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除農殘洗滌劑不比清水好


編(bian)輯:2024-03-19 09:05:28

什(shen)么是綠色食品?

綠(lv)(lv)色(se)(se)(se)食(shi)(shi)品(pin)是指產(chan)(chan)(chan)自優良生態環境、按照綠(lv)(lv)色(se)(se)(se)食(shi)(shi)品(pin)標準生產(chan)(chan)(chan)、實行全程質量控制并獲得綠(lv)(lv)色(se)(se)(se)食(shi)(shi)品(pin)標志(zhi)使用權的(de)****、優質食(shi)(shi)用農產(chan)(chan)(chan)品(pin)及相關產(chan)(chan)(chan)品(pin)。注(zhu)冊形式有(you)4種:包括綠(lv)(lv)色(se)(se)(se)食(shi)(shi)品(pin)標志(zhi)圖形、綠(lv)(lv)色(se)(se)(se)食(shi)(shi)品(pin)中(zhong)英文、標志(zhi)圖形與文字(zi)組合(he)。

什么是(shi)有(you)機(ji)食品?

有(you)(you)機(ji)食(shi)品指來(lai)自有(you)(you)機(ji)農(nong)業(ye)生產(chan)體(ti)系,根據有(you)(you)機(ji)農(nong)業(ye)生產(chan)要求和相應標準生產(chan)加工,并且(qie)通過(guo)合(he)法的(de)有(you)(you)機(ji)食(shi)品認證機(ji)構(gou)認證的(de)農(nong)副產(chan)品及其(qi)加工品。有(you)(you)機(ji)食(shi)品在(zai)不(bu)同的(de)語言中有(you)(you)不(bu)同的(de)名稱,國外(wai)**普(pu)遍(bian)的(de)叫(jiao)法是organic food,在(zai)其(qi)他語種中也有(you)(you)稱生態(tai)食(shi)品、自然食(shi)品等。

如(ru)何保存(cun)茶葉?

茶(cha)(cha)(cha)葉(xie)(xie)的貯(zhu)藏(zang)(zang)保(bao)鮮(xian)(xian)很(hen)重要(yao),如(ru)果保(bao)存(cun)不當(dang),會使(shi)茶(cha)(cha)(cha)葉(xie)(xie)失去新鮮(xian)(xian)感(gan),使(shi)茶(cha)(cha)(cha)葉(xie)(xie)色(se)、香(xiang)、味、形(xing)改變(bian),降(jiang)低茶(cha)(cha)(cha)葉(xie)(xie)的飲用(yong)價(jia)值。而保(bao)管好的茶(cha)(cha)(cha)葉(xie)(xie),即使(shi)存(cun)放一(yi)(yi)兩年(nian),沖泡后,香(xiang)氣(qi)依存(cun),滋味不變(bian),如(ru)新茶(cha)(cha)(cha)一(yi)(yi)般。茶(cha)(cha)(cha)葉(xie)(xie)貯(zhu)藏(zang)(zang)保(bao)鮮(xian)(xian)的四大影響因素是溫(wen)度(du)、濕度(du)、氧(yang)(yang)氣(qi)和光線,因此(ci),理想的茶(cha)(cha)(cha)葉(xie)(xie)貯(zhu)藏(zang)(zang)保(bao)鮮(xian)(xian)條件是低溫(wen)、低濕、絕(jue)氧(yang)(yang)和避光。一(yi)(yi)般茶(cha)(cha)(cha)葉(xie)(xie)商品(pin)均有(you)包裝,茶(cha)(cha)(cha)葉(xie)(xie)購買(mai)回來后不要(yao)拆封,直接放到冰(bing)(bing)箱內(nei)冷(leng)藏(zang)(zang),往(wang)往(wang)*比較理想,如(ru)果冷(leng)凍,則(ze)*更好。冰(bing)(bing)箱貯(zhu)藏(zang)(zang)保(bao)鮮(xian)(xian)茶(cha)(cha)(cha)葉(xie)(xie)時,一(yi)(yi)要(yao)防止冰(bing)(bing)箱中的異味污染(ran)茶(cha)(cha)(cha)葉(xie)(xie),二是茶(cha)(cha)(cha)葉(xie)(xie)含水量(liang)要(yao)低,必(bi)須是干(gan)燥的。

如(ru)何識別(bie)注水肉?

