The Selective Advantages of Anthocyanins in Developing Leaves of Mango and Cacao

Althought he developingl eaves of mango and cacao containa ppreciablec oncentrationosf anthocyaninns ot presenti n mature leaves,t hesec ompoundsa re a smallp roportiono f the totalp henolicc oncentrationF.o r thisa nd otherr easonsa nthocyanindso not seem to be importantin the developingl eaves as: (1) a screena gainstu ltravioletr adiation;( 2) a mechanismf ore levatingl eaf temperature(;3 ) a means of defenseo r aposematicc olorationa gainsth erbivorya;n d (4) a part of any postulatedp hysiological mechanism,a s photosynthesiAs.n thocyanico lorationm ay be a by-producto f the metabolismo f otherf lavonoidc ompoundsi n theser apidlyg rowingo rgans.

Contracted School Food Service: Advantages, Disadvantages, and Political Concerns

Schools have evolved to be providers of education as well as suppliers of ancillary services to the population that they serve. This article examines one of these ancillary services, food service, in order to provide some awareness of the political aspects of the decision-making process in choosing whether or not to contract this service, as well as the pros and cons of the situation.