Abu Hazm reported: He asked Sahl, “Did you see refined flour in the time of the Prophet, peace and blessings be upon him?” Sahl said no. He said, “Would you sift the barley flour?” Sahl said, “No, but we would blow the husks from it.”
Source: Ṣaḥīḥ al-Bukhārī 5094
Grade: Sahih (authentic) according to Al-Bukhari
Ibn Hajr said, “Refined flour is the extracted powder of bread, which is pure white in color.”
Source: Fatḥ al-Bārī 5094
عن أبي حازم أَنَّهُ سَأَلَ سَهْلًا هَلْ رَأَيْتُمْ فِي زَمَانِ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ النَّقِيَّ قَالَ لَا فَقُلْتُ فَهَلْ كُنْتُمْ تَنْخُلُونَ الشَّعِيرَ قَالَ لَا وَلَكِنْ كُنَّا نَنْفُخُهُ
5094 صحيح البخاري كتاب الأطعمة باب النفخ في الشعير
قال ابن حجر النَّقِيُّ أَيْ خُبْزُ الدَّقِيقِ الْحُوَّارَى وَهُوَ النَّظِيفُ الْأَبْيَضُ
5094 فتح الباري شرح صحيح البخاري