(liang)(liang)水(shui)平(ping)可(ke)(ke)達1250~2200kg/畝,稍(shao)低于(yu)普通(tong)甘薯(shu)(shu)(shu)。也可(ke)(ke)在(zai)生長(chang)90~100天時(shi)采(cai)挖,提早上(shang)(shang)市,但(dan)產量(liang)(liang)較低。在(zai)無(wu)霜期(qi)(qi)短的(de)(de)地(di)方一年可(ke)(ke)種(zhong)(zhong)2季曾至3季,經濟效益非(fei)常高(gao),在(zai)國際、國內市場十分走俏,市場發展(zhan)前景極為廣闊(kuo)。
產地環境
金(jin)堂縣(xian)縣(xian)境地(di)(di)處四川(chuan)盆(pen)地(di)(di)西(xi)(xi)部(bu),跨盆(pen)中(zhong)和(he)(he)盆(pen)西(xi)(xi)兩(liang)大褶皺帶(dai)(dai),成(cheng)(cheng)(cheng)都平(ping)(ping)原(yuan)東(dong)沿,川(chuan)中(zhong)丘陵(ling)(ling)(ling)西(xi)(xi)緣(yuan),龍泉山脈(mo)中(zhong)段由東(dong)北(bei)轉(zhuan)向西(xi)(xi)南(nan)橫臥縣(xian)域中(zhong)部(bu),形成(cheng)(cheng)(cheng)西(xi)(xi)北(bei)高(gao)逐漸向東(dong)南(nan)降(jiang)低(di)(di)的(de)(de)地(di)(di)勢。縣(xian)域位于成(cheng)(cheng)(cheng)都平(ping)(ping)原(yuan)與(yu)川(chuan)中(zhong)丘陵(ling)(ling)(ling)接壤地(di)(di)帶(dai)(dai)。地(di)(di)域由平(ping)(ping)壩(ba)、丘陵(ling)(ling)(ling)、低(di)(di)山組成(cheng)(cheng)(cheng),西(xi)(xi)北(bei)部(bu)屬川(chuan)西(xi)(xi)平(ping)(ping)原(yuan),沖積平(ping)(ping)壩(ba)與(yu)淺(qian)丘占幅員面積的(de)(de)14.7%;東(dong)南(nan)部(bu)屬川(chuan)中(zhong)丘陵(ling)(ling)(ling)區(qu)(qu),丘陵(ling)(ling)(ling)占74%;中(zhong)部(bu)低(di)(di)山11.3%。地(di)(di)勢最高(gao)峰(feng)在棲賢(xian)鄉(xiang)尖山村老牛坡,海拔1048.7米(mi);最低(di)(di)處在云合鎮江(jiang)龍橋(qiao)村,海拔386米(mi)。境內屬四川(chuan)盆(pen)地(di)(di)亞(ya)熱帶(dai)(dai)濕潤氣候區(qu)(qu)的(de)(de)"盆(pen)地(di)(di)北(bei)部(bu)區(qu)(qu)"。位于成(cheng)(cheng)(cheng)都平(ping)(ping)原(yuan)東(dong)部(bu)、川(chuan)中(zhong)丘陵(ling)(ling)(ling)西(xi)(xi)緣(yuan)。屬中(zhong)國亞(ya)熱帶(dai)(dai)季(ji)(ji)風氣候區(qu)(qu)中(zhong)部(bu)。氣候溫(wen)和(he)(he),四季(ji)(ji)分明(ming),雨(yu)量(liang)充沛(pei),濕度大,云霧多,乏日照,平(ping)(ping)均風速(su)小,無霜期長(chang),大陸性季(ji)(ji)風氣候顯著,具有(you)春來較早(zao)、夏(xia)長(chang)、秋(qiu)冬短(duan)的(de)(de)特(te)點。非(fei)常適(shi)宜紫薯(shu)生長(chang),生產出(chu)的(de)(de)紫薯(shu)具有(you)外觀(guan)形態好,花青(qing)素適(shi)中(zhong),品質極佳和(he)(he)耐貯藏等(deng)明(ming)顯區(qu)(qu)別于其他產地(di)(di)同類產品的(de)(de)特(te)點。
生產情況
