Antidiabetic effects of natural plant extracts via inhibition of carbohydrate hydrolysis enzymes with emphasis on pancreatic alpha amylase

The aim of the present paper Was to test the value of various plant extracts (yeast barm, mature walnut embryos, coconut meal, young spinach leaves and tomato juice) used as the complementary elements of White's mineral nutrient for the culture <i>in vitro</i> of generative apices of winter wheat, rape and wetch. The results showed that the generative apices of investigated planits had various nutritive requirements which point to the necessity of a careful selection of a specific nutrient for particular plant material.

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Screening for the effects of natural plant extracts at different pH on in vitro rumen microbial fermentation of a high-concentrate diet for beef cattle1

Journal of Animal Science ◽

10.2527/2005.83112572x ◽

2005 ◽

Vol 83 (11) ◽

pp. 2572-2579 ◽

Cited By ~ 135

Author(s):

P. W. Cardozo ◽

S. Calsamiglia ◽

A. Ferret ◽

C. Kamel

Keyword(s):

Plant Extracts ◽

Microbial Fermentation ◽

Natural Plant

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A short review on zinc metal nanoparticles synthesize by green chemistry via natural plant extracts

Materials Today Proceedings ◽

10.1016/j.matpr.2020.07.184 ◽

2020 ◽

Vol 31 ◽

pp. 386-393

Author(s):

Yusak Asri Mohd. Esa ◽

Norzahir Sapawe

Keyword(s):

Green Chemistry ◽

Metal Nanoparticles ◽

Plant Extracts ◽

Short Review ◽

Natural Plant ◽

Zinc Metal

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Sublethal Injury Caused to Listeria monocytogenes by Natural Plant Extracts: Case Study on Grape Seed Extract and Garlic Extract

Applied Sciences ◽

10.3390/app9132731 ◽

2019 ◽

Vol 9 (13) ◽

pp. 2731 ◽

Cited By ~ 1

Author(s):

Davy Verheyen ◽

Maria Baka ◽

Jan F. M. Van Impe

Keyword(s):

Listeria Monocytogenes ◽

Plant Extracts ◽

Membrane Damage ◽

Grape Seed Extract ◽

Grape Seed ◽

Seed Extract ◽

Food Preservation ◽

Natural Plant ◽

Novel Food ◽

Sublethal Injury

Natural antimicrobials, such as grape seed extract (GSE) and garlic extract (GE), are often used as (a part of) novel food preservation technologies, especially due to their antilisterial effect. However, little is known on the extent of sublethal injury (SI) these extracts cause to Listeria monocytogenes, possibly leading to overestimated efficacies for such novel technologies. The influence of both extracts on the sublethal injury of L. monocytogenes strain LMG23775 was investigated, also using propidium iodide staining to investigate the nature of the injury. Minimum inhibitory concentrations were 500 mg gallic acid equivalents (GAE)/L and 7.5 μg allicin/mL for GSE and GE, respectively. These concentrations slowed down the growth of L. monocytogenes, while only causing a significant amount of SI for GSE. Pure extracts caused inactivation of the cells, with GSE being the most effective. Sublethal injury from pure GSE was mainly caused by membrane damage. In pure GE, a significant amount of SI, not caused by membrane damage, was also present, albeit less pronounced than in pure GSE. In conclusion, both extracts cause a significant amount of sublethal injury to L. monocytogenes, which is not taken into account in relevant studies investigating novel food preservation applications involving natural plant extracts.

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Synergy Effects of Three Plant Extracts on Protection of Gastric Mucosa

Natural Product Communications ◽

10.1177/1934578x1501001146 ◽

2015 ◽

Vol 10 (11) ◽

pp. 1934578X1501001 ◽

Cited By ~ 1

Author(s):

Caihui Wang ◽

Wen Su ◽

Xingli Su ◽

Guojun Ni ◽

Tao Liu ◽

...

Keyword(s):

Gastric Ulcer ◽

Gastric Mucosa ◽

Plant Extracts ◽

Synergistic Effects ◽

Damage Model ◽

Centella Asiatica ◽

Protection Effect ◽

Natural Plant ◽

Synergy Effects ◽

Amomum Villosum

The gastric mucosa protection effect of three natural plant extracts, Hericium erinaceus (HE), Centella asiatica (CA) and Amomum villosum (AV), were evaluated using the indomethacin damage model. Compared with a single extract, a combination of HE/CA/AV, especially with the ratios of 80:10:10, 45:45:10 and 45:10:45, showed significant synergistic effects for protection of the gastric mucosa with gastric ulcer inhibition rates of 97.8 ± 0.7%, 86.5 ± 2.8% and 86.1 ± 3.6%, respectively. Microscopic appearances of the gastric mucosa were carried out to help confirm the results.

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