Gallic acid influencing fermentation quality, nitrogen distribution and bacterial community of high-moisture mulberry leaves and stylo silage

He, Liwen; Chen, Na; Lv, Hongjian; Wang, Cheng; Zhou, Wei; Chen, Xiaoyang; Zhang, Qing

doi:10.1016/j.biortech.2019.122255

Cited by 59 publications

(83 citation statements)

References 34 publications

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“…This behavior might be ascribed to a high buffering capacity and extensive proteolysis, which generated ammonia and blocked a decline in pH (Wang et al, 2019b). It was consistent with our previous study; He et al (2019b) reported that gallic acid decreased pH value (6.51 vs. 5.98 and 5.55 vs. 4.57 in mulberry leaves and style silage, respectively). Abundant coliform bacteria were present in mulberry leaf silage, as most spoilage microbes are usually inhibited at a pH < 4.5 during ensiling (Kung, 2009;Li et al, 2017).…”

Section: Fermentation Quality and Microbial Population Of Both Mulbersupporting

confidence: 91%

“…The experimental procedures described in this section were similar to those previously reported (He et al, 2019b). Briefly, 20 g silage samples were homogenized in 180 ml of sterilized saline for 30 min in an orbital shaker, and the supernatants were then serially diluted from 10 −1 to 10 −6 .…”

Section: Analyses Of Microbial Composition Fermentation Parameters mentioning

confidence: 99%

“…The white mulberry (Morus alba) comprises 10-13 species and more than 1,000 cultivars widely distributed throughout Asia, Europe, Africa, and North America (Nepal and Ferguson, 2012), which are well-known for their economic and medicinal value (Wang et al, 2019a). Stylo (Stylosanthes guianensis Sw.), a flowering legume commonly known as pencilflower, grows mainly in tropical and subtropical regions and is an important feed source for ruminants, with high yields and high nutrient levels (He et al, 2019b). However, few studies have focused on the effects of TA on the quality of silage fermentation in these two plant species.…”

Section: Introductionmentioning

confidence: 99%

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Beneficial Effects of Tannic Acid on the Quality of Bacterial Communities Present in High-Moisture Mulberry Leaf and Stylo Silage

et al. 2020

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Tannic acid (TA), a type of polyphenol, is widely distributed in plants, especially in legumes. Not only does it possess antimicrobial properties, but it also has the ability to bind with proteins. The fermentation parameters, nitrogen fractions, antioxidant capacity, and bacterial communities present in mulberry leaves and stylo (Stylosanthes guianensis) ensiled with or without 1 and 2% TA per kilogram of fresh matter (FM) were investigated after 75 days' fermentation. The results showed that 1 and 2% TA both significantly decreased the butyric acid content (4.39 and 7.83 g/kg dry matter (DM), respectively) to an undetectable level in both mulberry leaf and stylo silage. In addition, 2% TA significantly increased the contents of lactate (24.0-39.0 and 8.50-32.3 g/kg DM), acetate (18.0-74.5 and 9.07-53.3 g/kg DM), and the antioxidant capacity of both mulberry leaf and stylo silage, respectively. With the addition of 1 and 2% TA, the pH values (5.55-5.04 and 4.87, respectively) and ammonia-N (NH 3-N) content (85.5-27.5 and 16.9 g/kg total nitrogen (TN), respectively) were all significantly decreased in stylo silage. In addition, TA increased the relative abundance of Weissella, Acinetobacter, and Kosakonia spp. and decreased that of undesirable Clostridium spp. TA can thus be used to improve the silage quality of both mulberry leaf and stylo silage, with 2% TA being the better concentration of additive to use.

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Section: Fermentation Quality and Microbial Population Of Both Mulbersupporting

confidence: 91%

Section: Analyses Of Microbial Composition Fermentation Parameters mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Beneficial Effects of Tannic Acid on the Quality of Bacterial Communities Present in High-Moisture Mulberry Leaf and Stylo Silage

et al. 2020

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“…However, till now, mulberry leaves have not been fully utilized as animal feed source due to its high moisture content, but ensiling is an e cient method to solve this problem [10]. It has been con rmed that the fermented well silage has more palatable features for animal preference [11,12].…”

Section: Introductionmentioning

confidence: 99%

“…Furthermore, the mulberry leaves after ensiling could hold robust bioactive activity such as antioxidant capacity and keep the total avonoid content and even improve their bioactive activity by additives [13]. Several recent studies found that high-quality mulberry leaf silage can be achieved by additives [1,10,13], but did not refer to the utilization of mulberry leaf silage. Rumen is a main position for the degradation of dietary nutrients in ruminants.…”

Section: Introductionmentioning

confidence: 99%

Mining Novel Specific Rumen Bacteria to Enhance the Bioactive Function of Mulberry Leaf in Promoting Host Antioxidant Activity and Immunomodulatory

Wang¹,

Luo²

2020

Preprint

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Background: Rumen is a natural fermentation system and the microorganisms inside can effectively utilize plant bioresource and interact with host metabolism. Here, analysis of rumen microbiome, together with animal performance and serum metabolism in a lamb model were performed to identify the potential use of mulberry leaf silage (MS) to replace alfalfa silage (AS) as a new functional feed resource and to mining the novel specific mulberry leaf associated rumen bacteria interact with host metabolism. Results: The lambs fed with MS diet showed improved antioxidant capacity and immune function compared to those fed AS diet. The MS diet significantly altered rumen microbiota α- and β-diversity and taxonomic composition. Microbial analysis revealed that Bifidobacterium, Lactobacillus and Schwartzia were enhanced, and Ruminococcaceae UCG-010 and Lachnospiraceae_XPB1014_group were down-regulated in the rumen of MS group. A strong association was also found between these rumen microbial taxa and host antioxidant capacity and immunomodulatory. Conclusion: These findings indicated that mulberry leaf silage can be a high-quality feed source or bioactive pharmaceutical that is responsible for ruminants health benefits by modifying the rumen microbial community with potentially enhanced probiotics and inhibited biohydrogenation and methane emission.

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Advances in Grass and Forage Processing and Production in China

Guo

Shao

et al. 2022

Research Progress on Forage Production, Processing and Utilization in China

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Gallic acid influencing fermentation quality, nitrogen distribution and bacterial community of high-moisture mulberry leaves and stylo silage

Cited by 59 publications

References 34 publications

Beneficial Effects of Tannic Acid on the Quality of Bacterial Communities Present in High-Moisture Mulberry Leaf and Stylo Silage

Beneficial Effects of Tannic Acid on the Quality of Bacterial Communities Present in High-Moisture Mulberry Leaf and Stylo Silage

Mining Novel Specific Rumen Bacteria to Enhance the Bioactive Function of Mulberry Leaf in Promoting Host Antioxidant Activity and Immunomodulatory

Advances in Grass and Forage Processing and Production in China

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