Table 1 Effects of repeated freeze-thaw treatment on the aroma attribute(s) in the submerged fermentation of T. melanosporum.
From: Aroma improvement by repeated freeze-thaw treatment during Tuber melanosporum fermentation
Controla | 1 cycleb | 3 cycles | 5 cycles | 10 cycles | |
|---|---|---|---|---|---|
Day 1 | medium, alcohol, sweet | medium, sweet | medium, sweet, earthy | medium, sweet, earthy | medium, sweet, mushroom |
Day 2 | medium, alcohol, flowery, sweet | medium, sweet | alcohol, flowery, sweet, mushroom | medium, alcohol, flowery, sweet, mushroom | medium, alcohol, green, sweet, mushroom |
Day 3 | alcohol, fruity, sweet | alcohol, flowery, fruity, sweet, sulfurous | alcohol, flowery, sweet, sulfurous | alcohol, flowery, fruity, green, sweet, sulfurous | alcohol, flowery, fruity, sweet, sulfurous, mushroom |
Day 4 | alcohol, flowery, fruity, sweet | alcohol, flowery, green, sweet | alcohol, fruity, sweet, earthy | alcohol, flowery, fruity, sweet, sulfurous | alcohol, flowery, fruity, sweet, sulfurous |
Day 5 | alcohol, flowery, fruity, green, sweet | alcohol, flowery, sweet | alcohol, flowery, fruity, green, sweet | alcohol, flowery, fruity, sweet | alcohol, flowery, fruity, sweet |
Day 6 | alcohol, flowery, fruity, sweet, hay | alcohol, flowery, fruity, green, sweet, sulfurous | alcohol, flowery, fruity, green, sweet, mold | alcohol, flowery, green, sweet, mold | alcohol, flowery, fruity, sweet, mold |
Day 7 | alcohol, flowery, fruity, sweet, earthy, mold | alcohol, flowery, sweet, mold | alcohol, fruity, sweet, hay, mold | alcohol, flowery, green, sweet, mold | alcohol, flowery, green, mold |
Day 8 | sweet, mold | flowery, sweet, hay, mold | alcohol, sweet, mold | sweet, mold | alcohol, earthy, mold |
