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A comparative histochemical study of plant polyphenols in southern African grasses
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: Pascale Chesselet --- , Republic of South Africa MaureenM. Wolfson --- , Republic of South Africa R.P. Ellis --- , Republic of South AfricaRecent anatomical studies have shown that tannin‐like substances (TLS) occur in the epidermal cells of a number of southern African tropical grasses, and the presence of condensed tannins in grasses has been confirmed by chemical analyses. A number of species... -
Anthocyanidin separation in exocarps of ‘Mauritius’ litchi (Litchi chinensis Sonn.) following methods to improve rind colour
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: C. Kaiser --- Department of Horticultural Science, South Africa J. Levin --- Department of Biostatistics, South Africa B.N. Wolstenholme --- Department of Horticultural Science, South AfricaLitchi or lychee (Litchi chinensis Sonn.) fruit rinds are red due to the presence of water-soluble, vacuole-bound anthocyanin pigments. After harvest, these pigments decompose rapidly unless treated. Treatment with steam (95°C) for two seconds, followed by subsequent immersion in a... -
Proanthocyanadin (condensed tannin) content of Brachystegia spiciformis browse harvested at different stages of growth from three sites in Zimbabwe
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: JJ Baloyi T Acamovic NT Ngongoni H HamudikuwandaThe extractable and insoluble (bound to protein or neutral detergent fibre [NDF] proanthocyanadin (PA) of the tree species Brachystegia spiciformis (Musasa) harvested at different stages of growth from three sites with different soil types in Zimbabwe was analysed by the...