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Journal on Processing and Energy in Agriculture
Article . 2017 . Peer-reviewed
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https://dx.doi.org/10.60692/qt...
Other literature type . 2017
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https://dx.doi.org/10.60692/5t...
Other literature type . 2017
Data sources: Datacite
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Mechanical and chemical changes in Monodora myristica seeds and kernels during roasting

التغيرات الميكانيكية والكيميائية في بذور وحبوب الميرستيكا مونودورا أثناء التحميص
Authors: Danlami Ibi Kwino; Wilfred Ifeanyi Okonkwo; Okey Francis Obi;

Mechanical and chemical changes in Monodora myristica seeds and kernels during roasting

Abstract

Le but de cet article est d'examiner les changements dans les propriétés mécaniques et chimiques des graines et des grains de Monodora myristica pendant la torréfaction. Les paramètres de torréfaction considérés dans l'expérience englobaient trois températures d'air de torréfaction différentes (140 o C, 170 o C et 200 o C) et quatre durées de torréfaction différentes (2, 7, 12 et 17 min.).Les propriétés mécaniques des graines ont été étudiées dans deux orientations (verticale et horizontale), y compris le point de champ biologique, la force de rupture, la déformation à la rupture et l'énergie de rupture. Les propriétés chimiques comprenaient la teneur en matières grasses, en protéines, en cendres, en fibres brutes et en glucides. Dans l'équilibre, les résultats obtenus ont indiqué que les propriétés mécaniques des graines de Monodora myristica et les propriétés chimiques des grains de Monodora myristica s'amélioraient avec l'augmentation des températures et des durées de torréfaction, à l'exception des teneurs en matières grasses et en glucides. Les paramètres de torréfaction ont influencé de manière significative (p<0,05) les propriétés mécaniques des graines dans les orientations verticale et horizontale. Les propriétés chimiques des grains ont été significativement affectées par les conditions de torréfaction, à l'exception de la teneur en humidité.

El propósito de este trabajo es examinar los cambios en las propiedades mecánicas y químicas de las semillas y granos de Monodora myristica durante el tostado. Los parámetros de tostado considerados en el experimento abarcaron tres temperaturas diferentes del aire de tostado (140 o C, 170 o C y 200 o C) y cuatro duraciones de tostado diferentes (2, 7, 12 y 17 min.).Las propiedades mecánicas de las semillas se investigaron en dos orientaciones (vertical y horizontal), incluyendo el punto de rendimiento biológico, la fuerza de ruptura, la deformación en la ruptura y la energía para la ruptura. Las propiedades químicas incluyeron el contenido de grasa, proteína, ceniza, fibra cruda e hidratos de carbono. En equilibrio, los resultados obtenidos indicaron que las propiedades mecánicas de las semillas de Monodora myristica y las propiedades químicas de los granos de Monodora myristica mejoraron con el aumento de las temperaturas y duraciones de tueste, con la excepción de los contenidos de grasa e hidratos de carbono. Los parámetros de tueste influyeron significativamente (p<0,05) en las propiedades mecánicas de las semillas en ambas orientaciones vertical y horizontal. Las propiedades químicas de los granos se vieron afectadas significativamente por las condiciones de tueste, con la excepción del contenido de humedad.

The purpose of this paper is to examine changes in the mechanical and chemical properties of Monodora myristica seeds and kernels during roasting.The roasting parameters considered in the experiment encompassed three different roasting air temperatures (140 o C, 170 o C and 200 o C) and four different roasting durations (2, 7, 12 and 17 min.).The mechanical properties of seeds were investigated in two orientations (vertical and horizontal) including the bioyield point, rupture force, deformation at rupture and energy for rupture.The chemical properties included the fat, protein, ash, crude fibre and carbohydrate seed content.On balance, the results obtained indicated that the mechanical properties of Monodora myristica seeds and the chemical properties of Monodora myristica kernels improved with increasing roasting temperatures and durations, with the exception of fat and carbohydrate contents.The roasting parameters significantly influenced (p<0.05) the mechanical properties of the seeds in both vertical and horizontal orientations.The chemical properties of the kernels were significantly affected by the roasting conditions, with the exception of the moisture content.

الغرض من هذه الورقة هو فحص التغيرات في الخواص الميكانيكية والكيميائية لبذور وحبوب الميرستيكا مونودورا أثناء التحميص. تضمنت معلمات التحميص التي تم أخذها في الاعتبار في التجربة ثلاث درجات حرارة مختلفة لهواء التحميص (140 درجة مئوية و 170 درجة مئوية و 200 درجة مئوية) وأربع فترات تحميص مختلفة (2 و 7 و 12 و 17 دقيقة).تم فحص الخواص الميكانيكية للبذور في اتجاهين (عمودي وأفقي) بما في ذلك نقطة الغلة الحيوية وقوة التمزق والتشوه عند التمزق وطاقة التمزق. وشملت الخواص الكيميائية الدهون والبروتين والرماد والألياف الخام ومحتوى بذور الكربوهيدرات. في التوازن، أشارت النتائج التي تم الحصول عليها إلى أن الخواص الميكانيكية لبذور الميرستيكا مونودورا والخصائص الكيميائية لحبات الميرستيكا مونودورا تحسنت بشكل كبير مع زيادة درجات حرارة ومدد التحميص، باستثناء محتويات الدهون والكربوهيدرات. أثرت معايير التحميص بشكل كبير (p<0.05) على الخواص الميكانيكية للبذور في كل من الاتجاهين الرأسي والأفقي. تأثرت الخواص الكيميائية للحبات بشكل كبير بظروف التحميص، باستثناء محتوى الرطوبة.

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Keywords

Composite material, Chemical composition, Organic chemistry, Plant Science, mechanical properties, Cyanogenic Glycosides in Plants and Industrial Wastewaters, Agricultural and Biological Sciences, Food science, Crop Yield Stability, Biology, Moisture, Water content, S, african nutmeg, Botany, Life Sciences, Agriculture, Geology, FOS: Earth and related environmental sciences, Materials science, Roasting, Chemistry, Geotechnical engineering, Research on Sesame Seed and Oil, Metallurgy, Intercropping in Agricultural Systems, roasting condition, Agronomy and Crop Science, chemical properties

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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