[1]徐亚楠,周伟,叶晓明,等.山核桃种子生长发育过程油脂含量及脂肪酸的动态变化[J].浙江林业科技,2017,37(02):10-16.[doi:10.3969/j.issn.1001-3776.2017.02.002]
 XU Ya-nan,ZHOU Wei,YE Xiao-ming,et al.Dynamic Changes of Oil Content and Fatty Acids in Seeds of Carya cathayensis at DifferentGrowth Stage[J].Journal of Zhejiang Forestry Science and Technology,2017,37(02):10-16.[doi:10.3969/j.issn.1001-3776.2017.02.002]
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山核桃种子生长发育过程油脂含量及脂肪酸的动态变化()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
37
期数:
2017年02期
页码:
10-16
栏目:
出版日期:
2017-06-30

文章信息/Info

Title:
Dynamic Changes of Oil Content and Fatty Acids in Seeds of Carya cathayensis at DifferentGrowth Stage
作者:
徐亚楠周伟叶晓明曾燕如刘力赵国淼贾宁唐研耀杨珺雯
浙江农林大学亚热带森林培育国家重点实验室培育基地,浙江临安 311300
Author(s):
XU Ya-nanZHOU WeiYE Xiao-mingZENG Yan-ruLIU LiZHAO Guo-miaoJIA NingTANG Yan-yaoYANG Jun-wen
The Nurturing Station for the State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Lin’an 311300, China
关键词:
山核桃种子油脂饱和脂肪酸不饱和脂肪酸动态变化
Keywords:
Carya cathayensis seed oil saturated fatty acid unsaturated fatty acid dynamic change
分类号:
S664.1
DOI:
10.3969/j.issn.1001-3776.2017.02.002
文献标志码:
A
摘要:
2014 年7 月23 日、8 月1 日、16 日和31 日,采用索氏抽提法和气相色谱法(HPLC)测定了浙江省临安市山核桃Carya cathayensis 产区同林地中30 个单株种子种仁的油脂含量及脂肪酸的组分,研究山核桃种子生长发育过程中油脂含量及脂肪酸的动态变化。结果表明,随着种子的生长发育和不断成熟,油脂含量增加很快,4 个时间点的平均值分别为9.87%,38.30%,72.06%,71.65%,各时间点及各单株间油脂含量差异显著;山核桃油脂中主要脂肪酸棕榈酸、硬脂酸、油酸、亚油酸和亚麻酸平均相对含量的变幅分别为15.48% ~ 4.57%,2.38% ~ 1.50%,20.45% ~ 66.01%,45.24% ~ 21.48%,8.49% ~ 1.54%,仅油酸相对含量逐步增加,成熟种子中饱和脂肪酸主要是棕榈酸,不饱和脂肪酸主要是油酸;各时间点主要不饱和脂肪酸含量高于饱和脂肪酸含量。
Abstract:
Determinations by Soxhlet extraction and GC (gas chromatography)were implemented on oil content and components of fatty acids fromnut kernels of 30 Carya cathayensis trees in the same stand located in Lin’an, Zhejiang province, sampled on July 23, August 1, August 16 and 31 of2014. Results showed that oil content increased significantly along with maturation of seeds, the average content was 9.87%, 38.30%, 72.06% and71.65% of samples with different dates. There was significant difference of oil content either among sampling dates or among individual trees. Themean content of main fatty acids in kernel, such as palmitic acid, stearic acid, oleic acid, linoleic acid, and linolenic acid ranged from 15.48% to4.57%, 2.38% to 1.50%, 20.45% to 66.01%, 45.24% to 21.48% and 8.49% to 1.54% respectively. Only the average content of oleic acid increasedgradually. The main saturated fatty acid in kernel was palmitic acid, and the main unsaturated one was oleic acid. The content of unsaturated fattyacids was always higher than that of saturated ones.

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备注/Memo

备注/Memo:
收稿日期:2016-11-09;修回日期:2017-01-14
基金项目:浙江省自然科学基金重点项目(Z13C160012)
作者简介:徐亚楠,硕士研究生,主要从事经济林培育与利用研究;E-mail:xuyanan102@163.com。通信作者:曾燕如,教授,硕士生导师,主要从事经济林培育与利用研究,E-mail: yrzeng@zafu.edu.cn。
更新日期/Last Update: 2017-04-20