Karachi jaise bare shehar mein roz lakhon litre doodh bikta hai, aur afsos ki baat hai ke har doodh khalis nahi hota. Kahin pani mila hota hai, kahin malai pehle hi nikaal li jati hai, aur kabhi kabhi detergent ya maida tak mila diya jata hai. Achi khabar yeh hai ke hamari naniyon dadiyon ke desi tareeqon se aap ghar baithe khalis doodh ki pehchan kar sakte hain — kisi machine ki zaroorat nahi.
1. Boond Test — Doodh ki Chaal Dekhein
Ek saaf, chikni steel ki plate ko thora tircha rakhein aur us par doodh ki ek boond daalein. Khalis doodh aahista aahista behta hai aur peechay safed lakeer chhorta hai. Agar boond tezi se beh jaye aur koi nishan na chhore, to samjhein doodh mein pani ki milawat hai.
2. Ubaal aur Malai Test
Doodh ko ubaal kar thanda hone dein aur phir kuch ghante rakh dein. Khalis bhains ke doodh par moti, safed-kreem malai ki tah jamti hai. Agar malai patli jhilli jaisi ho ya bilkul na jame, to ya to pani mila hai ya malai pehle hi nikaal li gayi hai.
3. Khushboo aur Zaiqa
Taaza doodh ki khushboo halki aur meethi hoti hai. Khatti boo aaye to doodh basi hai. Agar zaiqa kadwa ya sabun jaisa lage, ya garam karne par doodh ajeeb peela par jaye, to istemal na karein — is mein milawat ho sakti hai.
4. Ungliyon par Ragarna
Doodh ki chand boondein do ungliyon ke beech ragrein. Khalis doodh halka chikna mehsoos hota hai magar sabun ki tarah phisalta nahi. Agar sabun jaisi phislan ho to detergent ya nakli (synthetic) doodh ka shak hai.
5. Jhaag Test — Detergent ki Pehchan
Ek botal mein thora doodh aur utna hi pani daal kar zor se hilayein. Khalis doodh mein halka jhaag banta hai jo jaldi beth jata hai. Agar ghana aur der tak rehne wala jhaag bane to detergent mila hone ka imkaan hai.
6. Khoya Test
Do teen cup doodh ko dheemi aanch par chamcha chalate hue itna pakayein ke khoya ban jaye. Khalis doodh ka khoya narm, danedar aur ghee chhorta hua hota hai. Agar khoya sakht, rubber jaisa ya chipchipa bane, to doodh mein milawat thi.
7. Dahi Jama kar Dekhein
Neem garam doodh mein thora jaag (purani dahi) daal kar raat bhar dhak kar rakh dein. Khalis doodh se ghani, jami hui dahi banti hai. Pani wale doodh se patli dahi banti hai jo pani chhorti hai.
8. Maida (Starch) ka Test
Thora sa doodh ubaal kar thanda karein aur us mein dawai wali iodine ki do teen boondein daalein. Agar rang neela ho jaye to doodh mein maida ya aata mila hai. Khalis doodh ka rang nahi badalta. Yeh test wala doodh baad mein phaink dein.
Yaad Rakhne ki Baatein
- Doodh hamesha ubaal kar istemal karein.
- Kachha doodh thandi jagah par sirf kuch ghante theek rehta hai; ubla hua doodh fridge mein 2 din.
- Ek se zyada test karein — ek test par poora faisla na karein.
- Bharosemand supplier se doodh lein jo roz ka mandi rate khul kar batata ho.