日(ri)常有(you)下列3種方法(fa):一是(shi)(shi)觀察:注水(shui)后(hou)(hou)的(de)肌肉(rou)(rou)很濕潤,肌肉(rou)(rou)表(biao)面有(you)水(shui)淋淋的(de)亮光(guang),大血(xue)管(guan)和小血(xue)管(guan)周圍出(chu)現半透明(ming)狀(zhuang)的(de)紅色(se)膠(jiao)樣浸濕,肌肉(rou)(rou)間結締組織呈(cheng)半透明(ming)紅色(se)膠(jiao)凍(dong)狀(zhuang),橫切(qie)面可見(jian)到淡紅色(se)的(de)肌肉(rou)(rou)。如(ru)果(guo)是(shi)(shi)凍(dong)結后(hou)(hou)的(de)牛肉(rou)(rou),切(qie)面上(shang)能見(jian)到大小不(bu)等的(de)結晶(jing)冰粒。二是(shi)(shi)刀切(qie):注水(shui)后(hou)(hou)的(de)肉(rou)(rou),用刀切(qie)開(kai)時,肌纖維(wei)間的(de)水(shui)會順刀口流出(chu)。如(ru)果(guo)是(shi)(shi)凍(dong)肉(rou)(rou),刀切(qie)時可聽到沙沙聲,甚(shen)至有(you)冰疙瘩落下。三(san)是(shi)(shi)化(hua)(hua)凍(dong):注水(shui)凍(dong)結后(hou)(hou)的(de)肉(rou)(rou),在化(hua)(hua)凍(dong)時,盆中化(hua)(hua)凍(dong)后(hou)(hou)的(de)水(shui)是(shi)(shi)暗紅色(se),這是(shi)(shi)肌纖維(wei)被凍(dong)結冰脹裂,致使大量漿液外流的(de)緣故。

酸奶、調(diao)制乳和(he)乳味飲料(liao)有哪些分類?

日常消費者購(gou)買的(de)酸奶有(you)發(fa)(fa)酵(jiao)(jiao)乳(ru)(ru)、酸乳(ru)(ru)、風(feng)味(wei)發(fa)(fa)酵(jiao)(jiao)乳(ru)(ru)和(he)風(feng)味(wei)酸乳(ru)(ru)。發(fa)(fa)酵(jiao)(jiao)乳(ru)(ru)和(he)酸乳(ru)(ru)是(shi)以生(sheng)牛(niu)(niu)(羊)乳(ru)(ru)或(huo)乳(ru)(ru)粉為原(yuan)(yuan)料,經****、發(fa)(fa)酵(jiao)(jiao)后制(zhi)(zhi)成的(de)產品(pin);風(feng)味(wei)發(fa)(fa)酵(jiao)(jiao)乳(ru)(ru)和(he)風(feng)味(wei)酸乳(ru)(ru)是(shi)以80%以上生(sheng)牛(niu)(niu)(羊)乳(ru)(ru)或(huo)乳(ru)(ru)粉為原(yuan)(yuan)料,添(tian)加(jia)(jia)其他(ta)原(yuan)(yuan)料,經****、發(fa)(fa)酵(jiao)(jiao),發(fa)(fa)酵(jiao)(jiao)前或(huo)后添(tian)加(jia)(jia)或(huo)不添(tian)加(jia)(jia)食(shi)(shi)品(pin)添(tian)加(jia)(jia)劑(ji)、營養(yang)強(qiang)化劑(ji)、果蔬、谷物等制(zhi)(zhi)成的(de)產品(pin)。調(diao)制(zhi)(zhi)乳(ru)(ru)或(huo)乳(ru)(ru)味(wei)飲料是(shi)以不低(di)于(yu)80%生(sheng)牛(niu)(niu)(羊)乳(ru)(ru)或(huo)復(fu)原(yuan)(yuan)乳(ru)(ru)為主要原(yuan)(yuan)料,添(tian)加(jia)(jia)其他(ta)原(yuan)(yuan)料或(huo)食(shi)(shi)品(pin)添(tian)加(jia)(jia)劑(ji)或(huo)營養(yang)強(qiang)化劑(ji),經****或(huo)****工序制(zhi)(zhi)得的(de)液體產品(pin)。小朋友們愛(ai)喝的(de)草莓牛(niu)(niu)奶、香(xiang)蕉牛(niu)(niu)奶、巧克力牛(niu)(niu)奶、花生(sheng)牛(niu)(niu)奶等,一般屬于(yu)調(diao)制(zhi)(zhi)乳(ru)(ru)或(huo)乳(ru)(ru)味(wei)飲料,其原(yuan)(yuan)料有(you)水、牛(niu)(niu)奶,添(tian)加(jia)(jia)了增稠劑(ji)、食(shi)(shi)用香(xiang)精、防腐劑(ji)等食(shi)(shi)品(pin)添(tian)加(jia)(jia)劑(ji)。

如何看待反(fan)季節蔬(shu)菜?

