Category: AGRICULTURE

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Roots of Hydroponically Grown Tea (Camellia sinensis) Plants as a Source of a Unique Amino Acid, Theanine

The beneficial effects of green tea are well documented. However, most research has reported the effects of green tea brewed solely from leaves or leaf extracts. We focused on tea roots and developed a hydroponic system to explore the effect on roots that biosynthesize one of the rarest functional amino acids, theanine. The level of…
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July 25, 2019 0

Productivity of Some Hausa Potato Accessions (Solenostemon rotundifolius (Poir) J. K. Morton in Jos-Plateau Environment

The Hausa potato (Solenostemon rotundifolius (Poir)) J. K. Morton is a tropical, multipurpose crop with different economic values. Its productivity is, however, low in terms of fresh tuber yield in the accessions available for cultivation in Nigeria. Consequently, many farmers are not encouraged to cultivate the crop, thereby limiting its popularity. This study was, therefore,…
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July 25, 2019 0

Development and Properties of Green Tea with Reduced Caffeine

Caffeine is one of the main components of green tea and has side effects such as sleeplessness. Senior citizens, children, and pregnant woman should avoid tea despite its known beneficial effects. In this study, we developed green tea with reduced caffeine content (low caffeine tea) as a palatable tea that can be offered to everyone.…
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July 25, 2019 0

Postharvest Heat Treatments to Extend the Shelf Life of Banana (Musa spp.) Fruits

Bananas are grown in the world mainly for their economic and nutritional value. High perishable nature of banana leads to quality deterioration which distracts consumer and hence high postharvest losses in the market. Climacteric nature of banana make these postharvest losses accelerate by triggering ethylene induced ripening process. Extending banana shelf life could be a…
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July 25, 2019 0

Bio-pesticidal Properties of Neem (Azadirachta indica)

Consequence upon the geometrically rising world population and the increasing pressure on food items, it has become increasingly necessary to increase food production from the present level. The possibility of achieving this is not only to increase production but also to protect the crops cultivated. Crop protection can be achieved through several means. One of…
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July 25, 2019 0

Honeybees (Apis mellifera) Produce Honey from Flowers of Tea Plants (Camellia sinensis)

We obtained honey from the blooming flowers of tea plants (Camellia sinensis L.) pollinated by honeybees (Apis mellifera L.). Functional amino acids, theanine, which is a unique ingredient to tea, was determined using reversed-phase chromatography. We also determined the main ingredients: caffeine and catechins. The obtained honey contained theanine, which shows that it was derived…
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July 25, 2019 0

Reproducible Agrobacterium-mediated Transformation of Nigerian Cultivars of Tomato (Solanum lycopersicum L.)

This study was carried out to develop transformation protocol for the possible improvement of local cultivars of tomatoes in Nigeria using complete randomized design (CRD). The research was conducted at the Plant Biotechnology Centre, International Institute of Tropical Agriculture (IITA), Ibadan, Oyo State, Nigeria between May 2009 and December 2009. Seeds of three promising farmer…
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July 25, 2019 0

Effects of Processing on Proximate Composition of Hibiscus rosa-sinensis Leaf

Leaves of Hibiscus rosa-sinensis are processed using different methods depending on the intended application. Using three different processing methods, we investigated the effects of processing on the proximate constitution of the leaf. Result demonstrated that the fresh raw leaf had moisture content of 82.30 ± 0.42%, which were significantly (p<0.05) reduced by drying but not…
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July 24, 2019 0

A Review on Gongronema latifolium, an Extremely Useful Plant with Great Prospects

Gongronema latifolium is a plant that has a wide range of nutritional and ethnomedical uses in different tropical African communities. Scientific reports on the chemical composition and bioactivity (anti-inflammatory, antimicrobial, antidiabetic, antioxidant, anticancer and allelopathic properties) of the plant material by different authors are discussed in this review. Future prospects of the plant extracts in…
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July 24, 2019 0

Isolation, Identification and Pathogenicity of Fungal Organisms Causing Postharvest Spoilage of Tomato Fruits during Storage

Tomato is one of the most widely grown and extensively consumed horticultural crops in the world. Isolation, identification and pathogenicity of fungal organisms causing postharvest spoilage of tomato fruits during storage was carried out. Tomato fruits showing symptoms of rot were collected from the store house. Small sizes were cut and surface sterilized in 1%…
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July 24, 2019 0