Annual change of various elements was different, indicating that the demand amount of elements and the element proportions for Citrus grandis at different developmental stages were different.
各元素的年周期变化规律不同，说明沙田柚在不同的生育时期对各元素的需求量及它们之间的需求比例有不同要求。
Objective: To study the constituents of Citrus grandis peel.
目的：对胡柚皮中黄酮类成分进行研究。
The soil nutrients, the contents and seasonal dynamics of mineral elements as well as the relationship among the elements in leaves of fruit-bearing trees of Citrus grandis Osbeck cv.
研究了梅州沙田柚两个果园的土壤养分、结果树营养叶片不同生育时期的矿质元素含量及季节性动态变化情况和各元素的相互关系。
The naringin was extracted from Citrus grandis' Tomentosa' by water and hydrolyzed with acid to get naringenin. The structure of naringenin was determined by NMR and chemical reaction.
采用直接用水加热提取柚皮苷，再酸水解得到柚皮素。经核磁共振鉴定所得苷元为高纯度的柚皮素。
Results indicated that Exocarpium Citrus Grandis from different habitats and sources exits certain difference between macro and trace elements, so we could identify quality goods in light of it.
结果表明：不同产地、不同来源的化橘红在宏量与微量元素含量上存在一定差异，依此可鉴别正品化橘红。
Objective To compare the effects of ultrasonic and Soxhlet extraction methods for extracting naringin in Citrus grandis.
目的比较索氏提取法与超声波提取法提取化橘红中柚皮苷的效果。
The local specialties, featuring Hakka culture, including Citrus grandis, pickled dry, salt-baked chicken, Hakka Niang wine, stuffed tofu, maltose, etc.
而当地的特产也以客家文化为特色，包括有金柚、梅菜干、盐焗鸡、客家娘酒、酿豆腐、麦芽糖等。
The function, application and extracting ways of essential oil and flavonoids in citrus grandis peel are introduced in the article.
本文对柚皮中香精油、黄酮类化合物、色素和果胶的作用、应用和提取方法等方面进行了介绍。
Objective: To study on the extraction technology and content of flavonoids of Citrus grandis (L.)
目的：研究柚叶中总黄酮的提取工艺并测定总黄酮的含量。
Results: The content of total flavonoids in Citrus grandis (L. ) Osbeck of last year is a little more than the content of the year before last year.
结果：最佳提取工艺测定了前年、去年采摘的4批样品中总黄酮的含量。去年采摘的柚叶总黄酮略高于前年。
Objective: To revise the quality standard of Juhongligao. Method: Citrus grandis l.
前言：目的：对橘红梨膏的质量标准进行修订。
Objective:To study on residue trend of imidacloprid in fruits of Citrus grandis.
目的：研究低毒内吸性杀虫剂吡虫啉在化橘红果实中的残留动态。
Abstract : In this study, Jiangyong Citrus grandis (grapefruit), one of the regional characteristics of Jiangyong Wuxiang, were used as raw material for the extraction of polysaccharides.
摘要 ：以我国具有地域特色的江永五香之“香柚”作为原料，采用超声波辅助热水浸提法提取香柚皮多糖。
Abstract : In this study, Jiangyong Citrus grandis (grapefruit), one of the regional characteristics of Jiangyong Wuxiang, were used as raw material for the extraction of polysaccharides.
摘要 ：以我国具有地域特色的江永五香之“香柚”作为原料，采用超声波辅助热水浸提法提取香柚皮多糖。
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