Using the hplc analysis technique , the contents of autotoxic substances ( cinnamic acid and vanillin ) in eggplant replanting soil were determined , and the effects of grafting on eggplant growth and soil biochemical properties under the two autotoxic substances stress were studied in a pot culture experiment .
Both vanillin and ethyl maltol have absorption at uv range , and their absorption spectra are seriously overlapping .
香兰素、乙基麦芽酚在紫外区均有吸收,其吸收光谱严重重叠。
Acetyllpropanoic acid is the characteristic component of blended soy sauce , which will become blue when reacting with vanillin in sulphuric acid solution .
Summarize the status and developing trends of extract technology of vanillin at home and abroad at present .
综述了目前国内外香兰素萃取分离技术的现状及发展趋势。
Nothing could stand in the way of the world 's desire for vanilla ( a known aphrodisiac ) , and scientists went into overdrive creating synthetic vanillin ( a by-product of petroleum production , ironically ) and using hydroponics to create vanilla in environments other than off the coast of africa .