更新時(shi)間:2023-06-27
維生素C鈉生產廠家 維生素C鈉廠家 維生素C鈉價格性 狀: 白色(se)(se)結晶性粉(fen)末,無臭(chou),味微(wei)咸,易(yi)(yi)溶(rong)(rong)(rong)于(yu)水(shui),分解溫(wen)度218℃,常(chang)溫(wen)下溶(rong)(rong)(rong)解度為(wei)16g/100mLH2O,2%的水(shui)溶(rong)(rong)(rong)液(ye)pH為(wei)6.5~8.0,水(shui)溶(rong)(rong)(rong)液(ye)易(yi)(yi)被空氣氧(yang)化,微(wei)量的金(jin)屬離子(zi)、熱、光均(jun)可以加速其氧(yang)化。干燥狀態(tai)下穩定(ding),吸潮后及在(zai)水(shui)溶(rong)(rong)(rong)液(ye)中(zhong)緩(huan)慢(man)氧(yang)化分解。遇光顏色(se)(se)轉深。極難。比L-抗壞血(xue)酸(suan)易(yi)(yi)溶(rong)(rong)(rong)于(yu)水(shui)(62g/100ml),不(bu)溶(rong)(rong)(rong)于(yu)。
貨號 | 食品級 | 規格 | 25*1 |
---|---|---|---|
供貨周期 | 現貨 | 主要用途 | 添加劑 |
應用領域 | 食品 |
維生(sheng)(sheng)素C鈉(na)生(sheng)(sheng)產廠家 維生(sheng)(sheng)素C鈉(na)廠家 維生(sheng)(sheng)素C鈉(na)價格
別 名: 維生(sheng)素C鈉,L-抗(kang)壞血酸鈉
性 狀: 白色結晶(jing)性粉末,無臭,味(wei)微咸(xian),易(yi)溶(rong)(rong)(rong)于水,分解溫度218℃,常溫下(xia)(xia)溶(rong)(rong)(rong)解度為(wei)16g/100mLH2O,2%的水溶(rong)(rong)(rong)液pH為(wei)6.5~8.0,水溶(rong)(rong)(rong)液易(yi)被空氣氧化(hua),微量的金屬離子(zi)、熱(re)、光(guang)(guang)均可以加速其氧化(hua)。干燥狀態下(xia)(xia)穩定,吸潮后及在(zai)水溶(rong)(rong)(rong)液中緩慢(man)氧化(hua)分解。遇光(guang)(guang)顏色轉深。極難溶(rong)(rong)(rong)于乙醇。比L-抗(kang)壞(huai)(huai)血(xue)(xue)酸(suan)(suan)易(yi)溶(rong)(rong)(rong)于水(62g/100ml),不溶(rong)(rong)(rong)于。在(zai)酸(suan)(suan)性條件下(xia)(xia),可形成異抗(kang)壞(huai)(huai)血(xue)(xue)酸(suan)(suan)。異抗(kang)壞(huai)(huai)血(xue)(xue)酸(suan)(suan)為(wei)抗(kang)壞(huai)(huai)血(xue)(xue)酸(suan)(suan)(維生素(su)C)的光(guang)(guang)學異構(gou)體(ti)(異抗(kang)壞(huai)(huai)血(xue)(xue)酸(suan)(suan)為(wei)D-構(gou)型(xing),抗(kang)壞(huai)(huai)血(xue)(xue)酸(suan)(suan)為(wei)L-構(gou)型(xing))。
主要用于(yu):用作食(shi)(shi)品的抗氧化劑,用于(yu)肉食(shi)(shi)品,魚食(shi)(shi)品,啤酒,水(shui)果汁,果汁晶,水(shui)果和(he)蔬菜罐頭,糕點,乳制品,果醬,咸菜,油脂等。可保持食(shi)(shi)品的色澤,自(zi)然風味和(he)延長保持期。