[1]黄旭波,秦玉川,刘本同,等.浙江引种显齿蛇葡萄二氢杨梅素提取工艺优化及含量分析[J].浙江林业科技,2023,43(01):23-29.[doi:10.3969/j.issn.1001-3776.2023.01.004]
 HUANG Xu-bo,QIN Yu-chuan,LIU Ben-tong,et al.Optimized Extraction and Determination of Dihydromyricetin Content from Local and Introduced Ampelopsis grossedentata to Zhejiang Province[J].Journal of Zhejiang Forestry Science and Technology,2023,43(01):23-29.[doi:10.3969/j.issn.1001-3776.2023.01.004]
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浙江引种显齿蛇葡萄二氢杨梅素提取工艺优化及含量分析()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
43
期数:
2023年01期
页码:
23-29
栏目:
出版日期:
2023-01-15

文章信息/Info

Title:
Optimized Extraction and Determination of Dihydromyricetin Content from Local and Introduced Ampelopsis grossedentata to Zhejiang Province
文章编号:
1001-3776(2023)01-0023-07
作者:
黄旭波秦玉川刘本同王丽玲童晓青方茹王衍彬
浙江省林业科学研究院,浙江 杭州 310023
Author(s):
HUANG Xu-boQIN Yu-chuanLIU Ben-tongWANG Li-linTONG Xiao-qingFANG RuWANG Yan-bin
Zhejiang Academy of Forestry, Hangzhou 310023, China
关键词:
藤茶显齿蛇葡萄引种二氢杨梅素工艺优化含量分析
Keywords:
Key words:Vine tea Ampelopsis grossedentata Introduction Dihydromyricetin Process optimization Content analysis
分类号:
S571.9
DOI:
10.3969/j.issn.1001-3776.2023.01.004
文献标志码:
A
摘要:
显齿蛇葡萄Ampelopsisgrossedentata叶片中富含二氢杨梅素,其嫩叶可加工成藤茶。本研究建立了显齿蛇葡萄叶中二氢杨梅素的HPLC检测方法,并对浙江引种的3个种源4个种质(广西种源、贵州种源、湖北种源、湖北大叶种源)显齿蛇葡萄老叶和嫩叶中二氢杨梅素的含量进行对比分析。结果表明,显齿蛇葡萄叶片中二氢杨梅素的最佳萃取条件为:液料比20∶1,萃取溶剂75%乙醇,萃取温度40℃,频率20kHz、功率500W超声萃取3次,每次25min,在此条件下二氢杨梅素的提取得率可以达到16.21%;二氢杨梅素HPLC检测方法的标样拟合方程为y=218.74x,R2=0.9997,平均加标回收率为98.88%,能较好地满足研究的需求;3个种源普通显齿蛇葡萄,湖北种源叶片(嫩叶)中二氢杨梅素含量最高,达291.87mg·g-1,但3个种源间并无显著性差异;湖北大叶种源叶片(嫩叶)中二氢杨梅素含量最低,并与其它3个种源均存在极显著性差异(P<0.01);显齿蛇葡萄嫩叶与老叶中的二氢杨梅素含量差异极显著(P<0.01),其中贵州种源2种叶片中的二氢杨梅素差异最大,嫩叶中二氢杨梅素的含量是老叶中含量的2.07倍,其次是广西种源、湖北大叶种源和湖北种源。在实际生产中,建议以嫩叶采摘加工为主。
Abstract:
In March 2015, leaves of Ampelopsis grossedentata were collected in Guangxin, Guizhou and Hubei, and A. grossedentata a HPLC method was established for the determination of dihydromyricetin in the leaves of Ampelopsis grossedentata , and the contents in the old and young leaves from 4 germplasm (Guangxi, Guizhou, Hubei and Hubei large leaf provenances) introduced in Zhejiang were analyzed . The results showed the optimal extraction conditions of dihydromyricetin from the leaves of Ampelopsis grossedentata were as follows: liquid-solid ratio 20∶1, extraction solvent 75% ethanol, extraction temperature 40℃, extraction three times under 500 W ultrasonic power and 20 kHz frequency, 25 min each time, and under these conditions, the extraction rate of dihydromyricetin could reach 16.21%. The fitting equation of the standard sample of the HPLC method for dihydromyricetin was y = 218.74x, R2 = 0.999 7, and the average recovery was 98.88%, which could well meet the needs of the study. The dihydromyricetin content in young leaves from Hubei provenance was the highest, up to 291.87mg·g-1, but there was no significant difference among the three provenances. The content of dihydromyricetin in young leaves from large leaf provenances was the lowest, which was significantly different from the other three provenances (P<0.01). The difference of dihydromyricetin content between young leaves and old leaves was very significant (P<0.01), and the difference was the largest in Guizhou provenances. The content of dihydromyricetin content in young leaves was 2.07 times that of old leaves. Therefore, it was suggested to pick and process young leaves in actual tea production.

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备注/Memo

备注/Memo:
收稿日期:2022-08-16;修回日期:2022-11-26基金项目:浙江省林业科技计划(2019B07),浙江省科技计划(2015F50052)作者简介:黄旭波,工程师,从事森林培育与推广工作;E-mail:42243901@QQ.com。王衍彬,副研究员,从事木本油料加工与天然产物化学研究;E-mail:numbsword@126.com。
更新日期/Last Update: 2023-01-10