金(jin)堂(tang)(tang)紫(zi)(zi)薯(shu)(shu)的(de)種(zhong)植歷史可(ke)追溯至20世(shi)紀90年代初(chu)。2010年,列入四(si)川(chuan)省標準化(hua)種(zhong)植示范(fan)區建(jian)設項目,同年金(jin)堂(tang)(tang)紫(zi)(zi)薯(shu)(shu)系(xi)列產品通過(guo)有(you)(you)(you)(you)機(ji)產品認(ren)證(zheng)(zheng)(zheng)。2011年,金(jin)堂(tang)(tang)紫(zi)(zi)薯(shu)(shu)種(zhong)植面積達3萬余(yu)畝,總(zong)產值(zhi)達1.5億元/年。21世(shi)紀初(chu),四(si)川(chuan)綠(lv)(lv)山農(nong)業(ye)(ye)開發(fa)有(you)(you)(you)(you)限(xian)公司(si)開發(fa)建(jian)設了"中(zhong)國·成都紫(zi)(zi)色植物產業(ye)(ye)示范(fan)園(yuan)",在金(jin)堂(tang)(tang)質監局的(de)幫(bang)助下,該(gai)公司(si)建(jian)立健全標準體(ti)系(xi),制(zhi)訂《紫(zi)(zi)薯(shu)(shu)泥》、《紫(zi)(zi)薯(shu)(shu)全粉》等企業(ye)(ye)標準,在取得QS認(ren)證(zheng)(zheng)(zheng)的(de)基礎上,經多次協(xie)調對接,中(zhong)國檢(jian)驗(yan)認(ren)證(zheng)(zheng)(zheng)集(ji)團四(si)川(chuan)有(you)(you)(you)(you)限(xian)公司(si)與四(si)川(chuan)綠(lv)(lv)山農(nong)業(ye)(ye)開發(fa)有(you)(you)(you)(you)限(xian)公司(si)達成了認(ren)證(zheng)(zheng)(zheng)服務和認(ren)證(zheng)(zheng)(zheng)評審協(xie)議。中(zhong)國檢(jian)驗(yan)認(ren)證(zheng)(zheng)(zheng)集(ji)團四(si)川(chuan)有(you)(you)(you)(you)限(xian)公司(si)為四(si)川(chuan)綠(lv)(lv)山農(nong)業(ye)(ye)開發(fa)有(you)(you)(you)(you)限(xian)公司(si)在良好農(nong)業(ye)(ye)規范(fan)(GAP)和有(you)(you)(you)(you)機(ji)紫(zi)(zi)薯(shu)(shu)認(ren)證(zheng)(zheng)(zheng)體(ti)系(xi)建(jian)設、人員培訓等方面提供全方位的(de)指導,幫(bang)助該(gai)公司(si)順利通過(guo)GAP和有(you)(you)(you)(you)機(ji)認(ren)證(zheng)(zheng)(zheng)。
地理標志
根據《地理(li)標志(zhi)(zhi)(zhi)產品(pin)(pin)保護規定》,國家(jia)質檢(jian)總局組(zu)織專家(jia)對金堂紫薯(shu)地理(li)標志(zhi)(zhi)(zhi)產品(pin)(pin)保護申請(qing)進行審(shen)查(cha)。經審(shen)查(cha)合格,批準金堂紫薯(shu)為地理(li)標志(zhi)(zhi)(zhi)保護產品(pin)(pin),自2011年11月30日起實施保護。
產地范圍
金(jin)堂紫薯產地范圍為四川省金(jin)堂縣(xian)白果鎮(zhen)(zhen)(zhen)、五鳳鎮(zhen)(zhen)(zhen)、高板鎮(zhen)(zhen)(zhen)、平橋(qiao)鄉、竹篙鎮(zhen)(zhen)(zhen)、隆盛鎮(zhen)(zhen)(zhen)、轉龍鎮(zhen)(zhen)(zhen)、廣(guang)興鎮(zhen)(zhen)(zhen)、土(tu)橋(qiao)鎮(zhen)(zhen)(zhen)、又新(xin)鎮(zhen)(zhen)(zhen)、云合鎮(zhen)(zhen)(zhen)11個鄉鎮(zhen)(zhen)(zhen)所轄行政區(qu)域。
專用標志使用
金堂(tang)紫薯產地范圍內的生產者,可(ke)向四(si)(si)(si)川省金堂(tang)縣質(zhi)(zhi)量技術(shu)(shu)監(jian)督(du)(du)局提出使用"地理標志產品專用標志"的申請,經(jing)四(si)(si)(si)川省質(zhi)(zhi)量技術(shu)(shu)監(jian)督(du)(du)局審核(he),報國家質(zhi)(zhi)檢(jian)總局核(he)準后予以(yi)公告。金堂(tang)紫薯的法定(ding)檢(jian)測機構由(you)四(si)(si)(si)川省質(zhi)(zhi)量技術(shu)(shu)監(jian)督(du)(du)局負責指定(ding)。