感官特(te)色(se):白城綠(lv)豆具有粒大(千(qian)粒重≥62g)、顆粒飽(bao)滿、色(se)澤明(ming)亮、鮮綠(lv)等(deng)明(ming)顯特(te)點。
白(bai)(bai)(bai)城(cheng)(cheng)綠(lv)豆(dou)(dou),吉林省白(bai)(bai)(bai)城(cheng)(cheng)市特產(chan)(chan)(chan)。白(bai)(bai)(bai)城(cheng)(cheng)市種(zhong)植綠(lv)豆(dou)(dou)歷史悠(you)久(jiu),被(bei)(bei)譽為(wei)(wei)(wei)“綠(lv)豆(dou)(dou)之都(dou)”。所產(chan)(chan)(chan)綠(lv)豆(dou)(dou)品(pin)質(zhi)優異,2007年被(bei)(bei)批(pi)準(zhun)為(wei)(wei)(wei)白(bai)(bai)(bai)城(cheng)(cheng)地(di)(di)理標志產(chan)(chan)(chan)品(pin)。白(bai)(bai)(bai)城(cheng)(cheng)綠(lv)豆(dou)(dou)具(ju)有(you)粒(li)大(千粒(li)重≥62g)、顆粒(li)飽滿、色澤明(ming)亮、鮮綠(lv)等明(ming)顯特點(dian)。以(yi)100g綠(lv)豆(dou)(dou)樣品(pin)為(wei)(wei)(wei)標準(zhun):標蛋白(bai)(bai)(bai)質(zhi)≥22.00g、粗淀(dian)粉≥51.00g、水份≤13.50g、脂肪≤1.40g、糖類(以(yi)總糖計)≤5.30g、粗纖維≥3.50g、鈣≥14mg、磷(lin)≤23mg、鐵≥0.04mg。市場反應良好。白(bai)(bai)(bai)城(cheng)(cheng)市是吉林省乃至(zhi)中國的(de)(de)(de)(de)綠(lv)豆(dou)(dou)主產(chan)(chan)(chan)區(qu),種(zhong)植歷史悠(you)久(jiu)。由于(yu)地(di)(di)處(chu)于(yu)松(song)嫩(nen)平(ping)原(yuan)腹地(di)(di),,科爾(er)沁草原(yuan)東部。土質(zhi)多為(wei)(wei)(wei)第(di)四紀(ji)洮兒(er)河沖(chong)積層(ceng),表層(ceng)多為(wei)(wei)(wei)栗(li)鈣土、沙壤(rang)土,滲透性好,地(di)(di)勢平(ping)坦,土壤(rang)有(you)機(ji)質(zhi)含(han)量≥1.5%,全(quan)氮含(han)量0.12%至(zhi)0.22%,全(quan)磷(lin)含(han)量≥0.20%,全(quan)鉀(jia)含(han)量≥2.5%,土壤(rang)pH值7.0至(zhi)8.2,特別(bie)適合(he)綠(lv)豆(dou)(dou)的(de)(de)(de)(de)生產(chan)(chan)(chan)及繁育。光熱資源(yuan)豐富(fu),無霜(shuang)期為(wei)(wei)(wei)125-140天,日(ri)照時(shi)(shi)數2960小時(shi)(shi),≥10℃的(de)(de)(de)(de)有(you)效積溫高達2900-3100℃,在8~9月份晝夜溫差達14~15℃,有(you)利于(yu)農作物的(de)(de)(de)(de)營養(yang)物質(zhi)積累(lei),提(ti)高綠(lv)豆(dou)(dou)的(de)(de)(de)(de)質(zhi)量。特別(bie)是秋季干燥的(de)(de)(de)(de)氣候特點(dian),更有(you)利于(yu)綠(lv)豆(dou)(dou)的(de)(de)(de)(de)干燥及著色,提(ti)高綠(lv)豆(dou)(dou)的(de)(de)(de)(de)品(pin)質(zhi)。