所謂(wei)反(fan)季(ji)節蔬(shu)(shu)(shu)菜(cai)(cai)(cai),是(shi)指在溫室、大棚等設(she)施(shi)條件下生產出來(lai)的(de)非(fei)當(dang)季(ji)蔬(shu)(shu)(shu)菜(cai)(cai)(cai)。反(fan)季(ji)節蔬(shu)(shu)(shu)菜(cai)(cai)(cai)是(shi)對當(dang)季(ji)蔬(shu)(shu)(shu)菜(cai)(cai)(cai)的(de)有(you)(you)益補(bu)充,有(you)(you)利于(yu)豐富蔬(shu)(shu)(shu)菜(cai)(cai)(cai)市場,滿足消費者(zhe)對蔬(shu)(shu)(shu)菜(cai)(cai)(cai)多樣(yang)化(hua)和(he)均衡營養的(de)需求。其實蔬(shu)(shu)(shu)菜(cai)(cai)(cai)的(de)****與(yu)否和(he)栽(zai)培(pei)(pei)季(ji)節無(wu)關(guan),在食(shi)(shi)用****性上(shang),有(you)(you)人認為反(fan)季(ji)節蔬(shu)(shu)(shu)菜(cai)(cai)(cai)不(bu)****,原因是(shi)設(she)施(shi)條件下溫度、濕度、光(guang)照等條件與(yu)露地不(bu)同,易(yi)發生病蟲(chong)害(hai)。這種觀點有(you)(you)失偏頗,不(bu)夠科學(xue)(xue)和(he)客觀,實際上(shang),無(wu)論當(dang)季(ji)蔬(shu)(shu)(shu)菜(cai)(cai)(cai),還(huan)是(shi)反(fan)季(ji)節蔬(shu)(shu)(shu)菜(cai)(cai)(cai),只要(yao)栽(zai)培(pei)(pei)環境未受到(dao)污染,病蟲(chong)害(hai)防治到(dao)位,農(nong)藥(yao)和(he)肥料使用科學(xue)(xue)、合理(li),生產出來(lai)的(de)蔬(shu)(shu)(shu)菜(cai)(cai)(cai)都(dou)是(shi)****的(de),完全可以(yi)放(fang)心食(shi)(shi)用。特別是(shi)反(fan)季(ji)節蔬(shu)(shu)(shu)菜(cai)(cai)(cai)生產中(zhong)防蟲(chong)網(wang)、黃板(ban)誘殺、二氧化(hua)硫熏(xun)蒸、生物防治等的(de)應用,使得化(hua)學(xue)(xue)農(nong)藥(yao)用量大幅減少。

日常生活中如何(he)去除農產品中的農藥殘(can)留?

在日常生活中,農(nong)(nong)(nong)產(chan)品(pin)中的(de)(de)農(nong)(nong)(nong)藥(yao)(yao)(yao)(yao)殘(can)(can)(can)(can)留(liu)(liu)(liu)可以(yi)通過放(fang)置、洗滌、烹調(diao)和去(qu)皮(pi)等(deng)一(yi)些方法去(qu)除或(huo)減(jian)少(shao)。(1)放(fang)置:農(nong)(nong)(nong)藥(yao)(yao)(yao)(yao)殘(can)(can)(can)(can)留(liu)(liu)(liu)會隨(sui)著時間的(de)(de)延續不(bu)斷降(jiang)解(jie)(jie),一(yi)些耐貯藏的(de)(de)土豆、白菜(cai)、黃(huang)瓜、西紅柿等(deng),購買后可以(yi)放(fang)幾天(tian),一(yi)方面(mian)可以(yi)使農(nong)(nong)(nong)產(chan)品(pin)繼續熟化(hua),另(ling)一(yi)方面(mian)農(nong)(nong)(nong)藥(yao)(yao)(yao)(yao)殘(can)(can)(can)(can)留(liu)(liu)(liu)會因(yin)降(jiang)解(jie)(jie)而減(jian)少(shao)。(2)去(qu)皮(pi):蘋果、梨、柑橘等(deng)農(nong)(nong)(nong)產(chan)品(pin)表皮(pi)上的(de)(de)農(nong)(nong)(nong)藥(yao)(yao)(yao)(yao)殘(can)(can)(can)(can)留(liu)(liu)(liu)一(yi)般(ban)都(dou)要(yao)高于(yu)(yu)內部(bu)組織(zhi),因(yin)此(ci)(ci),削皮(pi)、剝皮(pi)是去(qu)除農(nong)(nong)(nong)藥(yao)(yao)(yao)(yao)殘(can)(can)(can)(can)留(liu)(liu)(liu)的(de)(de)一(yi)個很好的(de)(de)方法。(3)洗滌:殘(can)(can)(can)(can)存(cun)于(yu)(yu)農(nong)(nong)(nong)產(chan)品(pin)表面(mian)或(huo)外部(bu)的(de)(de)農(nong)(nong)(nong)藥(yao)(yao)(yao)(yao)殘(can)(can)(can)(can)留(liu)(liu)(liu)易被水(shui)或(huo)洗潔精(jing)沖洗掉(diao),因(yin)此(ci)(ci)在烹調(diao)前將蔬(shu)菜(cai)用(yong)水(shui)泡(pao)半個小時,或(huo)適(shi)當加洗潔精(jing)沖洗,基(ji)本可去(qu)除表面(mian)的(de)(de)農(nong)(nong)(nong)藥(yao)(yao)(yao)(yao)殘(can)(can)(can)(can)留(liu)(liu)(liu)。(4)烹調(diao):高溫一(yi)般(ban)可以(yi)使農(nong)(nong)(nong)藥(yao)(yao)(yao)(yao)殘(can)(can)(can)(can)留(liu)(liu)(liu)更快地降(jiang)解(jie)(jie)。然而,需要(yao)說明的(de)(de)是,無論采用(yong)什么方法,要(yao)完全****農(nong)(nong)(nong)產(chan)品(pin)中的(de)(de)農(nong)(nong)(nong)藥(yao)(yao)(yao)(yao)殘(can)(can)(can)(can)留(liu)(liu)(liu),特(te)別是已經(jing)進(jin)入(ru)農(nong)(nong)(nong)產(chan)品(pin)內部(bu)組織(zhi)的(de)(de)少(shao)量農(nong)(nong)(nong)藥(yao)(yao)(yao)(yao)殘(can)(can)(can)(can)留(liu)(liu)(liu)是難以(yi)做到的(de)(de)。

