Waikawa propionic

Whakaahuatanga Poto:

Ingoa hua:Waikawa propionic

Nama CAS:79-09-4

Te rahinga ota iti rawa:1000kgs

Ngā taonga	Whakatakotoranga	Ngā Hua
Āhua	Hinu kore tae ki te kōwhai mārama	I whaihia
Kakara	He kakara paku kino	I whaihia
% Whakamātautau	≥99.5	99.68
Kiato (20C) karamu/cm3	0.993-0.997	0.995
Te pūwāhi koropupū	138.5~142.5	I whaihia
Aldehyde (propionaldehyde)%	≤ 0.05	0.03%
% Makuku	≤0.15	0. 13
% toenga mimiti	≤ 0.01	0.002
Waikura (waikawa formic) %	≤ 0.05	<0.05
Konganuku taumaha (pb) (mg/kg)	≤2.0	<2.0
(As)/(mg/kg)	≤ 3.0	<3.0

Tukua mai he īmēra ki a mātou

Taipitopito Hua

Ngā Tohu Hua

Te whakamahinga o te waikawa propionic

1. Ka whakamahia hei ārai i te kiri hei whakapai ake i te ātete ki te kawakore o te hiako me te ōritetanga o te kiri.

2. He matū tiaki kai waikawa anō hoki te konutai propionate, ā, ko tōna pānga bacteriostatic ka pāngia e te uara pH o te taiao. Ko te kukū aukati iti rawa ko te 0.01% i te pH 5.0 me te 0.5% i te pH 6.5. He kaha tōna pānga aukati ki ngā momo pokepokea, ki ngā bacilli gram-negative, ki ngā bacilli aerobic rānei i roto i te reo waikawa. He pānga motuhake tōna ki te karo i te whakaputanga o te aflatoxin, engari kāore e tino whai hua ki te rewena. I roto i te umanga kai, ka taea te whakamahi mō te tiaki keke, ā, ko te nui o te whakamahinga he 2.5g/kg (e tatauhia ana ko te waikawa propionic, koia anō kei raro nei); ko te nui o te whakamahinga mōrahi he 50g/kg i roto i te 3% ki te 5% wai wai e rumakina ana ki te bayberry. Ka taea hoki te whakamahi hei rongoā harore mō te whāngai.

3, kai, whāngai kararehe me te rongoā patu huakita, kaihoko harore. Ko te nui tāpiri whānui ko te 0.1-0.3%.

4. Ngā mea tiaki whakapaipai. He whānuitia ngā pānga patu huakita ki te harore, te rewena me te. He tino kitea te pānga patu huakita i roto i te otinga waikawa. Ko te nui o te tāpiri ki ngā whakapaipai kāore i te neke atu i te 2%. Ngā patu pepeke, ngā patu harore. Te whakatau i ngā transaminases.

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