Product of the production of chestnut flour, consisting mainly of particles of endosperm, with fine fragments of envelopes and a few remnants of chestnut (Castanea spp.).
Toode, mis saadakse kastanijahu valmistamisel, koosneb peamiselt endospermiosakestest, väikestest kestaosistest ja väikesest hulgast kastani (Castanea spp.) jääkidest.