قَالَ مَالِكٌ : وَلَا يَنْبَغِي بَيْعُ الْإِنَاثِ، وَاسْتِثْنَاءُ مَا فِي بُطُونِهَا، وَذَلِكَ أَنْ يَقُولَ الرَّجُلُ لِلرَّجُلِ : ثَمَنُ شَاتِي الْغَزِيرَةِ ثَلَاثَةُ دَنَانِيرَ فَهِيَ لَكَ بِدِينَارَيْنِ، وَلِي مَا فِي بَطْنِهَا، فَهَذَا مَكْرُوهٌ لِأَنَّهُ غَرَرٌ وَمُخَاطَرَةٌ. ¤
Imam Malik, may Allah have mercy on him, said that similarly, selling hab al-baan (seeds of the moringa tree) in exchange for roghan-e-baan (moringa oil) is not permissible. However, it is permissible to sell hab al-baan in exchange for perfumed baan, because after adding fragrance, it is no longer considered as oil.