wipes ruwa, wipes mafita

A cikin tsarin samar da kayayyakin wipes mai zafi, amincin kwayoyin cuta na ruwan wipes mai zafi yana da alaƙa kai tsaye da ingancin tsabtace samfurin da amincin masu amfani. Ko ne jarirai wipes, fata kula wipes, shafi shafi cire wipes ko tsaftacewa wipes, ruwa bangare na ruwa wipes dole ne a gudanar da tsananin kwayoyin cuta gwaji don tabbatar da bin ƙa'idodin inganci na ƙasa da na duniya.

Wannan labarin zai gabatar da manyan abubuwa, hanyoyin gwaji, ƙa'idodin iyaka da fassarar sakamakon gwajin kwayoyin cuta na ruwa na ruwa.

一. Manufar gwajin

Manufar gwajin kwayoyin cuta na ruwan wanka mai ruwa shine:

Tabbatar da cewa babu gurɓataccen kwayoyin cuta a cikin ruwa

Kula da jimlar yawan mallakar a cikin kewayon aminci

Tabbatar da ingancin tsarin kiyaye tsari

Cika ka'idoji kamar GB 15979, ISO 11930, USP <61>/<62>, da sauransu.

二. Abubuwan gwaji na gargajiya da iyakoki (tunani GB 15979)

Abubuwan gwaji	Ƙididdigar iyaka
Jimlar yawan mallakar (CFU / g ko CFU / mL)	≤1000
Jimlar yawan yisti da ƙwaƙwalwa	≤100
Escherichia coli (E. coli)	Ba za a iya ganowa ba (a kowace 0.1g ko 0.1mL)
Staphylococcus aureus (S. aureus)	Ba za a iya ganowa ba
Pseudomonas aeruginosa (P. aeruginosa)	Ba za a iya ganowa ba
Candida albicans (C. albicans)	Ba za a iya ganowa ba (buƙatun nau'in ɓangare)

Ka'idodin da ke sama galibi ana amfani da su ga buƙatun sarrafawa na ruwan wanka mai ruwa a matsayin samfuran da aka gama ko matsakaici kafin cikawa ko haɗuwa.

三. Cikakken bayani game da hanyar ganowa

1. Jimlar yawan mulkin mallaka / yisti da ƙwaƙwalwa

Tsarin samfurin:

Ka ɗauki 1g na wipes na ruwa ko 1mL na ruwa na wipes na ruwa

Ƙara 9mL mai lalacewa mai lalacewa

Yi sau 10 na serial dilution

Matsakaicin al'adu da yanayi:

Abubuwan gwaji Matsakaicin al'adu Yanayin al'adu

Jimlar yawan mallakar NA ko TSA 35 ° C, sa'o'i 48

Jimlar lissafin yisti da ƙwaƙwalwa SDA 25 ° C, kwanaki 5-7

2. Gano iyakar ƙwayoyin cuta masu cutarwa (inganci)

Gano kowane kwayar cuta yana amfani da tsarin rabuwa-zaɓi-tabbatarwa na wadatarwa:

Microorganism	Ruwa mai wadatarwa	Matsakaicin al'adu mai zaɓi	Yanayin al'adu
Kasuwancin Escherichia coli	Bile gishiri lactose ruwa	EMB ko MacConkey	35 ° C, awanni 24
Kasuwancin Staphylococcus aureus	Ruwan tryptone	Agar na Baird-Parker	35 ° C, awanni 48
Kasuwancin Pseudomonas aeruginosa	Ruwan tryptone	Cetrimide agar	35 ° C, awanni 48
Candida albicans	SDB	Chromogenic agar	30 ° C, awanni 48

3. Gwajin ƙalubalen kiyayewar ruwa (PET)

Ana amfani da wannan gwajin don kimanta ikon tsarin kiyayewa a cikin ruwan wanka mai zafi don hana da kashe gurɓataccen ƙwayoyin cuta na yau da kullun, kuma ana amfani da shi sosai a cikin samfuran buɗewa da yawa ko hanyoyin fitarwa.

Matakai na gwaji:

Sanya kwayoyin halitta biyar masu wakilci a cikin samfurin ruwa mai wanka mai ruwa (ƙididdigar allurar 10 ⁵–10⁶ CFU / mL)

Ƙidaya sauran ƙwayoyin cuta a ranar 7, 14, da 28

Kwatanta da ISO 11930 ko USP <51> ka'idoji don kimanta tasirin kiyayewa

Teburin bayanan samfurin:

Microorganism	Taron farko (log CFU/mL)	Ranar 7	Ranar 14	Ranar 28	Ƙaddamarwa
Kasuwancin Escherichia coli	6.2	<1.0	da	da	Yi
Kasuwancin Staphylococcus aureus	6.0	2.1	0.8	da	Yi
Kasuwancin Pseudomonas aeruginosa	6.1	<1.0	da	da	Yi
Candida albicans	5.8	3.9	2.2	1.2	Ya cika bukatun
Aspergillus	5.5	4.8	2.5	1.6	Ya cika bukatun

Lura: ND yana nufin ba a gano shi ba, iyakar ganowa <1.0 log CFU / mL

四. Shawarwarin gwaji da taƙaitaccen bayani

Ga masana'antun ruwa masu wanka ruwa, masu mallakar alama da kamfanonin OEM, ya kamata sarrafa ƙwayoyin cuta ta hanyar dukan tsarin samarwa, gami da:

Binciken farko na albarkatun kasa da tushen ruwa

Gwajin tsari na matsakaici da ruwa na ƙarshe

Tabbatar da samfurin samfuran ƙarshe

Yi gwaje-gwajen ƙalubalen lalata a kai a kai (ISO 11930)

Tsarin gwajin kwayoyin cuta na ruwa mai kwanciyar hankali da abin dogaro ba kawai tabbacin bin samfurin ba ne, har ma da muhimmiyar amincewa da ingancin alama.