Consumption of Citric Acid by Bees Promotes the Gland Development and Enhances Royal Jelly Quality

文献类型： 外文期刊

第一作者： Wang, Xue

作者： Wang, Xue;Ji, Quanzhi;Zheng, Xing;Wang, Xinyu;Peng, Wenjun;Zhao, Yazhou;Ji, Quanzhi;Zhang, Jun;Guo, Jun;Wang, Rongshen

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关键词： honeybees; citric acid; glands development; royal jelly quality

期刊名称：LIFE-BASEL （ 影响因子：3.2； 五年影响因子：3.2 ）

ISSN：

年卷期： 2024 年 14 卷 3 期

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收录情况： SCI

摘要： The glands of bees are responsible for generating and secreting various biologically active substances that significantly impact bee physiological health and adaptability. This study aimed to investigate the effects of adding citric acid (CA) to bee feed on gland development and royal jelly quality. By formulating feed with varying proportions of CA, evaluation was undertaken of pollen feeding by honeybees under laboratory conditions, along with the impact of CA on the development of major glands, to determine suitable addition proportions. Further optimization of the CA proportion involved feeding colonies and evaluating royal jelly production and quality. The results indicated that feed containing 0.75% CA significantly extended the lifespan of bees and increased their pollen consumption. Gland development in bees showed a positive correlation with CA addition within the range of 0.25% to 0.75%, especially at 0.50% and 0.75%, which notably accelerated the development of mandibular, hypopharyngeal, and cephalic salivary glands, with active proliferation and differentiation of glandular cells and maintenance of normal gland size and morphology. CA added to feed stimulated vigorous secretion of wax glands in worker bees, resulting in prolific wax construction. Colonies consuming feed containing 0.50% CA produced royal jelly with significantly reduced moisture and total sugar content and increased levels of 10-HDA, total phenolic acids, total proteins, and acidity. These findings demonstrate that CA consumption significantly prolongs bee lifespan, increases consumption, promotes gland development, and enhances royal jelly quality. This research provides theoretical guidance for beekeeping practices and feed development, contributing to the sustainable advancement of apiculture.

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