Effects of Lemongrass Leaves as Essential Oil Sources on Rumen Microbial Ecology and Nutrient Digestibility in an in vitro System

Kurniawati, Asih; Zulfa, Insani Hubi; Bachruddin, Zaenal

doi:10.3923/pjn.2019.254.259

Cited by 3 publications

(1 citation statement)

References 20 publications

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“…Nutmeg essential oil at concentration of 200 µL/mL decreased in vitro crude protein digestibility (IVCPD) in the rumen (48 h) by 4.27% compared to the control. Similarly, a. previous study reported a decrease of IVCPD in the rumen due to by the addition of cinnamon 32 and lemongrass 33 essential oil. The reduction in protein degradation in the rumen, associated with essential oils, is attributed to their selective antimicrobial action against rumen microorganisms, especially proteolytic bacteria, leading to decrease in the activity of rumen protease enzymes 34 .…”

Section: Discussionmentioning

confidence: 55%

Effect of nutmeg essential oil (Myristica fragrans Houtt.) on methane production, rumen fermentation, and nutrient digestibility in vitro

Abdillah,

Sarah,

Ardian

et al. 2024

Sci Rep

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The study evaluated the effect of adding of nutmeg (Myristica fragrans Houtt.) essential oil (NEO) as a feed additive on methane production, rumen fermentation parameters, rumen enzyme activity, and nutrient digestibility in vitro. This study was divided into three treatments based on the level of NEO addition, which included 0 µL/L (T0), 100 µL/L (T1), and 200 µL/L (T2). The feed substrate composition consisted of king grass as forage and concentrate in a 60:40 ratio. Feed fermentation was conducted using the Menke and Steingass gas production and two-step Tilley and Terry in-vitro digestibility technique. The data obtained from the study were analyzed using one-way ANOVA and if there were differences between means, they were further assessed using DMRT. The results showed that T2 treatment significantly decreased (P < 0.05) ammonia (NH3) levels, total VFA, acetate, propionate, butyrate, and microbial protein (P < 0.05). Methane production and the activity of rumen protease enzyme significantly decreased (P < 0.05) at T1 and T2 treatment. The T2 treatment significantly reduced (P < 0.05) protein digestibility (IVCPD) at 48 h, while IVCPD at 96 h significantly increased (P < 0.05). On the other hand, the addition of nutmeg essential oil did not effect the activity of the amylase, carboxymethyl cellulase, and β-glucosidase enzymes, as well as the in-vitro digestibility of dry matter (IVDMD), crude fiber (IVCFD), and organic matter (IVOMD). The conclusion drawn from this study is that the optimum level for NEO is 200 µL/L, which can reduce methane production and increase crude protein digestibility at 96 h without any negative effect on rumen fermentation and nutrient digestibility.

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Section: Discussionmentioning

confidence: 55%

Effect of nutmeg essential oil (Myristica fragrans Houtt.) on methane production, rumen fermentation, and nutrient digestibility in vitro

Abdillah,

Sarah,

Ardian

et al. 2024

Sci Rep

Self Cite

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Effect of nutmeg essential oil (Myristica fragrans Houtt.) on methane production, rumen fermentation, and nutrient digestibility in vitro

Abdillah,

Sarah,

Ardian

et al. 2023

Preprint

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The study evaluated the effect addition of nutmeg (Myristica fragrans Houtt.) essential oil as a feed additive on methane production, rumen fermentation parameters, rumen enzyme activity, and nutrient digestibility in vitro. This study was divided into three treatments based on the level addition of nutmeg essential oil, including 0 µL/L (T0), 100 µL/L (T2), and 200 µL/L. The composition of feed substrate was king grass as forage and concentrate with a ratio of 60:40. Feed fermentation was carried out using the Menke and Steingass gas production and two-stapes Tilley and Terry in-vitro digestibility technique. The data obtained from the study were analyzed using one-way ANOVA and If there were differences between means continued by DMRT. Results showed that 200 µL/L nutmeg essential oil addition significantly decreased (P < 0.05) ammonia (NH3) levels, VFA total, acetate, propionate, butyrate, and microbial protein (P < 0.05). Methane production and activity of rumen protease enzyme significantly decreased (P < 0.05) with levels at 100 and 200 µL/L. The addition at 200 µL/L of nutmeg essential oil significantly decreased (P < 0.05) on protein digestibility (IVCPD) in 48h, while IVCPD in 96 h was significantly increased (P < 0.05). on the other hand, the addition of nutmeg essential oil did not affect on the activity of the amylase, carboxymethyl cellulase, and β-glucosidase enzymes and in vitro digestibility of dry matter (IVDMD), crude fiber (IVCFD), and organic matter (IVOMD). The conclusion obtained from this study was the optimum level at 200 µL/L of nutmeg essential oil could reduce methane production and increased crude protein digestibility in 96 h without any negative effect on rumen fermentation and nutrient digestibility.

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Green Gold from Dairy Industry: A Self-Sustained Eco-Friendly Effluent Treatment Plant

Chaudhuri¹

2022

New Advances in the Dairy Industry

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The major bottleneck of dairy effluent treatment plant operation is the generation of 10 m3 of nutrient rich wastewater per m3 of milk processed resulting in an annual production of 7.93 tons of carbon dioxide equivalent (CO2 e) gas during treatment in a 7–8 step process. It is an expensive, non-ecofriendly, laborious process which is often not adoptable by the small segment installations. A carefully selected tailor-made bacterial consortium in biofilm reactor within 4 h of incubation in a single step operation under ambient condition could transform the total volume of wastewater into ammonia rich liquid biofertilizer generating 0.79 tons/year CO2 e gas. This biofertilizer replaces the use of fresh water and chemical fertilizer for agriculture, producing economic crops at par with chemical fertilizer. In certain cases, the production of crops is increased substantially over chemical fertilizer based growth. It reduced carbohydrate content of tuber crops. The generated liquid biofertilizer can overcome the shortage in fodder production without using chemical fertilizer and fresh water, hence solving one of the major concerns for sustaining the expansion of dairy industry, hence making dairy effluent treatment plant (ETP) operation an eco-friendly, self-sustainable operation.

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Effects of Lemongrass Leaves as Essential Oil Sources on Rumen Microbial Ecology and Nutrient Digestibility in an in vitro System

Cited by 3 publications

References 20 publications

Effect of nutmeg essential oil (Myristica fragrans Houtt.) on methane production, rumen fermentation, and nutrient digestibility in vitro

Effect of nutmeg essential oil (Myristica fragrans Houtt.) on methane production, rumen fermentation, and nutrient digestibility in vitro

Effect of nutmeg essential oil (Myristica fragrans Houtt.) on methane production, rumen fermentation, and nutrient digestibility in vitro

Green Gold from Dairy Industry: A Self-Sustained Eco-Friendly Effluent Treatment Plant

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