Volume 46, Issue 2 e16276
ORIGINAL ARTICLE

A novel protein bar formulated with hempseed protein and Tenebrio molitor larvae protein: Nutritional, sensory characterization and hardening, volatile profile changes assessment

Xuefu Zhou

Xuefu Zhou

Department of Food Science and Technology, Shanghai Jiao Tong University, Shanghai, China

Contribution: Data curation, Formal analysis, ​Investigation, Software, Writing - original draft, Writing - review & editing

Search for more papers by this author
Yuanrong Zheng

Yuanrong Zheng

State Key Laboratory of Dairy Biotechnology, Shanghai Engineering Research Center of Dairy Biotechnology, Dairy Research Institute, Bright Dairy & Food Co., Ltd., Shanghai, P.R. China

Contribution: Data curation, Formal analysis, Resources

Search for more papers by this author
Yu Zhong

Yu Zhong

Department of Food Science and Technology, Shanghai Jiao Tong University, Shanghai, China

Contribution: Software, Writing - review & editing

Search for more papers by this author
Danfeng Wang

Danfeng Wang

Department of Food Science and Technology, Shanghai Jiao Tong University, Shanghai, China

Contribution: Formal analysis, Resources

Search for more papers by this author
Jingyao Xu

Jingyao Xu

Department of Food Science and Technology, Shanghai Jiao Tong University, Shanghai, China

Contribution: ​Investigation, Visualization

Search for more papers by this author
Ren Liu

Ren Liu

Department of Food Science and Technology, Shanghai Jiao Tong University, Shanghai, China

Contribution: Data curation, ​Investigation

Search for more papers by this author
Yun Deng

Corresponding Author

Yun Deng

Department of Food Science and Technology, Shanghai Jiao Tong University, Shanghai, China

Correspondence

Yun Deng, Department of Food Science and Technology, Shanghai Jiao Tong University, Shanghai 200240, China.

Email: [email protected]

Contribution: Conceptualization, Methodology, Supervision, Writing - review & editing

Search for more papers by this author
First published: 20 December 2021
Citations: 3

Abstract

Hempseed protein (HPI) and Tenebrio molitor larvae protein (TPI), two novel but limited-utilized food resources, have an excellent nutritional profile that could potentially mitigate protein deficiency. This work was aiming to develop nutritive bars with HPI and TPI with different ratios (10/0, 9/1, 7/3, 5/5, and 3/7). Results showed that the TPI addition enhanced the antioxidant activities of bars but reduced the energy supply. The bar 7/3 had the highest in vitro protein digestibility (88.11%) and the best sensory acceptance with the score of 5.82. Suitable addition of TPI could retard the bars hardening and aggregation of protein phase within 14–28 days of storage but the excessive addition led to loose microstructure and intensified hardening in the early storage. For the volatile profile, aldehydes and ketones were the reason for the odor deterioration as TPI content increased, but the odor acceptance might be improved during storage since these off-flavor components were unstable.

Novelty impact statement

  • Bars were made of hempseed protein (HPI) and Tenebrio molitor larvae protein (TPI). And the bar 7/3 (HPI/TPI) was optimal for nutritional and sensory evaluation.
  • TPI addition influenced the bars hardening behaviors during storage.
  • We were the first to analyze the changes of bars volatile profile during storage and found that aldehydes and ketones were responsible for the off flavor of our bars.

CONFLICT OF INTEREST

The authors have declared no conflicts of interest for this article.

DATA AVAILABILITY STATEMENT

The data used to support the findings of this study are available from the corresponding author upon request.

The full text of this article hosted at iucr.org is unavailable due to technical difficulties.