浙江农业学报 ›› 2024, Vol. 36 ›› Issue (9): 2089-2098.DOI: 10.3969/j.issn.1004-1524.20231121

• 食品科学 • 上一篇    下一篇

松籽油水酶法提取及酶法破乳工艺研究

张根生1(), 李思锦1, 田阳1, 韩冰1, 谢春丽1, 费英敏2,*()   

  1. 1.哈尔滨商业大学 食品工程学院,黑龙江 哈尔滨 150028
    2.黑龙江民族职业学院,黑龙江 哈尔滨 150066
  • 收稿日期:2023-09-18 出版日期:2024-09-25 发布日期:2024-09-30
  • 作者简介:费英敏,E-mail:ddhgk@126.com
    张根生(1964—),男,黑龙江庆安人,硕士,教授,研究方向为农产品加工及贮藏。E-mail:zhanggsh@163.com
  • 通讯作者: 费英敏,E-mail:ddhgk@126.com
  • 基金资助:
    中央财政林业科技推广示范资金项目(〔2017〕HZT19)

Study on water enzymatic extraction of pine seed oil and enzymatic demulsification technology

ZHANG Gensheng1(), LI Sijin1, TIAN Yang1, HAN Bing1, XIE Chunli1, FEI Yingmin2,*()   

  1. 1. Food Engineering College, Harbin University of Commerce, Harbin 150028, China
    2. Heilongjiang Vocational College for Nationalities, Harbin 150066, China
  • Received:2023-09-18 Online:2024-09-25 Published:2024-09-30

摘要:

以压榨松籽饼粕为原料,利用水酶法提取松籽油,通过单因素及响应曲面试验研究松籽油提取工艺,并对提油过程中产生的乳状液进行破乳研究分析。结果表明,碱性蛋白酶酶解效果最佳,最优工艺为酶解时间 2.5 h,温度 56 ℃,pH值11.3,加酶量5 045 U·g-1,此条件松籽油提油率为71.73%。经比较碱性蛋白酶添加量为3 000 U·g-1时破乳效果最好,破乳率为87.68%,在酶法破乳后进行酸化处理,通过调节pH值至5时破乳率提高至 92.18%,此条件下松籽油得油率为70.36%。

关键词: 松籽饼粕, 松籽油提取, 水酶法, 酶法破乳

Abstract:

Pine-seed oil was extracted from pine-seed cake by aqueous enzymatic method. The extraction process of pine seed oil was investigated using single-factor and response surface experiments, and a specific focus on demulsifying the emulsion formed during the extraction. The results showed that the best outcomes were achieved through alkaline protease hydrolysis. The optimum conditions were as follows: time of 2.5 h, temperature 56 ℃, pH value of 11.3, and enzyme dosage of 5 045 U·g-1. Under these conditions, the extraction rate of pine seed oil was 71.73%. Furthermore, the addition of 3 000 U·g-1 of alkaline protease resulted in the highest demulsification effect, with a demulsification rate of 87.68%. After enzymatic demulsification, the demulsification rate was further improved to 92.18% by treating the emulsion with acid to adjust the pH value to 5. As a result, the extraction rate of pine seed oil reached 70.36% under this condition.

Key words: pine-seed cake, pine-seed oil extraction, aqueous enzyme method, enzymatic demulsification

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