Ethyl vavillin
Ko te ahuru a Vanillill te pūhui waro me te tātai (C2H5o) (Ho) C6h3Cho. Ko tenei kakano kaore e tae ki te mowhiti Benzroxyl, te Ethoxy, me nga roopu whaihua i runga i te 4, 3, me 1 nga tūranga.
Ko te Ethyl Vanillin he ngota ngota, kaore i kitea i roto i te taiao. Kua rite ma te maha o nga kaupae mai i te Catechol, ka tiimata me te mata ki te hoatu "GueThol". Ko tenei whakaurunga o tenei eter me te waikawa glyoxylic kia hoatu ai i te huringa waikawa mandelic e tika ana, e whakaatu ana i texidation me te decorboxlelat.
Ka rite ki te flavorant, ko te ethyl vavillin e toru nga wa e rite ana ki a Vanillin ka whakamahia i roto i te hanga tiakarete.
Tūemi | Paerewa |
Putanga | Pai ma, he kowhatu kowhai ranei |
Hā | Te ahua o te vanilla, kaha ake i te valillin |
Whakarewa | 1 Gram of Ethyl Vanillin Me whakatika i roto i te 2ml 95% etanol, me te whakaoti otinga |
Te ma (maroke maroke, HPLC) | 99% min |
Te ngaronga i te whakamaroke | 0.5% MAX |
Rewa ira (℃) | 76.0- 78.0 |
Arsenic (rite) | 3 mg / kg Max |
Metara taimaha (rite pb) | 10 mg / kg max |
Toenga i runga i te wareware | 0.05% MAX |
Pākoro: I roto i te maroke, raumati, me te waahi totika me te kapi taketake, ka karo i te makuku, te rokiroki i te pāmahana rūma.
Te ora stref: 48 marama
Paati: I roto25kg / putea
tukunga: TINO
1. He aha nga tikanga o to utu?
T / t or l / c.
2. He aha te waa tuku?
I te nuinga o te wa ka whakarite matou i te tuku i roto i nga ra 7 -15.
3. Me pehea te paoho?
I te nuinga o te wa ka whakaratohia e matou te kohi i te 25 kg / putea, ki te kaari ranei. Ae ra, mena he hiahia motuhake taau ki a raatau, ka rite ki a koe.
4. Pehea te whaimana o nga hua?
E ai ki nga hua i whakahaua e koe.
5. He aha nga tuhinga e whakaratohia ana e koe?
I te nuinga o te wa, ka whakaratohia e matou he nama arumoni, raarangi whakauru, pire o te uta, te taha ko te tiwhikete hauora me te tiwhikete Takenga. Mena he mea motuhake to maakete, kia mohio tatou.
6. He aha te uta i te tauranga?
Ko te tikanga ko Shanghai, QingDao, tiianjin ranei.