用蒸馏水或乙醇水溶液抽提试样中的水溶性酸或碱，然后用酸度计或指示剂对抽提物进行测定。
It USES distilled water and alcohol to refine water soluble acid and alkali of sample and then test the extractive with PH indicator.
在酵母粉基础发酵培养基中，添加各种无机离子和游离氨基酸，使其含量与酵母抽提物相同。
The inorganic ions and the amino acids were respectively added to the medium while yeast powder was used as base nitrogen source.
目前，有相当大的兴趣集中于生产很高的核苷酸含量的酵母抽提物用作风味强化剂。
Currently, there is considerable interest to produce very high 5-nucleotide-rich yeast extracts for use in flavor enhancement.
上述残渣分别在碱液和酸液中浸提、抽滤、清水洗至中性，干燥后得到水不溶性膳食纤维产品。
The water insoluble dietary fiber is obtained by leaching the residue in alkali solution and acid solution respectively, suction filtering, water washing to neutral, drying.
烃源岩是一种富含有机质和各种无机矿物的集合体，而有机酸普遍存在于沉积有机质中，是未熟-低熟原油和烃源岩抽提物的常见组分。
Source rocks are rich in organic and inorganic matter. Organic acids are commonly found in sedimentary organic matter, are common components of immature-low mature oil and source rocks extraction.
烃源岩是一种富含有机质和各种无机矿物的集合体，而有机酸普遍存在于沉积有机质中，是未熟-低熟原油和烃源岩抽提物的常见组分。
Source rocks are rich in organic and inorganic matter. Organic acids are commonly found in sedimentary organic matter, are common components of immature-low mature oil and source rocks extraction.
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