Evaluation of stability, physicochemical and antioxidant properties of extracted chlorophyll from Persian clover (Trifolium resupinatum L.)

Six rumen fistulated dairy cows, at various stages of lactation, were housed in metabolism stalls on a total of nine occasions in three experiments in which various combinations of Persian clover (Trifolium resupinatum) and maize (Zea mays) silage were offered. These experiments considered some aspects of digestion of Persian clover and Persian clover/maize silage diets in order to understand the good milk yield responses attributed to maize silage measured in previous research. Rumen ammonia concentrations and nylon bag degradation rates suggested that the cows made better use of one or both feeds when Persian clover and maize silage were offered together than they did when Persian clover was offered alone. While Persian clover and maize silage appeared to be a substantially inferior diet in terms of apparent in vivo digestibility coefficients and availability of nutrients when compared with Persian clover offered alone, milk yields were unaffected. In addition, no matter how much maize silage was offered, milk fat content remained constant. These results were attributed to an improved balance of absorbed nutrients.

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Phenolics in Aerial Parts of Persian Clover: Trifolium resupinatum

Natural Product Communications ◽

10.1177/1934578x0900401210 ◽

2009 ◽

Vol 4 (12) ◽

pp. 1934578X0900401 ◽

Cited By ~ 2

Author(s):

Bogdan Janda ◽

Anna Stochmal ◽

Paula Montoro ◽

Sonia Piacente ◽

Wieslaw Oleszek

Keyword(s):

Nutritional Quality ◽

Dry Matter ◽

Animal Health ◽

Chlorogenic Acids ◽

Aerial Parts ◽

Phenolic Constituents ◽

Kaempferol Glycosides ◽

Persian Clover ◽

Trifolium Resupinatum

The nutritional quality of Persian clover (Trifolium resupinatum), an important pasture crop, depends not only on a high protein content but also on the occurrence of animal health and welfare promoting phytochemicals. Nine phenolic constituents present in the aerial parts of this species were isolated and their structures confirmed by NMR and ESI-MS analyses. The compounds included two chlorogenic acids, four quercetin and two kaempferol glycosides, as well as the isoflavone formononetin-7-glucoside. The concentration of isoflavone was low, not exceeding 1.2 mg/g of dry matter. The concentration of flavonols ranged between 5.9 and 11.8 mg/g, depending on the sampling dates, with the highest concentration occurring in the first cut. A similar trend in the concentration was found for chlorogenic acids, which ranged from 2 mg/g in summer to 7.3 mg/g in spring.

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Stability of fatty acids and leaf protein concentrate of Persian clover (Trifolium resupinatum)

Plant Foods for Human Nutrition ◽

10.1007/bf02193852 ◽

1990 ◽

Vol 40 (4) ◽

pp. 283-288 ◽

Cited By ~ 2

Author(s):

Mohammad Nazir ◽

Farrukh H. Shah

Keyword(s):

Fatty Acids ◽

Leaf Protein ◽

Protein Concentrate ◽

Leaf Protein Concentrate ◽

Persian Clover ◽

Trifolium Resupinatum

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Studies on persian clover (Trifolium resupinatum)

Qualitas Plantarum ◽

10.1007/bf01092017 ◽

1985 ◽

Vol 35 (1) ◽

pp. 51-56 ◽

Cited By ~ 3

Author(s):

Mohammad Nazir ◽

Farrukh H. Shah

Keyword(s):

Persian Clover ◽

Trifolium Resupinatum

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Isotermas de adsorção de umidade e cinética de secagem de sementes de trevo persa (Trifolium resupinatum L.) e trevo vesiculoso (Trifolium vesiculosum) ¬¬¬¬

Revista Engenharia na Agricultura - REVENG ◽

10.13083/reveng.v29i1.9935 ◽

2020 ◽

Vol 28 ◽

pp. 535-548

Author(s):

Gabriela Saldanha Soares ◽

Scarlet Neves Tuchtenhagen ◽

Luiz Antonio de Almeida Pinto ◽

Carlos Alberto Severo Felipe

Keyword(s):

Moisture Content ◽

Adsorption Isotherms ◽

Effective Diffusivity ◽

Drying Kinetics ◽

Peleg Model ◽

Critical Moisture ◽

Persian Clover ◽

Trifolium Vesiculosum ◽

Kinetics Of ◽

Trifolium Resupinatum

The aim of this work was to obtain adsorption isotherms and to study the drying kinetics of persian clover (Trifolium resupinatum L.) and arrowleaf clover (Trifolium vesiculosum) seeds, in addition, fitting the experimental data by the predicted models of the literature. The equilibrium moisture content and the moisture adsorption behavior were found by isotherms curves at 40, 45 and 50 ºC, and the Peleg model was the most suitable. The drying kinetics was determined by thin layer assays in an air parallel flow dryer at all three temperatures. In addition, it was demonstrated the predominance of the falling drying rate period for the two species of seeds, and the critical moisture content values were approximately of 0.20 and 0.25 gwater gdry matter-1 for persian clover and arrowleaf clover seeds, respectively. The effective diffusivity values were estimated in ranges of values of 3.61×10-11 – 6.81×10-11 m² s-1 for persian clover and 6.76×10-11 – 1.15×10-10 m²s-1 for arrowleaf clover seeds and the temperature effect was expressed by an Arrhenius relation. Thus, drying kinetics confirmed the greater difficulty in moisture removal from the arrowleaf clover seeds, compared to the persian clover seeds drying, in agreement with the results obtained through adsorption isotherms.

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