如何選(xuan)購(gou)保健食品

正確認識保(bao)(bao)健(jian)(jian)(jian)(jian)食(shi)品(pin)(pin)(pin)(pin)。保(bao)(bao)健(jian)(jian)(jian)(jian)食(shi)品(pin)(pin)(pin)(pin)一般不(bu)能在短時(shi)間(jian)內有(you)明顯的保(bao)(bao)健(jian)(jian)(jian)(jian)作用(yong)。(1)弄(nong)清(qing)自己(ji)購(gou)(gou)(gou)(gou)買(mai)的是(shi)(shi)保(bao)(bao)健(jian)(jian)(jian)(jian)食(shi)品(pin)(pin)(pin)(pin)還是(shi)(shi)藥(yao)(yao)品(pin)(pin)(pin)(pin),不(bu)輕信(xin)廣告或銷售(shou)承諾,不(bu)把保(bao)(bao)健(jian)(jian)(jian)(jian)食(shi)品(pin)(pin)(pin)(pin)當藥(yao)(yao)品(pin)(pin)(pin)(pin)用(yong)來治病,根據自身實際需要(yao)向正規醫生(sheng)咨詢是(shi)(shi)否適用(yong)此類保(bao)(bao)健(jian)(jian)(jian)(jian)食(shi)品(pin)(pin)(pin)(pin);(2)購(gou)(gou)(gou)(gou)買(mai)保(bao)(bao)健(jian)(jian)(jian)(jian)食(shi)品(pin)(pin)(pin)(pin)時(shi)選擇(ze)正規的有(you)營業執照的商場、超市或藥(yao)(yao)店;(3)購(gou)(gou)(gou)(gou)買(mai)保(bao)(bao)健(jian)(jian)(jian)(jian)食(shi)品(pin)(pin)(pin)(pin)時(shi)認準(zhun)保(bao)(bao)健(jian)(jian)(jian)(jian)食(shi)品(pin)(pin)(pin)(pin)的批(pi)準(zhun)文號及(ji)保(bao)(bao)健(jian)(jian)(jian)(jian)食(shi)品(pin)(pin)(pin)(pin)的標志(zhi);(4)購(gou)(gou)(gou)(gou)買(mai)保(bao)(bao)健(jian)(jian)(jian)(jian)食(shi)品(pin)(pin)(pin)(pin)時(shi)要(yao)看清(qing)產品(pin)(pin)(pin)(pin)的生(sheng)產日期(qi)及(ji)有(you)效期(qi);(5)購(gou)(gou)(gou)(gou)買(mai)保(bao)(bao)健(jian)(jian)(jian)(jian)食(shi)品(pin)(pin)(pin)(pin)時(shi)看清(qing)保(bao)(bao)健(jian)(jian)(jian)(jian)功能及(ji)適用(yong)人(ren)群(qun)、不(bu)適宜人(ren)群(qun)等(deng)內容(rong);(6)購(gou)(gou)(gou)(gou)買(mai)保(bao)(bao)健(jian)(jian)(jian)(jian)食(shi)品(pin)(pin)(pin)(pin)時(shi)應索取并保(bao)(bao)存(cun)好銷售(shou)發票。


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