Investigation and application of freshness markers in sunflower-seed products

JIN Long; TIAN Chun; CHEN Jiang-lin; LI Jia-wei; CUI Chuan-jian; HOU Ru-yan

doi:10.19802/j.issn.1007-9084.2025295

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Investigation and application of freshness markers in sunflower-seed products

更新时间：2026-10-31

- Investigation and application of freshness markers in sunflower-seed products
- Chinese Journal of Oil Crop Sciences Vol. 48, Issue 4, Pages: 81-90(2026)
- 作者机构：
  
  1.洽洽食品股份有限公司，安徽合肥，230601
  2.安徽农业大学，安徽省食品安全监测与控制重点实验室，安徽合肥，230036
- 作者简介：
- 基金信息：
- DOI：10.19802/j.issn.1007-9084.2025295
  CLC： S565.5
- Received：23 December 2025，
  
  Published：25 August 2026
- 稿件说明：
移动端阅览
金龙,田春,陈江琳等.葵瓜子产品新鲜度标志物的筛选与应用[J].中国油料作物学报,2026,48(04):81-90.

JIN Long,TIAN Chun,CHEN Jiang-lin,et al.Investigation and application of freshness markers in sunflower-seed products[J].Chinese Journal of Oil Crop Sciences,2026,48(04):81-90.
金龙,田春,陈江琳等.葵瓜子产品新鲜度标志物的筛选与应用[J].中国油料作物学报,2026,48(04):81-90. DOI： 10.19802/j.issn.1007-9084.2025295.

JIN Long,TIAN Chun,CHEN Jiang-lin,et al.Investigation and application of freshness markers in sunflower-seed products[J].Chinese Journal of Oil Crop Sciences,2026,48(04):81-90. DOI： 10.19802/j.issn.1007-9084.2025295.

摘要

葵瓜子在高温高湿储藏中易发生脂质氧化，导致品质劣变与营养损失。为建立葵瓜子产品“新鲜度”评价方法，本文围绕挥发性氧化产物的准确定量方法及其在葵瓜子“新鲜度”评价中的应用效果进行研究。研究中优化了样品中挥发物的提取、净化与气相色谱（GC

gas chromatography）检测条件：采用石油醚提取，弗洛里硅土柱净化，正己烷-乙酸乙酯（95∶5，

V/V

）洗脱并进行气相色谱检测，建立了挥发物的准确定量方法。进一步研究不同加速氧化时间下葵瓜子挥发性成分的变化，并结合31份实际样品进行了验证。结果表明，反

反-2

4-癸二烯醛在加速氧化过程中呈规律性升高，且对葵瓜子产品新鲜度的区分能力良好，可作为葵瓜子产品新鲜度判别的关键标志物，为生产、贮藏与销售环节的品质控制提供依据。

Abstract

Sunflower seeds are prone to lipid oxidation during high-temperature and high-humidity storage

leading to quality deterioration and nutritional losses. To establish a method for evaluating the “freshness” feature of sunflower seed products

this study focused on developing an accurate quantitative method for volatile oxidation products and assessing its effectiveness in “freshness” evaluation. The extraction

clean-up

and GC (gas chromatography) detection conditions for volatiles in samples were optimized. By using petroleum ether for extraction

Florisil column for clean-up

n-hexane/ethyl acetate (95∶5

V/V

) performed for elution

followed by GC

an accurate quantification method for volatiles was established. Changes in volatile components of raw materials and sunflower seed products under different accelerated oxidation times were further investigated and validated using 31 real-world samples. The results showed that trans

trans-2

4-decadienal increased in a regular manner during accelerated oxidation and exhibited well discriminatory power for sunflower seed products' freshness

indicating that it could serve as a key marker for freshness identification

and

thus to provide a basis for quality control throughout production

storage and sales.

关键词

Keywords

references

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