yellow fraction 中文意思是什麼
yellow fraction
解釋
乳黃-
The result showed that non - enzymatic browning of greengage juice could be inhibited and natural primrose yellow could be kept in the plasming of greengage by adding 0. 2 % ( mass fraction ) sodium erythorbate ; non - enzymatic browning of greengage juice was restrained more remarkably by vacuum concentration than by normal pressure concentration ; the non - enzymatic browning of greengage juice increased and the color darkened with the increase of concentration and processing temperature ; non - enzymatic browning of greengage juice in the storage could be inhibited under the condition of low temperature, and frozen storage was the best store method of greengage concentrated juice
摘要結果表明：在青梅果打漿時加入質量分數為0 . 2 %的異抗壞血酸鈉，可防止果汁氧化褐變而保持天然淡黃色澤；減壓濃縮較常壓濃縮明顯抑制了非酶褐變的發生；隨著果汁含量和加工溫度的提高，非酶褐變加快，色澤加深；低溫有利於青梅濃縮汁的貯藏，冷凍貯藏是最佳的貯藏條件。 -
This material was loaded onto a silica gel column and the column was eluted with chloroform several times until the fraction of interest was collected. finally we obtained some light yellow green ointment liquid f i
採用硅膠作干層析柱填充物，用氯仿作展開劑和洗脫液，反復硅膠層析，對柄海鞘鞘囊氯仿浸提物進行分離、提取與純化，最後得到一淺黃綠色的油狀液體fraction （以下均稱f ） 。
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